Car Depreciation Calculator

Frequently Asked Questions

What is the average annual car depreciation rate?

Most mainstream vehicles depreciate 12-20% per year after the initial first-year cliff. Economy sedans and compacts sit closer to 12-15%. Luxury cars often hit 18-22%. Trucks and body-on-frame SUVs can hold value with rates as low as 8-10% thanks to sustained demand.

Why does a car lose the most value in the first year?

The moment a new car is driven off the lot it becomes "used," losing the new-car premium. Warranties begin ticking, and the second buyer typically demands a meaningful discount versus the dealer price. This first-year drop is typically 15-25% of the purchase price, on top of any ongoing annual decay.

Do EVs depreciate faster than gas cars?

Historically, many mass-market EVs depreciated faster than comparable gas vehicles, driven by rapid technology improvements, battery concerns, and frequent over-air updates that shifted consumer preferences. This pattern is changing as EV technology matures - some models now hold value as well as top gas brands.

Can I use depreciation figures for tax or accounting purposes?

This tool uses a market-value model for financial planning, not IRS Section 179 or MACRS tax depreciation, which follow different schedules set by the tax code. Consult a tax professional for deductible business-use depreciation on a vehicle.

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Estimates for informational purposes only.

Important Disclaimer: Estimates for informational purposes only.

This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.

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How This Calculator Works

Vehicle value decays geometrically, not linearly. Each year the car loses a roughly fixed percentage of its remaining value, so the model is exponential: V = P × (1 − r)^t, where P is purchase price, r is the annual depreciation rate, and t is years owned. Because the steepest loss happens immediately, this tool optionally applies a sharper first-year drop (around 20%) - the moment a new car becomes "used" - then the steady-state rate for every subsequent year. Preset curves adjust r for typical economy (12%), luxury (20%), truck (9%), and EV (17%) profiles.

Worked Example

A $35,000 car with a 20% first-year drop and 15% thereafter: after year 1 it is worth 35,000 × (1 − 0.20) = $28,000. Year 2: 28,000 × 0.85 = $23,800. Year 3: $20,230. By year 5 the value is roughly $14,616 - the car has shed about $20,384, retaining only ~42% of its original price. Notice the dollar loss shrinks each year even though the percentage rate is constant: that is the signature of exponential decay.

Real-World Use

Use this before buying to see the true cost of ownership: depreciation is usually the single largest car expense, dwarfing fuel and maintenance for the first few years. Buyers chasing value often target 2-3 year-old vehicles, letting the original owner absorb the brutal first-year cliff while the car still has most of its useful life and often factory warranty remaining. Sellers can use the retained-value figure to set a realistic asking price.

Common Mistakes

Do not assume straight-line depreciation - a "50% over 5 years" rule of thumb badly misjudges both early and late values. Trucks, body-on-frame SUVs, and certain enthusiast cars depreciate far slower than luxury sedans, which can lose 60%+ in five years. Conversely, mass-market EVs have historically depreciated faster than gas equivalents due to battery and tech obsolescence, though this is shifting. High mileage, accident history, and discontinued models accelerate losses beyond any percentage model.

Limitations and Related Tools

This is a smooth statistical model; real markets are lumpy - redesigns, recalls, fuel-price swings, and supply shocks (such as the 2021-2022 used-car spike) all break the curve. Treat outputs as planning estimates, not appraisals; check actual transaction data for your exact trim. Pair this with a cost-per-mile or total-cost-of-ownership calculator to combine depreciation with fuel, insurance, and maintenance for the full financial picture of keeping versus replacing a vehicle.

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