Car Resale Value Calculator

Car Resale Value Calculator: Estimate Your Vehicle's Worth :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; padding-top: 20px; padding-bottom: 40px; } .container { width: 100%; max-width: 960px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; margin-bottom: 10px; } h2 { font-size: 1.8em; margin-top: 30px; } h3 { font-size: 1.4em; margin-top: 25px; } .calculator-section { margin-bottom: 40px; padding: 30px; border: 1px solid var(–border-color); 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Car Resale Value Calculator

Estimate your car's current market value accurately.

Car Resale Value Calculator

Enter the price you originally paid for the car.
Enter the year you bought the car.
Enter the current year.
Enter the total miles driven.
Excellent (Like new, minimal wear) Good (Minor wear, well-maintained) Fair (Visible wear, needs some repairs) Poor (Significant wear, major repairs needed)
Select the overall condition of your car.
Add value for significant upgrades (e.g., new engine, premium sound system).

Your Estimated Resale Value

$0
$0

Depreciation

$0

Mileage Adjustment

$0

Condition Adjustment

Formula Used:

Estimated Resale Value = (Original Purchase Price + Features Value) * (1 – Depreciation Rate) + Mileage Adjustment + Condition Adjustment

Depreciation Rate is calculated based on the age of the car. Mileage and condition provide further adjustments.

Value Over Time Projection

Projected resale value based on age and typical depreciation.

Key Factors Table

Factor Impact on Resale Value Description
Age Negative Older cars generally depreciate more.
Mileage Negative Higher mileage indicates more wear and tear.
Condition Positive/Negative Excellent condition increases value; poor condition decreases it.
Make & Model Variable Some brands and models hold their value better.
Maintenance History Positive A well-documented service history boosts confidence and value.
Market Demand Variable Popular models in high demand will fetch higher prices.
Features & Upgrades Positive Desirable additions can increase the car's appeal.

What is a Car Resale Value Calculator?

A car resale value calculator is a powerful online tool designed to help vehicle owners, potential buyers, and dealerships estimate the current market worth of a used car. It takes into account various critical factors that influence a vehicle's depreciation and overall value. Instead of relying on guesswork or outdated pricing guides, this calculator provides a data-driven estimate, making the process of selling or buying a used car more transparent and informed. It's an essential resource for anyone looking to understand the financial implications of owning a vehicle over time.

Who Should Use a Car Resale Value Calculator?

Several groups can benefit significantly from using a car resale value calculator:

  • Private Sellers: To set a competitive and realistic asking price for their vehicle, maximizing their return on investment when selling privately.
  • Potential Buyers: To determine if a used car is priced fairly in the market and to negotiate a better deal.
  • Dealerships: To quickly assess trade-in values and set competitive pricing for their used car inventory.
  • Leasing Customers: To understand the residual value of a leased vehicle, which impacts monthly payments.
  • Financial Planners: To track the depreciation of a significant asset like a car for personal finance management.

Common Misconceptions About Car Resale Value

Several myths surround car resale value. One common misconception is that a car's value is solely determined by its age and original purchase price. In reality, factors like mileage, condition, maintenance history, and market demand play equally crucial roles. Another myth is that all cars depreciate at the same rate; however, different makes, models, and even specific trims can have vastly different depreciation curves. Finally, some believe that only major repairs affect value, overlooking how consistent maintenance and minor cosmetic issues can significantly impact perceived worth.

Car Resale Value Calculator Formula and Mathematical Explanation

The core of a car resale value calculator lies in its formula, which aims to approximate the current market value by adjusting the initial cost based on several depreciation and value-enhancing factors. While specific algorithms vary, a common approach involves the following components:

Step-by-Step Derivation

  1. Base Value Calculation: Start with the original purchase price and add any value from significant upgrades or features.
  2. Depreciation Calculation: Determine the car's age (Current Year – Purchase Year). Apply a depreciation rate based on this age. This rate is often a percentage deducted annually, compounding over time.
  3. Mileage Adjustment: Compare the car's current mileage to the average expected mileage for its age. Adjust the value up or down based on this comparison.
  4. Condition Adjustment: Apply a further adjustment based on the vehicle's condition (e.g., excellent, good, fair, poor). This often involves predefined percentage adjustments or fixed value deductions/additions.
  5. Final Resale Value: Combine the depreciated base value with the mileage and condition adjustments to arrive at the estimated resale value.

Variable Explanations

Let's break down the key variables used in the calculation:

Variable Meaning Unit Typical Range
Original Purchase Price (OPP) The initial cost paid for the vehicle. Currency (e.g., USD) $5,000 – $100,000+
Purchase Year (PY) The calendar year the vehicle was acquired. Year e.g., 2015 – 2023
Current Year (CY) The present calendar year. Year e.g., 2024
Current Mileage (CM) The total distance the vehicle has been driven. Miles (or Kilometers) 0 – 300,000+
Vehicle Condition (VC) Subjective assessment of the car's physical state. Categorical (Excellent, Good, Fair, Poor) N/A
Features Value (FV) Added value from significant upgrades or desirable options. Currency (e.g., USD) $0 – $10,000+
Depreciation Rate (DR) Percentage of value lost per year due to age. % per year 5% – 25% (varies greatly)
Average Annual Mileage (AAM) Typical mileage driven per year for a vehicle of its age. Miles per year 10,000 – 15,000

Mathematical Formula Example

A simplified representation:

Car Age = CY - PY

Base Value = OPP + FV

Depreciation Factor = (1 - DR) ^ Car Age

Value After Depreciation = Base Value * Depreciation Factor

Mileage Adjustment = (CM - (Car Age * AAM)) * Mileage Penalty/Bonus Factor

Condition Adjustment = Value After Depreciation * Condition Factor (based on VC)

Estimated Resale Value = Value After Depreciation + Mileage Adjustment + Condition Adjustment

Note: The Mileage Penalty/Bonus Factor and Condition Factor are complex and often proprietary, derived from market data.

Practical Examples (Real-World Use Cases)

Example 1: Selling a Well-Maintained Sedan

Sarah is looking to sell her 3-year-old sedan. She bought it new for $28,000 in 2021. It's currently 2024, and the car has 35,000 miles. She's kept it in excellent condition with regular maintenance and has added a premium sound system worth $1,000.

  • Inputs:
  • Original Purchase Price: $28,000
  • Purchase Year: 2021
  • Current Year: 2024
  • Current Mileage: 35,000 miles
  • Vehicle Condition: Excellent
  • Features Value: $1,000

Using the calculator, Sarah finds:

  • Estimated Resale Value: $21,500
  • Depreciation: $7,400 (approx. 26% of initial value)
  • Mileage Adjustment: +$500 (slightly below average mileage for its age)
  • Condition Adjustment: +$1,100 (premium for excellent condition and features)

Interpretation: The calculator suggests Sarah can list her car for around $21,500. The positive adjustments for mileage and condition reflect her diligent care, helping it retain value better than average.

Example 2: Trading In an Older SUV

Mark wants to trade in his 7-year-old SUV. He purchased it in 2017 for $35,000. The current year is 2024, and the SUV has accumulated 110,000 miles. It has some minor cosmetic wear and tear but is mechanically sound. He considers its condition 'Good'.

  • Inputs:
  • Original Purchase Price: $35,000
  • Purchase Year: 2017
  • Current Year: 2024
  • Current Mileage: 110,000 miles
  • Vehicle Condition: Good
  • Features Value: $0

The calculator estimates:

  • Estimated Resale Value: $10,200
  • Depreciation: $20,300 (significant due to age)
  • Mileage Adjustment: -$800 (above average mileage)
  • Condition Adjustment: -$700 (slight deduction for 'Good' condition vs. 'Excellent')

Interpretation: Mark's SUV has undergone substantial depreciation. The calculator indicates a resale value of approximately $10,200, factoring in the higher mileage and standard wear for its age. This gives him a realistic expectation for his trade-in offer.

How to Use This Car Resale Value Calculator

Using our car resale value calculator is straightforward. Follow these steps for an accurate estimate:

  1. Enter Purchase Price: Input the exact amount you paid for the car when it was new or purchased.
  2. Specify Purchase Year: Enter the year you bought the vehicle.
  3. Set Current Year: Ensure the current year is correctly entered (it often defaults to the present year).
  4. Input Current Mileage: Provide the total mileage shown on the odometer.
  5. Select Vehicle Condition: Choose the option that best describes your car's overall state – from 'Excellent' to 'Poor'.
  6. Add Features Value (Optional): If you've made significant upgrades (e.g., new engine, high-end stereo, custom wheels), enter their estimated added value.
  7. Click Calculate: Press the "Calculate Value" button.

How to Read Results

The calculator will display:

  • Primary Result: Your car's estimated resale value, highlighted prominently.
  • Intermediate Values: Key figures like total depreciation, mileage adjustment, and condition adjustment. These help you understand how each factor impacts the final value.
  • Formula Explanation: A clear breakdown of the calculation method used.

Decision-Making Guidance

Use the estimated resale value as a starting point for pricing your car. Compare it with listings for similar vehicles in your area. If selling, consider if the price aligns with your expectations. If buying, use it to gauge if the asking price is fair. Remember that this is an estimate; actual sale prices can vary based on negotiation, specific market conditions, and buyer interest.

Key Factors That Affect Car Resale Value Results

Several elements significantly influence the output of a car resale value calculator and the actual market value of a vehicle. Understanding these factors helps in interpreting the results and making informed decisions:

  1. Age and Depreciation Rate: Cars are depreciating assets. The rate at which they lose value is influenced by make, model, and market trends. Newer cars depreciate faster initially, while older cars may depreciate slower but eventually reach a point where value stabilizes or even increases for classics. The calculator uses an average depreciation rate, but specific models might deviate.
  2. Mileage: Higher mileage generally correlates with increased wear and tear on mechanical components, leading to a lower resale value. The calculator adjusts based on whether mileage is above or below average for the car's age. Extremely low mileage for an older car might also require specific adjustments as components can degrade from disuse.
  3. Vehicle Condition: This is a crucial, albeit subjective, factor. A car in excellent mechanical and cosmetic condition commands a higher price. Regular maintenance, a clean interior, a good paint job, and functional electronics all contribute positively. Conversely, rust, dents, interior damage, or mechanical issues significantly reduce value.
  4. Make, Model, and Trim Level: Brand reputation, perceived reliability, fuel efficiency, and desirability of a specific model heavily influence resale value. Some brands (e.g., Toyota, Honda) are known for holding their value exceptionally well. Higher trim levels or special editions often retain more value than base models.
  5. Maintenance History and Records: A documented history of regular servicing and timely repairs provides buyers with confidence in the vehicle's mechanical integrity. This can significantly boost resale value compared to a car with unknown maintenance history. A car maintenance log is invaluable here.
  6. Market Demand and Economic Conditions: The current demand for specific types of vehicles (e.g., SUVs vs. sedans, electric vs. gasoline) plays a major role. Economic factors like fuel prices, interest rates, and overall consumer confidence also impact the used car market. A strong market can inflate prices, while a weak one can depress them.
  7. Accident History and Title Status: A clean title and no history of major accidents are paramount. Vehicles with salvage, flood, or major accident titles are worth significantly less. The calculator assumes a clean history, but a vehicle history report (like CarFax or AutoCheck) is essential for buyers.
  8. Location: Resale values can vary geographically due to regional demand, local economic conditions, and even climate (e.g., rust issues in snowy areas).

Frequently Asked Questions (FAQ)

Q1: How accurate is a car resale value calculator?

Car resale value calculators provide estimates based on general market data and algorithms. While they offer a good starting point, actual sale prices can vary. Factors like specific buyer interest, negotiation skills, and unique vehicle conditions can lead to prices higher or lower than the estimate. For a precise valuation, consider professional appraisals or checking multiple sources.

Q2: Does the calculator account for future maintenance costs?

This calculator primarily focuses on the current market value based on depreciation, mileage, and condition. It doesn't directly predict or factor in future maintenance costs. However, a car's condition and mileage, which are factored in, are indicators of potential future expenses. A well-maintained car (reflected in 'Excellent' or 'Good' condition) is likely to incur lower immediate maintenance costs.

Q3: What is the average depreciation rate for a car?

Depreciation varies significantly by make and model. However, a common rule of thumb is that a new car loses 15-25% of its value in the first year and continues to depreciate by 10-15% annually for the next few years. After about 5 years, the depreciation rate typically slows down. Our calculator uses a dynamic rate based on the car's age.

Q4: How much does mileage affect resale value?

Mileage is a significant factor. The average driver covers about 12,000-15,000 miles per year. Cars with mileage significantly above this average will typically see a reduction in value, while those with lower mileage might command a premium. The calculator adjusts for this difference relative to the car's age.

Q5: Can I use this calculator for classic or vintage cars?

This calculator is primarily designed for modern used cars (typically less than 15-20 years old). Classic and vintage cars have a different valuation model based on rarity, historical significance, condition, and collector demand, which this calculator does not account for. For such vehicles, specialized appraisal services are recommended.

Q6: What if my car has modifications?

The calculator includes an input for "Optional Features/Upgrades Value." You can add value for desirable, professionally installed modifications like premium sound systems, upgraded wheels, or performance enhancements. However, controversial or poorly executed modifications can actually decrease value. It's best to be conservative when estimating added value.

Q7: How does 'Condition' impact the value?

Condition is critical. 'Excellent' implies near-perfect state with minimal wear, commanding a premium. 'Good' suggests normal wear for its age. 'Fair' indicates noticeable wear or minor issues needing attention, reducing value. 'Poor' suggests significant wear, damage, or needed repairs, leading to a substantial value reduction. The calculator applies percentage adjustments based on these categories.

Q8: Should I use the calculator's estimate as my final selling price?

The calculator provides a strong estimate, but it's a starting point. Consider your local market conditions, the urgency of your sale, and the specific appeal of your vehicle. You might price slightly higher to allow for negotiation or slightly lower for a quicker sale. Always research comparable listings in your area for the most accurate pricing strategy.

Related Tools and Internal Resources

var chartInstance = null; function getElement(id) { return document.getElementById(id); } function validateInput(value, id, min, max, message) { var errorElement = getElement(id + 'Error'); if (value === ") { errorElement.textContent = 'This field is required.'; return false; } var numValue = parseFloat(value); if (isNaN(numValue)) { errorElement.textContent = 'Please enter a valid number.'; return false; } if (min !== null && numValue max) { errorElement.textContent = message || 'Value cannot exceed ' + max + '.'; return false; } errorElement.textContent = "; return true; } function calculateResaleValue() { var purchasePrice = getElement('purchasePrice').value; var purchaseYear = getElement('purchaseYear').value; var currentYear = getElement('currentYear').value; var mileage = getElement('mileage').value; var condition = getElement('condition').value; var features = getElement('features').value; var errors = 0; if (!validateInput(purchasePrice, 'purchasePrice', 0, null, 'Purchase price cannot be negative.')) errors++; if (!validateInput(purchaseYear, 'purchaseYear', 1900, new Date().getFullYear(), 'Enter a valid purchase year.')) errors++; if (!validateInput(currentYear, 'currentYear', 1900, new Date().getFullYear(), 'Enter a valid current year.')) errors++; if (!validateInput(mileage, 'mileage', 0, null, 'Mileage cannot be negative.')) errors++; if (!validateInput(features, 'features', 0, null, 'Features value cannot be negative.')) errors++; var carAge = parseInt(currentYear) – parseInt(purchaseYear); if (carAge 0) { resetResults(); return; } var numPurchasePrice = parseFloat(purchasePrice); var numFeatures = parseFloat(features); var numMileage = parseFloat(mileage); // Base depreciation rate factors (can be adjusted) var baseDepreciationRate = 0.15; // 15% per year initially var depreciationRatePerYear = 0.02; // Additional 2% per year var maxDepreciationRate = 0.70; // Cap depreciation at 70% // Calculate depreciation factor based on age var effectiveDepreciationRate = Math.min(baseDepreciationRate + (carAge * depreciationRatePerYear), maxDepreciationRate); var depreciationFactor = Math.pow(1 – effectiveDepreciationRate, carAge); var baseValue = numPurchasePrice + numFeatures; var valueAfterDepreciation = baseValue * depreciationFactor; // Mileage adjustment var avgAnnualMileage = 12000; var expectedMileage = carAge * avgAnnualMileage; var mileageDifference = numMileage – expectedMileage; var mileageAdjustmentFactor = 0.0001; // $0.0001 per mile difference var mileageAdjustment = mileageDifference * mileageAdjustmentFactor * numPurchasePrice; // Scale adjustment by original price // Condition adjustment var conditionAdjustmentValue = 0; switch (condition) { case 'excellent': conditionAdjustmentValue = valueAfterDepreciation * 0.08; // +8% break; case 'good': conditionAdjustmentValue = valueAfterDepreciation * 0.03; // +3% break; case 'fair': conditionAdjustmentValue = valueAfterDepreciation * -0.05; // -5% break; case 'poor': conditionAdjustmentValue = valueAfterDepreciation * -0.15; // -15% break; } var estimatedResaleValue = valueAfterDepreciation + mileageAdjustment + conditionAdjustmentValue; // Ensure resale value doesn't go below a minimum threshold (e.g., 10% of original price or a fixed amount) var minResaleValue = Math.max(numPurchasePrice * 0.10, 1000); estimatedResaleValue = Math.max(estimatedResaleValue, minResaleValue); // Calculate intermediate results for display var totalDepreciation = numPurchasePrice – (valueAfterDepreciation * (1 – (conditionAdjustmentValue / valueAfterDepreciation))); // Approximate depreciation from original price var finalDepreciation = numPurchasePrice – estimatedResaleValue; // Total value lost getElement('primaryResult').textContent = '$' + estimatedResaleValue.toFixed(0); getElement('depreciationValue').textContent = '$' + finalDepreciation.toFixed(0); getElement('mileageAdjustment').textContent = '$' + mileageAdjustment.toFixed(0); getElement('conditionAdjustment').textContent = '$' + conditionAdjustmentValue.toFixed(0); updateChart(carAge, estimatedResaleValue, numPurchasePrice, valueAfterDepreciation); } function resetResults() { getElement('primaryResult').textContent = '$0'; getElement('depreciationValue').textContent = '$0'; getElement('mileageAdjustment').textContent = '$0'; getElement('conditionAdjustment').textContent = '$0'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var ctx = getElement('resaleValueChart').getContext('2d'); ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height); } function resetCalculator() { getElement('purchasePrice').value = '25000'; getElement('purchaseYear').value = '2020'; getElement('currentYear').value = new Date().getFullYear().toString(); getElement('mileage').value = '50000'; getElement('condition').value = 'good'; getElement('features').value = '500'; // Clear errors var errorElements = document.querySelectorAll('.error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].textContent = ''; } calculateResaleValue(); } function copyResults() { var primaryResult = getElement('primaryResult').textContent; var depreciation = getElement('depreciationValue').textContent; var mileageAdj = getElement('mileageAdjustment').textContent; var conditionAdj = getElement('conditionAdjustment').textContent; var purchasePrice = getElement('purchasePrice').value; var purchaseYear = getElement('purchaseYear').value; var currentYear = getElement('currentYear').value; var mileage = getElement('mileage').value; var condition = getElement('condition').value; var features = getElement('features').value; var assumptions = `Assumptions:\n` + ` Original Purchase Price: $${purchasePrice}\n` + ` Purchase Year: ${purchaseYear}\n` + ` Current Year: ${currentYear}\n` + ` Current Mileage: ${mileage}\n` + ` Vehicle Condition: ${condition}\n` + ` Features Value: $${features}`; var textToCopy = `— Car Resale Value Estimate —\n` + `Estimated Value: ${primaryResult}\n\n` + `Key Figures:\n` + ` Total Depreciation: ${depreciation}\n` + ` Mileage Adjustment: ${mileageAdj}\n` + ` Condition Adjustment: ${conditionAdj}\n\n` + `${assumptions}`; navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); alert('Failed to copy results. Please copy manually.'); }); } function updateChart(carAge, estimatedValue, originalPrice, valueAfterDepreciation) { var canvas = getElement('resaleValueChart'); var ctx = canvas.getContext('2d'); if (chartInstance) { chartInstance.destroy(); } var years = []; var projectedValues = []; var baseDepreciatedValues = []; // Value before mileage/condition adjustments var avgAnnualMileage = 12000; var baseDepreciationRate = 0.15; var depreciationRatePerYear = 0.02; var maxDepreciationRate = 0.70; for (var i = 0; i <= carAge + 5; i++) { // Project 5 years beyond current age var currentProjectedAge = i; var projectedEffectiveDepreciationRate = Math.min(baseDepreciationRate + (currentProjectedAge * depreciationRatePerYear), maxDepreciationRate); var projectedDepreciationFactor = Math.pow(1 – projectedEffectiveDepreciationRate, currentProjectedAge); var projectedBaseValue = originalPrice * projectedDepreciationFactor; var projectedExpectedMileage = currentProjectedAge * avgAnnualMileage; var projectedMileageDifference = projectedExpectedMileage – projectedExpectedMileage; // Assuming average mileage for projection var projectedMileageAdjustment = projectedMileageDifference * (originalPrice * 0.0001); // Use a neutral condition for projection (e.g., 'good') var projectedConditionAdjustment = projectedBaseValue * 0.03; var projectedResaleValue = projectedBaseValue + projectedMileageAdjustment + projectedConditionAdjustment; projectedResaleValue = Math.max(projectedResaleValue, originalPrice * 0.10); // Minimum value years.push(currentProjectedAge); projectedValues.push(projectedResaleValue); baseDepreciatedValues.push(projectedBaseValue); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: years.map(function(year) { return 'Year ' + year; }), datasets: [{ label: 'Estimated Resale Value', data: projectedValues, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.1 }, { label: 'Base Depreciation Value', data: baseDepreciatedValues, borderColor: 'var(–success-color)', borderDash: [5, 5], backgroundColor: 'rgba(40, 167, 69, 0.05)', fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return '$' + value.toLocaleString(); } } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += new Intl.NumberFormat('en-US', { style: 'currency', currency: 'USD' }).format(context.parsed.y); } return label; } } } } } }); } function toggleFaq(element) { var faqItem = element.closest('.faq-item'); faqItem.classList.toggle('open'); var answer = faqItem.querySelector('.answer'); if (faqItem.classList.contains('open')) { answer.style.display = 'block'; } else { answer.style.display = 'none'; } } // Initial calculation on load document.addEventListener('DOMContentLoaded', function() { resetCalculator(); });

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