Car Calculator Value

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Car Value Calculator

Get a professional estimate of your car's current market value.

Calculate Your Car's Value

Enter the year the car was manufactured.
Enter the total mileage in kilometers or miles.
Excellent Good Fair Poor
Select the overall condition of the car.
Adding desirable features can increase value.

Estimated Car Value

$0
Base Value: $0
Mileage Adjustment: $0
Condition Adjustment: $0
Feature Adjustment: $0
Value is estimated based on a base depreciation curve adjusted for mileage, condition, and optional features.

Value Trend by Mileage

Estimated depreciation curve showing how car value decreases with increasing mileage.

Value Estimation Table

Mileage (km) Estimated Value Notes
10,000 $30,000 Excellent Condition
30,000 $27,000 Good Condition
60,000 $23,000 Fair Condition
100,000 $18,000 Poor Condition
Key mileage points and their impact on estimated car value.

Car Value Calculator: Understand Your Vehicle's Worth

This comprehensive guide will help you understand how to use our car value calculator and delve into the factors that influence your vehicle's worth. Get a realistic estimate today!

What is a Car Value Calculator?

A car value calculator is an online tool designed to provide an estimated market price for a used car. It takes into account various factors such as the make, model, year, mileage, condition, and features of the vehicle to generate a valuation. These calculators are essential for both buyers and sellers in the used car market to ensure fair pricing and informed decision-making. Sellers can use it to set a competitive asking price, while buyers can use it to determine if an offer is reasonable. It's a crucial step in the process of buying, selling, or trading in a vehicle.

Who should use it?

  • Individuals looking to sell their used car.
  • Potential car buyers researching fair prices.
  • People considering trading in their current vehicle.
  • Those who want to understand the depreciation of their asset.
  • Insurance adjusters or evaluators.

Common misconceptions:

  • Calculators give an exact price: They provide an estimate, not a guaranteed sale price. Market conditions, negotiation, and specific buyer interest play a role.
  • All cars depreciate the same: Different makes, models, and even color can affect depreciation rates.
  • Condition is subjective: While there's some subjectivity, standardized descriptions (excellent, good, fair, poor) help calculators account for it.
  • Features don't add much value: High-demand optional features can significantly boost a car's value.

Car Value Calculator Formula and Mathematical Explanation

The core of a car value calculator involves a depreciation model. While specific algorithms vary between calculators, a common approach combines a base depreciation formula with adjustments for key factors.

Step-by-step derivation:

  1. Base Depreciation Calculation: A starting point is established, often based on the original MSRP or average market price for that make/model/year. This base value then depreciates over time using a formula that reflects typical market depreciation curves. An exponential decay model is often used, where value decreases by a percentage each year or a fixed amount per year.
  2. Mileage Adjustment: The car's mileage is compared to an average mileage for its age. If mileage is lower than average, value increases; if higher, value decreases. A per-mile adjustment factor is applied.
  3. Condition Adjustment: The vehicle's condition (excellent, good, fair, poor) is assigned a multiplier or additive/subtractive value. Excellent condition adds value, while poor condition subtracts it significantly.
  4. Features Adjustment: Desirable optional features (e.g., premium audio, leather, advanced safety tech, sunroof) are identified and can add a percentage or fixed amount to the estimated value. Less desirable or outdated features might be ignored or slightly penalized.
  5. Market Factors (Optional but important): Some advanced calculators might factor in current market demand for specific models or general economic conditions, though this is less common in simple online tools.

Variables Explanation:

  • Base Value: The starting point, often derived from original price or industry data for the specific year, make, and model.
  • Age: The number of years since the car was manufactured.
  • Annual Depreciation Rate: The percentage the car's value is expected to decrease each year.
  • Mileage: The total distance the car has been driven.
  • Average Mileage per Year: A standard figure used for comparison (e.g., 15,000 km or 12,000 miles).
  • Mileage Adjustment Factor: A value applied per kilometer/mile above or below the average.
  • Condition Factor: A multiplier or adjustment based on the car's condition rating.
  • Feature Value: Added value for specific optional equipment.

Variables Table:

Variable Meaning Unit Typical Range
Car Make/Model/Year Specific identification of the vehicle. Text/Number N/A
Original MSRP / Base Price Manufacturer's Suggested Retail Price or average market price for new. Currency $15,000 – $100,000+
Age Years since manufacture. Years 0 – 20+
Annual Depreciation Rate Rate at which value declines yearly. % per year 5% – 25% (varies heavily)
Mileage Total distance driven. Kilometers / Miles 0 – 300,000+
Average Mileage per Year Standard mileage for comparison. Kilometers / Miles 15,000 km / 12,000 mi
Condition Rating Assessment of physical and mechanical state. Category (Excellent, Good, Fair, Poor) N/A
Added Features Value of optional equipment. Currency / % $0 – $5,000+

Practical Examples (Real-World Use Cases)

Example 1: Selling a Mid-Range Sedan

Inputs:

  • Make: Honda
  • Model: Civic
  • Year: 2019
  • Mileage: 45,000 km
  • Condition: Good
  • Features: Apple CarPlay, Backup Camera

Calculator Output (Hypothetical):

  • Estimated Value: $22,500
  • Base Value: $32,000 (Estimated for a 2019 Civic trim)
  • Mileage Adjustment: -$2,000 (Slightly above average for its age)
  • Condition Adjustment: -$3,500 (Good, not excellent)
  • Feature Adjustment: +$1,000 (Desirable tech features)

Financial Interpretation: The calculator suggests that this 2019 Honda Civic, given its mileage and condition, is worth around $22,500. The seller might list it slightly higher, around $23,500, expecting negotiation, or accept offers near $22,000. This estimate helps avoid overpricing or underselling.

Example 2: Buying a Used SUV

Inputs:

  • Make: Toyota
  • Model: RAV4
  • Year: 2021
  • Mileage: 25,000 miles
  • Condition: Excellent
  • Features: Leather Seats, Sunroof, Premium Sound System

Calculator Output (Hypothetical):

  • Estimated Value: $31,000
  • Base Value: $36,000 (Estimated for a 2021 RAV4 trim)
  • Mileage Adjustment: +$1,500 (Well below average for its age)
  • Condition Adjustment: +$2,000 (Excellent condition bonus)
  • Feature Adjustment: +$1,500 (Highly desirable features)

Financial Interpretation: For a buyer, this indicates that $31,000 is a strong estimated value for this specific RAV4. If the seller is asking $33,000, the buyer can use this estimate as a basis for negotiation, aiming for a price closer to the calculated value, perhaps around $31,500-$32,000, factoring in the premium features and excellent condition.

How to Use This Car Value Calculator

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

  1. Enter Vehicle Details: Accurately input the car's Make, Model, and Manufacturing Year. Be precise.
  2. Provide Mileage: Enter the total mileage. Ensure you use the correct unit (kilometers or miles) if specified by the calculator.
  3. Assess Condition: Honestly select the condition from the dropdown menu (Excellent, Good, Fair, Poor). This significantly impacts the value. Consider mechanical state, body damage, interior wear, and maintenance history.
  4. List Optional Features: In the designated field, list any significant optional features that enhance the car's appeal and functionality (e.g., navigation system, alloy wheels, premium trim, advanced safety packages). Separate multiple features with commas.
  5. Click 'Calculate Value': Once all fields are filled, click the button.

How to read results:

  • Estimated Car Value: This is the primary result – your car's approximate market value.
  • Intermediate Values: These show how specific factors (Base Value, Mileage Adjustment, Condition Adjustment, Feature Adjustment) contribute to the final estimate. Understanding these can help you identify areas where your car might be valued higher or lower than average.
  • Table & Chart: The table and chart provide context on how mileage and condition typically affect a car's value over time.

Decision-making guidance:

  • If Selling: Use the estimated value as your target price. You might list slightly higher to allow for negotiation, or accept offers close to the estimate if you need a quick 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. If it's lower, investigate why (e.g., poor condition, high mileage, salvage title).
  • Trade-in Value: Trade-in values are typically lower than private sale values. Use this estimate as a benchmark and expect slightly less from a dealership.

Key Factors That Affect Car Value Results

Several elements critically influence the estimated car value. Understanding these can help you provide more accurate inputs and interpret the results better:

  1. Make and Model Reputation: Some brands and models hold their value better than others due to reliability, demand, and desirability (e.g., Toyota, Honda often retain value well).
  2. Vehicle Age and Depreciation Curve: Cars depreciate fastest in their first few years. The specific depreciation rate for a make/model is crucial. Newer cars lose value more slowly than older ones.
  3. Mileage: Higher mileage generally indicates more wear and tear, significantly reducing value. Conversely, exceptionally low mileage for the car's age can increase its worth. A common benchmark is 15,000 km (or 12,000 miles) per year.
  4. Overall Condition: This includes mechanical health (engine, transmission, brakes), exterior (paint, dents, rust), and interior (upholstery, electronics, cleanliness). Excellent condition commands a premium; poor condition drastically lowers value. Regular maintenance is key.
  5. Optional Features and Trim Level: Higher trim levels and desirable features like leather seats, sunroofs, advanced infotainment systems (Apple CarPlay, Android Auto), navigation, and driver-assistance technologies can add significant value compared to base models.
  6. Market Demand and Location: The current market demand for specific types of vehicles (e.g., SUVs vs. sedans, fuel-efficient cars in high-gas-price areas) impacts value. Geographic location can also play a role due to regional preferences or economic factors.
  7. Accident History and Title Status: A history of major accidents, flood damage, or a branded title (salvage, rebuilt) severely diminishes a car's value, often making it difficult to sell. Clean title vehicles are always worth more.
  8. Modifications: While some modifications might appeal to niche markets, most aftermarket changes (performance upgrades, body kits, loud exhausts) can decrease a car's value for the general market, as they may not align with buyer preferences or could have been poorly installed.

Frequently Asked Questions (FAQ)

Q1: How accurate is a car value calculator?

A: Car value calculators provide estimates based on data and algorithms. Accuracy depends on the quality of the data and the sophistication of the algorithm. They are excellent tools for getting a general idea but should not be considered a definitive price.

Q2: Does the calculator account for rare or classic cars?

A: Most standard online calculators are designed for typical used cars (under 20-25 years old). Rare, classic, or collector cars have unique valuation factors (historical significance, rarity, condition, provenance) that require specialized appraisal services, not simple calculators.

Q3: What's the difference between private party value and trade-in value?

A: Private party value is what you might get selling directly to another individual. Trade-in value is what a dealer offers when you use your old car as part of the payment for a new one. Trade-in values are typically lower, reflecting the dealer's costs for reconditioning and profit margin.

Q4: How important is regular maintenance for car value?

A: Extremely important. A well-maintained car, evidenced by service records, will always command a higher value than one with neglected maintenance, even with similar mileage and age. It indicates reliability and fewer potential future repair costs.

Q5: Can I get a better value if I fix minor issues before selling?

A: It depends. For minor cosmetic issues (small scratches, worn floor mats) or inexpensive mechanical fixes, repairing them might increase the value enough to justify the cost. For major repairs, the cost often outweighs the added value, so it's best to sell "as-is" and adjust the price accordingly.

Q6: What if my car has modifications? How does that affect its value?

A: Most modifications, unless they are highly desirable and professionally installed (like premium audio or advanced safety tech), tend to decrease a car's value for the general market. Buyers often prefer stock vehicles. Use the 'features' input for desirable factory options, but be cautious valuing aftermarket parts.

Q7: Does the calculator consider the color of the car?

A: Standard calculators typically do not factor in color directly, as it's highly subjective and market-dependent. However, popular, neutral colors (white, black, silver, grey) tend to have broader appeal and may indirectly contribute to faster sales or slightly better perceived value compared to very niche or polarizing colors.

Q8: What is the impact of a branded title (e.g., salvage, rebuilt) on value?

A: A branded title significantly reduces a car's value, often by 20-50% or more, and can make it very difficult to sell or get insurance. Calculators typically don't handle branded titles; these require specialized professional appraisal.

var carValueChart = null; var chartContext = null; function getElement(id) { return document.getElementById(id); } function validateInput(inputId, errorId, min, max, isEmptyAllowed, errorMessage) { var input = getElement(inputId); var errorDiv = getElement(errorId); var value = input.value.trim(); if (value === "" && !isEmptyAllowed) { errorDiv.textContent = errorMessage || "This field cannot be empty."; return false; } if (value === "") { errorDiv.textContent = ""; return true; // Empty is allowed } var number = parseFloat(value); if (isNaN(number)) { errorDiv.textContent = "Please enter a valid number."; return false; } if (number < 0 && inputId !== "features") { // Allow empty string for features errorDiv.textContent = "Value cannot be negative."; return false; } if (min !== undefined && number max) { errorDiv.textContent = `Value cannot exceed ${max}.`; return false; } errorDiv.textContent = ""; return true; } function calculateCarValue() { var makeValid = validateInput('make', 'make-error', undefined, undefined, false, 'Car make is required.'); var modelValid = validateInput('model', 'model-error', undefined, undefined, false, 'Car model is required.'); var yearValid = validateInput('year', 'year-error', 1886, new Date().getFullYear(), false, 'Manufacturing year is required.'); var mileageValid = validateInput('mileage', 'mileage-error', 0, 500000, false, 'Mileage is required.'); if (!makeValid || !modelValid || !yearValid || !mileageValid) { return; } var make = getElement('make').value.toLowerCase(); var model = getElement('model').value.toLowerCase(); var year = parseInt(getElement('year').value); var mileage = parseInt(getElement('mileage').value); var condition = getElement('condition').value; var featuresInput = getElement('features').value.toLowerCase(); var features = featuresInput ? featuresInput.split(',').map(f => f.trim()).filter(f => f !== ") : []; // — Simplified Valuation Logic — // This is a highly simplified model. Real-world valuation is complex. var baseValue = 30000; // Default base value for a hypothetical average car var depreciationRatePerYear = 0.08; // 8% annual depreciation var averageMileagePerYear = 15000; // Kilometers var mileageAdjustmentFactor = 0.20; // $0.20 per km over/under average var conditionMultipliers = { 'excellent': 1.15, 'good': 1.00, 'fair': 0.80, 'poor': 0.55 }; var featureValue = features.length * 500; // $500 per desirable feature (simplified) // Adjust base value by make/model/year (very crude) if (make === 'toyota' || make === 'honda') { baseValue *= 1.10; } else if (make === 'bmw' || make === 'mercedes') { baseValue *= 1.25; } if (model.includes('suv') || model.includes('truck')) { baseValue *= 1.05; } var age = new Date().getFullYear() – year; var currentBaseValue = baseValue * Math.pow(1 – depreciationRatePerYear, age); // Mileage Adjustment var mileageDifference = mileage – (age * averageMileagePerYear); var mileageAdjustment = -mileageDifference * mileageAdjustmentFactor; // Negative if higher mileage // Condition Adjustment var conditionMultiplier = conditionMultipliers[condition] || 1.00; var adjustedValue = currentBaseValue + mileageAdjustment; adjustedValue *= conditionMultiplier; // Feature Adjustment adjustedValue += featureValue; // Ensure value doesn't go below a minimum threshold (e.g., 10% of base) var minValue = baseValue * 0.10; var finalValue = Math.max(adjustedValue, minValue); finalValue = Math.round(finalValue); // — Display Results — getElement('primary-result').textContent = "$" + finalValue.toLocaleString(); getElement('intermediate-value-1').innerHTML = 'Base Value (Adjusted for Age): $' + Math.round(currentBaseValue).toLocaleString() + ''; getElement('intermediate-value-2').innerHTML = 'Mileage Adjustment: $' + Math.round(mileageAdjustment).toLocaleString() + ''; getElement('intermediate-value-3').innerHTML = 'Condition Adjustment: $' + Math.round(adjustedValue – currentBaseValue – mileageAdjustment).toLocaleString() + ''; getElement('intermediate-value-4').innerHTML = 'Feature Adjustment: $' + Math.round(featureValue).toLocaleString() + ''; getElement('results-container').style.display = 'block'; updateChart(make, model, year, mileage, condition, finalValue); updateTable(finalValue, mileage); // Update table with calculated value for current mileage } function updateTable(currentValue, currentMileage) { var tableBody = getElement('valueTableBody'); // Clear existing rows except header tableBody.innerHTML = "; // Add current calculation row var row = tableBody.insertRow(); row.insertCell(0).textContent = currentMileage.toLocaleString(); row.insertCell(1).textContent = "$" + currentValue.toLocaleString(); row.insertCell(2).textContent = "Current Estimate"; // Add example rows (can be static or dynamically generated based on age/condition) var sampleMileages = [10000, 30000, 60000, 100000]; var sampleConditions = ['excellent', 'good', 'fair', 'poor']; for(var i = 0; i < sampleMileages.length; i++) { var sm = sampleMileages[i]; var sc = sampleConditions[i]; // Recalculate value for these sample points (using current car's base + age assumptions) var sampleAge = parseInt(getElement('year').value) + Math.round(sm / 15000); // Approximate age based on mileage var sampleCurrentBaseValue = baseValue * Math.pow(1 – depreciationRatePerYear, sampleAge); var sampleMileageDiff = sm – (sampleAge * averageMileagePerYear); var sampleMileageAdj = -sampleMileageDiff * mileageAdjustmentFactor; var sampleAdjValue = sampleCurrentBaseValue + sampleMileageAdj; var sampleConditionMultiplier = conditionMultipliers[sc] || 1.00; sampleAdjValue *= sampleConditionMultiplier; var sampleFinalValue = Math.max(sampleAdjValue, minValue); sampleFinalValue = Math.round(sampleFinalValue); row = tableBody.insertRow(); row.insertCell(0).textContent = sm.toLocaleString(); row.insertCell(1).textContent = "$" + sampleFinalValue.toLocaleString(); row.insertCell(2).textContent = sc.charAt(0).toUpperCase() + sc.slice(1) + " Condition"; } } function updateChart(make, model, year, currentMileage, condition, currentValue) { var ctx = getElement('valueChart').getContext('2d'); // Define data points for the chart – simulating depreciation curve var labels = []; var dataValues = []; var conditionDataValues = []; // Separate series for comparison var baseChartValue = 30000; // Base for chart context var chartDepreciationRate = 0.08; var chartAvgMileage = 15000; var chartConditionMultipliers = { 'excellent': 1.15, 'good': 1.00, 'fair': 0.80, 'poor': 0.55 }; var numPoints = 10; var maxMileageForChart = currentMileage * 2 < 200000 ? 200000 : currentMileage * 2; // Show up to double current mileage or 200k km var mileageStep = maxMileageForChart / numPoints; for (var i = 0; i <= numPoints; i++) { var mileagePoint = Math.round(i * mileageStep); var ageEstimate = Math.round(mileagePoint / chartAvgMileage); // Estimate age based on mileage var chartCurrentBase = baseChartValue * Math.pow(1 – chartDepreciationRate, ageEstimate); var mileageDiff = mileagePoint – (ageEstimate * chartAvgMileage); var mileageAdj = -mileageDiff * 0.20; // Using the same factor var adjusted = chartCurrentBase + mileageAdj; var finalChartValue = Math.max(adjusted * chartConditionMultipliers['good'], baseChartValue * 0.10); // Good condition series finalChartValue = Math.round(finalChartValue); var conditionAdjustedValue = Math.max(adjusted * chartConditionMultipliers[condition], baseChartValue * 0.10); // Current condition series conditionAdjustedValue = Math.round(conditionAdjustedValue); labels.push(mileagePoint.toLocaleString()); dataValues.push(finalChartValue); conditionDataValues.push(conditionAdjustedValue); } if (carValueChart) { carValueChart.destroy(); } carValueChart = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [ { label: 'Value (Good Condition)', data: dataValues, borderColor: 'rgba(0, 74, 153, 1)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.3 }, { label: 'Value (' + condition.charAt(0).toUpperCase() + condition.slice(1) + ' Condition)', data: conditionDataValues, borderColor: 'rgba(40, 167, 69, 1)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: true, tension: 0.3 } ] }, options: { responsive: true, maintainAspectRatio: true, scales: { y: { beginAtZero: false, ticks: { callback: function(value, index, values) { return '$' + value.toLocaleString(); } } }, x: { title: { display: true, text: 'Mileage' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += '$' + context.parsed.y.toLocaleString(); } return label; } } } } } }); } function resetForm() { getElement('make').value = 'Toyota'; getElement('model').value = 'Camry'; getElement('year').value = new Date().getFullYear() – 3; getElement('mileage').value = 40000; getElement('condition').value = 'good'; getElement('features').value = 'Backup Camera, Bluetooth'; getElement('make-error').textContent = ''; getElement('model-error').textContent = ''; getElement('year-error').textContent = ''; getElement('mileage-error').textContent = ''; getElement('results-container').style.display = 'none'; if (carValueChart) { carValueChart.destroy(); carValueChart = null; } // Reset table to defaults if needed, or just clear getElement('valueTableBody').innerHTML = ''; var defaultRows = [ { mileage: 10000, value: "$30,000", notes: "Excellent Condition" }, { mileage: 30000, value: "$27,000", notes: "Good Condition" }, { mileage: 60000, value: "$23,000", notes: "Fair Condition" }, { mileage: 100000, value: "$18,000", notes: "Poor Condition" } ]; var tableBody = getElement('valueTableBody'); defaultRows.forEach(function(rowData) { var row = tableBody.insertRow(); row.insertCell(0).textContent = rowData.mileage.toLocaleString(); row.insertCell(1).textContent = rowData.value; row.insertCell(2).textContent = rowData.notes; }); } function copyResults() { var primaryResult = getElement('primary-result').textContent; var intermediate1 = getElement('intermediate-value-1').textContent.replace('Base Value (Adjusted for Age): ', ''); var intermediate2 = getElement('intermediate-value-2').textContent.replace('Mileage Adjustment: ', ''); var intermediate3 = getElement('intermediate-value-3').textContent.replace('Condition Adjustment: ', ''); var intermediate4 = getElement('intermediate-value-4').textContent.replace('Feature Adjustment: ', ''); var make = getElement('make').value; var model = getElement('model').value; var year = getElement('year').value; var mileage = getElement('mileage').value; var condition = getElement('condition').value; var features = getElement('features').value; var copyText = "— Car Value Estimate —\n\n"; copyText += "Make: " + make + "\n"; copyText += "Model: " + model + "\n"; copyText += "Year: " + year + "\n"; copyText += "Mileage: " + mileage + "\n"; copyText += "Condition: " + condition + "\n"; copyText += "Features: " + features + "\n\n"; copyText += "Estimated Value: " + primaryResult + "\n"; copyText += "Base Value (Adj.): " + intermediate1 + "\n"; copyText += "Mileage Adjustment: " + intermediate2 + "\n"; copyText += "Condition Adjustment: " + intermediate3 + "\n"; copyText += "Feature Adjustment: " + intermediate4 + "\n\n"; copyText += "Source: [Your Site Name] Car Value Calculator"; navigator.clipboard.writeText(copyText).then(function() { // Success feedback – optional var button = event.target; button.textContent = 'Copied!'; setTimeout(function() { button.textContent = 'Copy Results'; }, 2000); }).catch(function(err) { console.error('Failed to copy text: ', err); // Error feedback – optional var button = event.target; button.textContent = 'Failed!'; setTimeout(function() { button.textContent = 'Copy Results'; }, 2000); }); } // Initial calculation and chart rendering on page load document.addEventListener('DOMContentLoaded', function() { resetForm(); // Populate with defaults calculateCarValue(); // Perform initial calculation }); // Add event listeners for real-time updates var inputs = document.querySelectorAll('.loan-calc-container input, .loan-calc-container select'); inputs.forEach(function(input) { input.addEventListener('input', function() { // Validate on input if there's already an error message or if field is not empty var errorId = input.id + '-error'; var errorDiv = getElement(errorId); if (errorDiv && errorDiv.textContent !== "") { if (input.id === 'make' || input.id === 'model' || input.id === 'year' || input.id === 'mileage') { validateInput(input.id, errorId, input.min, input.max, false, input.placeholder + " is required."); } } // Only calculate if all critical fields are filled and valid if (getElement('make').value && getElement('model').value && getElement('year').value && getElement('mileage').value) { calculateCarValue(); } else { // Hide results if critical fields become empty getElement('results-container').style.display = 'none'; if (carValueChart) { carValueChart.destroy(); carValueChart = null; } } }); }); // Specific validation for Year range on blur getElement('year').addEventListener('blur', function() { validateInput('year', 'year-error', 1886, new Date().getFullYear(), false, 'Manufacturing year is required.'); }); getElement('mileage').addEventListener('blur', function() { validateInput('mileage', 'mileage-error', 0, 500000, false, 'Mileage is required.'); });

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