How Are Interest Rates Calculated on Loans

Estimate your vehicle's current market value and future resale potential.

Calculation Summary

Estimated Value:

Total Depreciation:

Retained Value:

Note: This is an estimation based on standard industry averages. Local market conditions may vary.

Understanding Car Depreciation

Car depreciation is the difference between the amount you spent when you bought your vehicle and the amount you can get for it when you sell it or trade it in. Most new cars lose 15% to 20% of their value in the first year, and roughly 10% to 15% every year thereafter until they reach their scrap value.

Top Factors Influencing Your Car's Value

• Mileage: The more you drive, the lower the value. Average annual mileage is typically considered 12,000 to 15,000 miles.
• Maintenance History: A well-documented service history proves the car has been cared for, increasing buyer confidence.
• Number of Owners: Generally, the fewer owners a car has had, the higher its resale value.
• Market Demand: Reliable SUVs and fuel-efficient commuters tend to hold their value better than luxury sedans or niche sports cars.
• Condition: Aesthetic wear, interior smells (like smoke), and mechanical health significantly impact the final price.

Real-World Example

Imagine you purchased a new sedan for $30,000. After 3 years of driving 12,000 miles per year and keeping it in Good condition, the math looks like this:

1. Year 1: Value drops 20% ($24,000 remaining)
2. Year 2: Value drops another 15% ($20,400 remaining)
3. Year 3: Value drops another 12% ($17,952 remaining)

In this scenario, your car has lost over $12,000 in value just by sitting in your driveway and being driven regularly. Using a car depreciation calculator helps you plan for your next trade-in or determine if a lease might be more financially sound than a purchase.

function calculateDepreciation() { var price = parseFloat(document.getElementById('purchasePrice').value); var age = parseFloat(document.getElementById('carAge').value); var mileage = parseFloat(document.getElementById('annualMileage').value); var conditionMultiplier = parseFloat(document.getElementById('carCondition').value); var resultArea = document.getElementById('resultArea'); if (isNaN(price) || isNaN(age) || isNaN(mileage) || price 0) { // First year hit estimatedValue = estimatedValue * 0.80; // Subsequent years hit for (var i = 1; i expectedMileage) { var excess = totalMileage – expectedMileage; var mileagePenalty = (excess / 5000) * 0.02; estimatedValue = estimatedValue * (1 – mileagePenalty); } // Apply condition multiplier estimatedValue = estimatedValue * conditionMultiplier; // Floor the value at 10% of original price (salvage/scrap value) if (estimatedValue < (price * 0.10)) { estimatedValue = price * 0.10; } var totalLoss = price – estimatedValue; var percentRetained = (estimatedValue / price) * 100; // Display Results document.getElementById('currentValue').innerText = '$' + estimatedValue.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('totalLoss').innerText = '$' + totalLoss.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('percentRetained').innerText = percentRetained.toFixed(1) + '%'; resultArea.style.display = 'block'; resultArea.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }