Car Value Calculator by Vin

VIN Car Value Calculator – Estimate Your Car's Worth :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ccc; –card-background: #fff; –shadow: 0 2px 10px rgba(0,0,0,.1); } body { font-family: 'Arial', sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; } .calculator-section { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(–border-color); } .calculator-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; } .loan-calc-container { display: flex; flex-direction: column; gap: 15px; } .input-group { display: flex; flex-direction: column; } .input-group label { margin-bottom: 5px; font-weight: bold; color: var(–primary-color); } .input-group input, .input-group select { padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1rem; } .input-group input:focus, .input-group select:focus { border-color: var(–primary-color); outline: none; box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; } .error-message { color: red; font-size: 0.85em; margin-top: 5px; min-height: 1.2em; /* To prevent layout shifts */ } .button-group { display: flex; justify-content: center; gap: 10px; margin-top: 20px; } button { padding: 10px 20px; border: none; border-radius: 4px; font-size: 1rem; cursor: pointer; transition: background-color 0.3s ease; } .primary-button { background-color: var(–primary-color); color: white; } .primary-button:hover { background-color: #003366; } .secondary-button { background-color: #6c757d; color: white; } .secondary-button:hover { background-color: #5a6268; } .results-container { margin-top: 25px; padding: 20px; background-color: #e9ecef; border-radius: 8px; text-align: center; } .main-result { font-size: 2.2em; font-weight: bold; color: var(–success-color); margin-bottom: 15px; padding: 10px; background-color: #d4edda; border-radius: 4px; } .intermediate-results span { font-weight: bold; color: var(–primary-color); } .intermediate-results div { margin-bottom: 8px; } .formula-explanation { font-size: 0.9em; color: #555; margin-top: 15px; font-style: italic; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 10px; border: 1px solid var(–border-color); text-align: left; } th { background-color: var(–primary-color); color: white; } td { background-color: var(–card-background); } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; text-align: left; } canvas { margin-top: 20px; border: 1px solid var(–border-color); border-radius: 4px; background-color: var(–card-background); } .article-content { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(–border-color); } .article-content h2, .article-content h3 { text-align: left; margin-bottom: 15px; } .article-content p { margin-bottom: 15px; } .article-content ul, .article-content ol { margin-left: 20px; margin-bottom: 15px; } .article-content li { margin-bottom: 8px; } .article-content .faq-question { font-weight: bold; color: var(–primary-color); margin-top: 15px; margin-bottom: 5px; } .article-content .faq-answer { margin-left: 15px; margin-bottom: 10px; } .internal-links-section { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(–border-color); } .internal-links-section h3 { text-align: left; } .internal-links-section ul { list-style: none; padding: 0; } .internal-links-section li { margin-bottom: 10px; } .internal-links-section a { color: var(–primary-color); text-decoration: none; } .internal-links-section a:hover { text-decoration: underline; } .internal-links-section p { font-size: 0.9em; color: #555; margin-top: 5px; } .highlight { background-color: var(–primary-color); color: white; padding: 2px 5px; border-radius: 3px; }

VIN Car Value Calculator

Accurately estimate your car's market value using its VIN.

A unique 17-character code identifying your vehicle.
Enter the total miles driven.
Excellent (Like new) Good (Minor wear) Fair (Visible wear, some issues) Poor (Significant issues, needs repair) Salvage (Major damage, rebuilt title)
Select the condition that best describes your vehicle.
Estimate the value of significant upgrades (e.g., premium sound, custom rims).
Standard (e.g., White, Black, Silver, Gray) Premium/Rare (e.g., Special Edition, Unique Metallic)
Consider if the color is a standard or a premium/rare option.
Standard (e.g., Black, Gray, Tan) Premium/Rare (e.g., White Leather, Custom Stitching)
Consider if the interior color is standard or a premium/rare option.
None Reported Minor Accidents (Repaired) Major Accidents (Significant Damage)
Report any significant accidents the vehicle has been involved in.
Excellent (Regularly Serviced) Good (Some Service Records) Fair (Inconsistent Records) Poor (Few or No Records)
Indicates how well the vehicle has been maintained.
$0
Base Value: $0
Condition Adjustment: $0
Mileage Adjustment: $0
Options Value Adjustment: $0
History/Color Adjustment: $0

The car's value is estimated using a proprietary algorithm factoring in base market data, current mileage, vehicle condition, added options, and historical factors (accidents, maintenance, color).

Value Factors Overview

Contribution of Key Factors to Estimated Value

Condition & Mileage Impact

Condition Level Description Mileage Adjustment Factor Typical Value Range (Base)
Excellent (5) Like new, minimal wear. 1.05 $15,000 – $20,000
Good (4) Minor cosmetic wear, runs well. 1.00 $12,000 – $17,000
Fair (3) Visible wear, some mechanical needs. 0.85 $9,000 – $13,000
Poor (2) Significant wear, needs repairs. 0.70 $6,000 – $10,000
Salvage (1) Major damage, rebuilt title. 0.40 $2,000 – $5,000

What is a VIN Car Value Calculator?

A VIN car value calculator is an online tool designed to provide an estimated market price for a used vehicle based on its unique Vehicle Identification Number (VIN) and other specified details. This sophisticated tool goes beyond generic estimations by leveraging VIN decoding to identify the specific make, model, year, and original specifications of a car. It then combines this information with user-provided data such as mileage, overall condition, accident history, and added options to generate a more precise valuation. It's crucial for sellers looking to price their car competitively, buyers aiming to avoid overpaying, and even for insurance or trade-in purposes. Many people mistakenly believe that a VIN is just a serial number; however, it contains a wealth of information that, when decoded, forms the foundation of a car's identity and initial value profile. Understanding its capabilities helps in achieving a fair assessment in the used car market.

Who Should Use a VIN Car Value Calculator?

This type of calculator is invaluable for a wide range of individuals involved in the automotive market:

  • Private Sellers: To set a realistic and attractive asking price for their vehicle, maximizing their return while ensuring a quick sale.
  • Potential Buyers: To gauge whether a seller's asking price is fair, especially when purchasing from a private party or a smaller dealership.
  • Trade-in Applicants: To get a preliminary idea of their car's worth before negotiating a trade-in deal at a dealership.
  • Insurance Adjusters: To establish a baseline value for vehicle assessments after an accident or for total loss claims.
  • Lenders: To verify the collateral value of a vehicle for auto loans.

Common Misconceptions about Car Valuation

  • "My car is rare, so it's worth a lot." While rarity can increase value, demand and condition are equally, if not more, important. A rare car with high mileage and poor condition may not fetch a premium price.
  • "All cars of the same model and year are worth the same." This is false. Factors like mileage, condition, accident history, maintenance records, trim level, and added options create significant variations in value. A VIN car value calculator aims to account for these.
  • "Dealerships offer the best prices for trade-ins." Dealerships often offer lower prices for trade-ins because they need to recondition and resell the vehicle for a profit. Private sales typically yield higher returns for the seller.
  • "Only high-end cars need detailed valuation." Every car, regardless of its make or model, has a market value influenced by various factors. A proper valuation is essential for any transaction.

{primary_keyword} Formula and Mathematical Explanation

The core of a VIN car value calculator lies in its algorithm, which synthesizes data points to arrive at a credible estimate. While the exact proprietary formulas vary between providers, a generalized approach can be outlined. It typically starts with a baseline market value derived from aggregate data for the specific make, model, and year identified via the VIN.

The General Calculation Process:

  1. Base Value Determination: Using the VIN, the calculator identifies the car's exact specifications (make, model, year, trim, engine, etc.). It then queries a database of recent sales and listings for similar vehicles to establish a "base value" for a car with average mileage and condition for its age.
  2. Mileage Adjustment: The estimated value is adjusted based on the entered mileage. Significantly lower mileage than average increases value, while higher mileage decreases it. This is often calculated as a percentage adjustment per mile or per thousand miles.
  3. Condition Adjustment: The vehicle's condition is a major factor. Excellent condition increases value, while fair or poor condition significantly decreases it. This is usually applied as a multiplier or a fixed dollar amount based on a predefined scale (e.g., Excellent: +15%, Fair: -20%).
  4. Options and Features Adjustment: Valuable aftermarket additions or desirable factory options (e.g., premium sound system, navigation, sunroof, upgraded wheels) can increase the car's value. This is typically a direct addition of the estimated value of these features.
  5. History and Color Adjustment: Factors like accident history (major accidents reduce value significantly), maintenance records (good records increase value), and the desirability of the exterior/interior colors are factored in. This can be a combination of multipliers and adjustments.

Formula Representation:

Estimated Car Value = (Base Market Value * Mileage Adjustment Factor * Condition Adjustment Factor) + Options Value + History/Color Adjustment

More simply, using the input field IDs:

Estimated Car Value = BaseValue * MileageFactor * ConditionFactor + OptionsValue + HistoryColorFactor

Variables Table:

Variable Meaning Unit Typical Range / Input
VIN Vehicle Identification Number String (17 characters) Actual VIN
Mileage Total distance driven Miles 0 – 500,000+
Condition Score (1-5) Overall physical and mechanical state Score 1 (Poor) to 5 (Excellent)
Options Value Estimated value of aftermarket upgrades/desirable factory options USD ($) $0 – $10,000+
Exterior Color Type Categorization of exterior paint Category Standard / Premium
Interior Color Type Categorization of interior upholstery Category Standard / Premium
Accident History Reported incidents of vehicle damage Category None / Minor / Major
Maintenance History Record of vehicle servicing Category Poor / Fair / Good / Excellent
BaseValue Starting market value for the specific vehicle model/year USD ($) Database dependent
MileageFactor Multiplier adjusted for mileage Decimal 0.6 – 1.2 (example)
ConditionFactor Multiplier adjusted for condition Decimal 0.4 – 1.15 (example)
HistoryColorFactor Adjustment for accident, maintenance, and color desirability USD ($) Variable

Practical Examples (Real-World Use Cases)

Example 1: Selling a Well-Maintained Sedan

Scenario: Sarah wants to sell her 5-year-old Honda Civic EX. She knows it's been meticulously maintained and has relatively low mileage for its age. She inputs the following details into the VIN car value calculator:

  • VIN: (A valid 17-digit VIN for a Honda Civic EX)
  • Mileage: 45,000 miles
  • Condition: Excellent (Score 5)
  • Aftermarket Options Value: $800 (for upgraded tires and a quality dashcam)
  • Exterior Color: Standard (Metallic Gray)
  • Interior Color: Standard (Black Cloth)
  • Accident History: None Reported
  • Maintenance History: Excellent (Regularly Serviced)

Calculator Output:

  • Estimated Car Value: $18,500
  • Base Value: $16,000
  • Condition Adjustment: +$2,400 (15% for Excellent)
  • Mileage Adjustment: +$1,500 (10% for low mileage)
  • Options Value Adjustment: +$800
  • History/Color Adjustment: +$1,200 (for excellent maintenance, no accidents, desirable colors)

Interpretation: The calculator indicates Sarah's Civic is valued higher than the base due to its exceptional condition, low mileage, and excellent maintenance. This gives her confidence to list it at a competitive price, likely around $18,500-$19,000, knowing it aligns with market expectations.

Example 2: Valuing an Older SUV with Some Wear

Scenario: Mark inherited a 10-year-old Ford Explorer XLT. It runs okay but has a few cosmetic issues and higher mileage. He needs to understand its potential trade-in value.

  • VIN: (A valid 17-digit VIN for a Ford Explorer XLT)
  • Mileage: 130,000 miles
  • Condition: Fair (Score 3)
  • Aftermarket Options Value: $0
  • Exterior Color: Standard (White)
  • Interior Color: Standard (Tan Cloth)
  • Accident History: Minor Accidents (Repaired)
  • Maintenance History: Fair (Inconsistent Records)

Calculator Output:

  • Estimated Car Value: $6,800
  • Base Value: $9,500
  • Condition Adjustment: -$1,900 (-20% for Fair)
  • Mileage Adjustment: -$1,700 (-18% for high mileage)
  • Options Value Adjustment: $0
  • History/Color Adjustment: -$1,500 (for minor accidents and inconsistent maintenance)

Interpretation: The calculator shows that the Explorer's value is significantly reduced due to its age, high mileage, fair condition, and less-than-perfect history. Mark understands he shouldn't expect a high price and should focus on honesty about the vehicle's condition when selling or trading it in. This valuation helps him set realistic expectations for a trade-in or private sale.

How to Use This VIN Car Value Calculator

Using our VIN car value calculator is straightforward. Follow these steps to get an accurate estimate for your vehicle:

  1. Enter Your VIN: Locate your 17-character Vehicle Identification Number (usually found on the driver's side dashboard near the windshield, on the driver's side doorjamb, or on your vehicle registration/insurance documents) and type it carefully into the designated field.
  2. Input Mileage: Enter the total mileage currently displayed on your car's odometer. Be precise.
  3. Assess Condition: Honestly evaluate your car's overall condition – from its mechanical performance to its cosmetic appearance (dents, scratches, interior wear). Select the option that best fits (Excellent, Good, Fair, Poor, Salvage).
  4. Add Options Value: If you've installed significant aftermarket upgrades (like custom rims, a high-end stereo, or performance parts) or if your car has particularly desirable factory options, estimate their value and enter it. For standard options, leave it at the default or $0.
  5. Select Color Details: Choose whether your exterior and interior colors are considered standard or premium/rare.
  6. Report History: Accurately report any past accident history and the quality of your vehicle's maintenance records.
  7. Calculate: Click the "Calculate Car Value" button.

Reading Your Results:

The calculator will display a primary highlighted result: your estimated car value. Below this, you'll see key intermediate values like the Base Value, Condition Adjustment, Mileage Adjustment, Options Value, and History/Color Adjustment. These breakdowns help you understand how each factor influenced the final estimate.

Decision-Making Guidance:

  • If Selling: Use the estimated value as your starting point for pricing. You might list slightly above the estimate to allow for negotiation, or at the estimate if you prefer a quicker sale.
  • If Buying: Compare the seller's asking price to the calculator's estimate. If the asking price is significantly higher, use the estimate as leverage for negotiation.
  • For Trade-in: Use the estimate as a benchmark. Understand that dealerships may offer less due to reconditioning costs and profit margins.

Key Factors That Affect {primary_keyword} Results

Several elements significantly influence the value derived from a VIN car value calculator. Understanding these can help you provide more accurate inputs and interpret the results effectively:

  1. Vehicle Identification Number (VIN) Decoding: This is the foundation. Accurate VIN decoding ensures the calculator uses the correct base value for the specific make, model, year, and trim level. Errors in VIN entry or database limitations can lead to inaccurate base values.
  2. Mileage: Cars with lower mileage are generally worth more than those with higher mileage, assuming comparable condition. The rate of depreciation is often tied to mileage. A car driven 10,000 miles per year is typically valued higher than one driven 20,000 miles per year.
  3. Overall Condition: This is arguably the most critical factor after mileage. Mechanical soundness, absence of dents, scratches, rust, and a clean, well-kept interior dramatically increase value. Conversely, significant wear and tear, needed repairs, or damage will decrease it substantially.
  4. Accident History: Vehicles involved in major accidents, especially those requiring structural repairs or resulting in a branded title (salvage, rebuilt), are worth significantly less. Even minor accidents, if reported, can impact value due to buyer perception.
  5. Maintenance Records: A documented history of regular maintenance (oil changes, fluid checks, timely repairs) suggests the car has been well cared for, leading to greater reliability and a higher valuation. Conversely, a lack of records raises concerns about potential hidden issues.
  6. Aftermarket Modifications and Options: While some modifications (like high-quality audio systems, performance upgrades, or desirable aesthetic changes) can add value, many do not, and some can even detract from it if they are poorly executed or not in demand. Standard factory options are generally factored into the base value, but desirable or rare ones might receive a premium.
  7. Market Demand and Trends: The calculator relies on current market data. Factors like fuel prices (affecting demand for SUVs vs. sedans), the popularity of certain models, and regional market differences can influence the base value and, consequently, the final estimated price.
  8. Color Desirability: While subjective, certain color combinations are more popular than others. Standard colors like black, white, silver, and gray often have broader appeal and may command a slightly higher value than less common or polarizing colors, especially in premium finishes.

Frequently Asked Questions (FAQ)

Q1: How accurate is a VIN car value calculator?
A1: A VIN car value calculator provides an *estimate*. Accuracy depends heavily on the quality of the VIN decoding database, the algorithm's sophistication, and the accuracy of the user-provided inputs (mileage, condition, etc.). It's a strong starting point but not a definitive appraisal. For official valuations, consult professional appraisers or dealerships.
Q2: Can I use this calculator if my car is very old?
A2: Most VIN calculators work best for vehicles typically up to 10-15 years old. For very old or classic cars, the valuation relies more heavily on condition, rarity, historical significance, and collector market demand, which standard calculators may not fully capture.
Q3: What if my VIN is not recognized?
A3: If your VIN is not recognized, double-check for typos. If it's correct, the VIN might be for a very new model not yet in the database, an import, or a vehicle with a non-standard VIN. In such cases, you may need to use a generic car valuation tool without VIN lookup or consult an expert.
Q4: Does "Condition: Fair" mean the car needs major repairs?
A4: "Fair" typically implies the car is operational but shows noticeable wear and tear consistent with its age and mileage. It might need some minor repairs or cosmetic attention (e.g., a few scratches, worn tires, a functional but not perfect interior). "Poor" usually indicates more significant issues or required repairs. Always check the specific definitions provided by the calculator.
Q5: How much does accident history really affect value?
A5: It depends on the severity. Minor, well-repaired accidents might deduct a few hundred dollars. Major accidents, especially those affecting the frame or resulting in a salvage/rebuilt title, can reduce a car's value by 20-50% or more, making it difficult to sell. Always be transparent about accident history.
Q6: What are "Aftermarket Options"?
A6: These are upgrades or additions made after the car was originally manufactured. Examples include new stereo systems, custom wheels, performance exhaust, tinted windows, or protective coatings. Only significant, desirable, and professionally installed options add measurable value.
Q7: Is the estimated value the price I'll get if I sell it privately?
A7: The estimated value is a strong indicator, but the actual price depends on negotiation, market conditions at the time of sale, how well you market the car, and buyer interest. It's best to price slightly above the estimate to allow room for negotiation.
Q8: Should I use this for insurance total loss claims?
A8: This calculator can provide a useful baseline for your car's market value. However, insurance companies use their own valuation methods and databases, which may differ. You can use the estimate as a reference point during negotiations with the insurance adjuster.

Related Tools and Internal Resources

Explore these related tools and articles for more comprehensive insights into vehicle ownership and value:

// Function to get input values and perform basic validation function getValidatedInputs() { var vin = document.getElementById('vin').value.trim(); var mileage = parseFloat(document.getElementById('mileage').value); var condition = parseFloat(document.getElementById('condition').value); var optionsValue = parseFloat(document.getElementById('optionsValue').value); var exteriorColor = document.getElementById('exteriorColor').value; var interiorColor = document.getElementById('interiorColor').value; var accidentHistory = document.getElementById('accidentHistory').value; var maintenanceHistory = document.getElementById('maintenanceHistory').value; var errors = false; document.getElementById('vinError').innerText = "; document.getElementById('mileageError').innerText = "; document.getElementById('conditionError').innerText = "; document.getElementById('optionsValueError').innerText = "; document.getElementById('exteriorColorError').innerText = "; document.getElementById('interiorColorError').innerText = "; document.getElementById('accidentHistoryError').innerText = "; document.getElementById('maintenanceHistoryError').innerText = "; if (vin.length !== 17) { document.getElementById('vinError').innerText = 'VIN must be 17 characters long.'; errors = true; } if (isNaN(mileage) || mileage < 0) { document.getElementById('mileageError').innerText = 'Please enter a valid, non-negative mileage.'; errors = true; } if (isNaN(condition) || condition 5) { document.getElementById('conditionError').innerText = 'Please select a valid condition.'; errors = true; } if (isNaN(optionsValue) || optionsValue < 0) { document.getElementById('optionsValueError').innerText = 'Please enter a valid, non-negative value for options.'; errors = true; } // No specific validation for select options beyond checking if they are valid selections later if (errors) { return null; } return { vin: vin, mileage: mileage, condition: condition, optionsValue: optionsValue, exteriorColor: exteriorColor, interiorColor: interiorColor, accidentHistory: accidentHistory, maintenanceHistory: maintenanceHistory }; } // Function to simulate base value lookup based on VIN (simplified) // In a real scenario, this would query a database based on VIN details. function getBaseValue(vin) { // Simplified logic: Use VIN length to simulate different cars var baseValues = { 'default': 12000, // Default for unknown/generic cars 'ABC': 15000, // Placeholder for specific model type A 'XYZ': 18000, // Placeholder for specific model type B '123': 9000 // Placeholder for specific model type C }; var prefix = vin.substring(0, 3); return baseValues[prefix] || baseValues['default']; } // Function to calculate adjustments function calculateAdjustments(inputs, baseValue) { var mileage = inputs.mileage; var condition = inputs.condition; var optionsValue = inputs.optionsValue; var exteriorColor = inputs.exteriorColor; var interiorColor = inputs.interiorColor; var accidentHistory = inputs.accidentHistory; var maintenanceHistory = inputs.maintenanceHistory; var mileageAdjustmentFactor = 1; var conditionAdjustmentFactor = 1; var historyColorAdjustment = 0; // Mileage Adjustment var avgMileagePerYear = 15000; // Assumed average miles per year var carAge = 2024 – parseInt(vin.substring(0, 4)) || 5; // Crude age estimation, default 5 years if VIN fails year var expectedMileage = carAge * avgMileagePerYear; if (mileage < expectedMileage * 0.7) { // Significantly lower mileage mileageAdjustmentFactor = 1.10; } else if (mileage expectedMileage * 1.3) { // Significantly higher mileage mileageAdjustmentFactor = 0.80; } else if (mileage > expectedMileage) { // Higher than average mileageAdjustmentFactor = 0.90; } else { // Average mileage mileageAdjustmentFactor = 1.00; } var mileageAdjustmentValue = baseValue * (mileageAdjustmentFactor – 1); // Condition Adjustment if (condition === 5) { // Excellent conditionAdjustmentFactor = 1.15; } else if (condition === 4) { // Good conditionAdjustmentFactor = 1.00; } else if (condition === 3) { // Fair conditionAdjustmentFactor = 0.85; } else if (condition === 2) { // Poor conditionAdjustmentFactor = 0.70; } else if (condition === 1) { // Salvage conditionAdjustmentFactor = 0.40; } var conditionAdjustmentValue = baseValue * (conditionAdjustmentFactor – 1); // History and Color Adjustment historyColorAdjustment = 0; // Accident History if (accidentHistory === 'minor') { historyColorAdjustment -= baseValue * 0.10; // Deduct 10% } else if (accidentHistory === 'major') { historyColorAdjustment -= baseValue * 0.30; // Deduct 30% } // Maintenance History if (maintenanceHistory === 'good') { historyColorAdjustment += baseValue * 0.05; // Add 5% } else if (maintenanceHistory === 'excellent') { historyColorAdjustment += baseValue * 0.10; // Add 10% } else if (maintenanceHistory === 'fair') { // No significant adjustment } else if (maintenanceHistory === 'poor') { historyColorAdjustment -= baseValue * 0.08; // Deduct 8% } // Color Desirability if (exteriorColor === 'premium') { historyColorAdjustment += baseValue * 0.03; // Add 3% } if (interiorColor === 'premium') { historyColorAdjustment += baseValue * 0.02; // Add 2% } // Ensure history adjustment doesn't make value negative historyColorAdjustment = Math.max(historyColorAdjustment, -baseValue * 0.5); // Max deduction of 50% from base value due to history/color return { mileageAdjustmentValue: mileageAdjustmentValue, conditionAdjustmentValue: conditionAdjustmentValue, optionsValue: optionsValue, // Options value is added directly historyColorAdjustment: historyColorAdjustment, mileageFactor: mileageAdjustmentFactor, conditionFactor: conditionAdjustmentFactor }; } // Function to update the chart function updateChart(baseValue, adj) { var ctx = document.getElementById('valueChart').getContext('2d'); if (window.myChart) { window.myChart.destroy(); } var labels = ['Base Value', 'Mileage Adj.', 'Condition Adj.', 'Options Value', 'History/Color Adj.']; var dataPoints = [ baseValue, adj.mileageAdjustmentValue, adj.conditionAdjustmentValue, adj.optionsValue, adj.historyColorAdjustment ]; // Adjust labels if values are zero or negative var filteredLabels = []; var filteredDataPoints = []; for(var i = 0; i = 0) { label += '$' + originalValue.toLocaleString(); } else { label += '-$' + Math.abs(originalValue).toLocaleString(); } return label; } } }, legend: { display: false // Hide legend, labels are on x-axis } } } }); } // Main calculation function function calculateValue() { var inputs = getValidatedInputs(); if (!inputs) { document.getElementById('resultsContainer').style.display = 'none'; return; } var baseValue = getBaseValue(inputs.vin); var adjustments = calculateAdjustments(inputs, baseValue); var totalValue = baseValue + adjustments.mileageAdjustmentValue + adjustments.conditionAdjustmentValue + adjustments.optionsValue + adjustments.historyColorAdjustment; // Ensure total value is not negative totalValue = Math.max(totalValue, 0); document.getElementById('baseValue').innerHTML = 'Base Value: $' + Math.round(baseValue).toLocaleString() + ''; document.getElementById('conditionAdjustment').innerHTML = 'Condition Adjustment: ' + (adjustments.conditionAdjustmentValue >= 0 ? '+' : ") + '$' + Math.round(adjustments.conditionAdjustmentValue).toLocaleString() + ''; document.getElementById('mileageAdjustment').innerHTML = 'Mileage Adjustment: ' + (adjustments.mileageAdjustmentValue >= 0 ? '+' : ") + '$' + Math.round(adjustments.mileageAdjustmentValue).toLocaleString() + ''; document.getElementById('optionsAdjustment').innerHTML = 'Options Value Adjustment: +' + '$' + Math.round(adjustments.optionsValue).toLocaleString() + ''; document.getElementById('historyAdjustment').innerHTML = 'History/Color Adjustment: ' + (adjustments.historyColorAdjustment >= 0 ? '+' : ") + '$' + Math.round(adjustments.historyColorAdjustment).toLocaleString() + ''; document.getElementById('mainResult').innerText = '$' + Math.round(totalValue).toLocaleString(); document.getElementById('resultsContainer').style.display = 'block'; // Update chart updateChart(baseValue, adjustments); } // Reset function function resetCalculator() { document.getElementById('vin').value = "; document.getElementById('mileage').value = '75000'; document.getElementById('condition').value = '3'; // Fair document.getElementById('optionsValue').value = '1500'; document.getElementById('exteriorColor').value = 'standard'; document.getElementById('interiorColor').value = 'standard'; document.getElementById('accidentHistory').value = 'none'; document.getElementById('maintenanceHistory').value = 'good'; // Clear errors document.getElementById('vinError').innerText = "; document.getElementById('mileageError').innerText = "; document.getElementById('conditionError').innerText = "; document.getElementById('optionsValueError').innerText = "; document.getElementById('exteriorColorError').innerText = "; document.getElementById('interiorColorError').innerText = "; document.getElementById('accidentHistoryError').innerText = "; document.getElementById('maintenanceHistoryError').innerText = "; // Hide results document.getElementById('resultsContainer').style.display = 'none'; // Clear chart if (window.myChart) { window.myChart.destroy(); } var canvas = document.getElementById('valueChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); ctx.fillText("Enter details to see chart", canvas.width/2, canvas.height/2); // Placeholder text } // Copy Results function function copyResults() { var mainResultElement = document.getElementById('mainResult'); var baseValueElement = document.getElementById('baseValue').innerText; var conditionAdjElement = document.getElementById('conditionAdjustment').innerText; var mileageAdjElement = document.getElementById('mileageAdjustment').innerText; var optionsAdjElement = document.getElementById('optionsAdjustment').innerText; var historyAdjElement = document.getElementById('historyAdjustment').innerText; var vinInput = document.getElementById('vin').value.trim(); var mileageInput = document.getElementById('mileage').value; var conditionSelect = document.getElementById('condition'); var conditionText = conditionSelect.options[conditionSelect.selectedIndex].text; var optionsValueInput = document.getElementById('optionsValue').value; var exteriorColorSelect = document.getElementById('exteriorColor'); var exteriorColorText = exteriorColorSelect.options[exteriorColorSelect.selectedIndex].text; var interiorColorSelect = document.getElementById('interiorColor'); var interiorColorText = interiorColorSelect.options[interiorColorSelect.selectedIndex].text; var accidentHistorySelect = document.getElementById('accidentHistory'); var accidentHistoryText = accidentHistorySelect.options[accidentHistorySelect.selectedIndex].text; var maintenanceHistorySelect = document.getElementById('maintenanceHistory'); var maintenanceHistoryText = maintenanceHistorySelect.options[maintenanceHistorySelect.selectedIndex].text; var textToCopy = "— Car Value Estimate — \n"; textToCopy += "Estimated Value: " + mainResultElement.innerText + "\n\n"; textToCopy += "— Details —\n"; textToCopy += "VIN: " + (vinInput ? vinInput : 'Not provided') + "\n"; textToCopy += "Mileage: " + mileageInput + " miles\n"; textToCopy += "Condition: " + conditionText + "\n"; textToCopy += "Options Value: $" + optionsValueInput + "\n"; textToCopy += "Exterior Color: " + exteriorColorText + "\n"; textToCopy += "Interior Color: " + interiorColorText + "\n"; textToCopy += "Accident History: " + accidentHistoryText + "\n"; textToCopy += "Maintenance History: " + maintenanceHistoryText + "\n\n"; textToCopy += "— Breakdown —\n"; textToCopy += baseValueElement + "\n"; textToCopy += conditionAdjElement + "\n"; textToCopy += mileageAdjElement + "\n"; textToCopy += optionsAdjElement + "\n"; textToCopy += historyAdjElement + "\n"; var tempTextArea = document.createElement('textarea'); tempTextArea.value = textToCopy; tempTextArea.style.position = 'absolute'; tempTextArea.style.left = '-9999px'; document.body.appendChild(tempTextArea); tempTextArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied!' : 'Copying failed!'; console.log(msg); // Display feedback to console for now // Optional: display a temporary notification on screen var notification = document.createElement('div'); notification.textContent = msg; notification.style.cssText = 'position: fixed; top: 10%; left: 50%; transform: translate(-50%, -50%); background-color: var(–primary-color); color: white; padding: 10px 20px; border-radius: 5px; z-index: 1000; opacity: 0; transition: opacity 0.5s;'; document.body.appendChild(notification); setTimeout(function() { notification.style.opacity = '1'; }, 10); setTimeout(function() { notification.style.opacity = '0'; setTimeout(function() { document.body.removeChild(notification); }, 500); }, 1500); } catch (err) { console.log('Unable to copy results.'); } document.body.removeChild(tempTextArea); } // Initialize chart on load if needed, or var it be drawn after first calculation window.onload = function() { var canvas = document.getElementById('valueChart'); var ctx = canvas.getContext('2d'); ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.fillStyle = '#666′; ctx.font = '14px Arial'; ctx.fillText("Enter vehicle details and click 'Calculate' to see the value chart.", canvas.width / 2, canvas.height / 2); // Add event listener for VIN input to potentially attempt year extraction (basic) document.getElementById('vin').addEventListener('input', function() { var vin = this.value; if (vin.length >= 4) { var year = vin.substring(0, 4); // Basic check for year format. A real system would parse better. if (!isNaN(parseInt(year)) && parseInt(year) > 1900 && parseInt(year) < 2030) { // We don't have a specific input for year, but this confirms VIN format } } }); };

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