Car Depreciation Calculator

See how your car's value changes over time using the industry-standard depreciation model: 20% in year one, 15% each year after.

$
yrs
yrs

How Car Depreciation Works

Depreciation is the single largest cost of car ownership, yet it is the expense most people overlook. A new car loses value the moment you drive it off the lot, and continues losing value every year you own it. Understanding depreciation is crucial for making smart buying and selling decisions, as it directly affects your total cost of ownership and how much equity you build in your vehicle.

This calculator uses the widely accepted depreciation model where a vehicle loses 20% of its purchase price in the first year and 15% of its remaining value in each subsequent year. While actual depreciation varies by make, model, and condition, this model provides an accurate baseline for financial planning.

Car Depreciation Formula

Year 1 Value = Purchase Price x 0.80
Year N Value = Previous Year Value x 0.85 (for N > 1)

For example, a $40,000 car depreciates as follows: Year 1 = $32,000, Year 2 = $27,200, Year 3 = $23,120, Year 4 = $19,652, Year 5 = $16,704. After 5 years, the car has lost $23,296, or 58% of its original value.

Depreciation by Year: $35,000 New Car

  • Year 0 (new): $35,000 (100%)
  • Year 1: $28,000 (80%) -- lost $7,000
  • Year 2: $23,800 (68%) -- lost $11,200 total
  • Year 3: $20,230 (58%) -- lost $14,770 total
  • Year 4: $17,196 (49%) -- lost $17,804 total
  • Year 5: $14,616 (42%) -- lost $20,384 total
  • Year 7: $10,560 (30%) -- lost $24,440 total
  • Year 10: $6,489 (19%) -- lost $28,511 total

Why Depreciation Matters for Car Buyers

Depreciation is the "hidden cost" of car ownership. A car that costs $400 per month in loan payments but depreciates $300 per month is actually costing you $700 per month in real economic terms. When you sell or trade in the vehicle, you recover only the depreciated value, not what you paid. This is why the total cost of ownership, not just the monthly payment, should drive your purchasing decision.

Understanding depreciation also helps you avoid being "upside down" on your loan, which means owing more than the car is worth. If you finance 100% of a $35,000 car for 72 months at 6%, you will owe more than the car is worth for the first 3-4 years. A 20% down payment eliminates this risk from day one.

Best Time to Buy and Sell Based on Depreciation

The smartest time to buy a used car is when it is 2-3 years old. By then, the steepest depreciation has already occurred (35-42% value lost), but the vehicle still has most of its useful life ahead. You get a car that looks and drives like new but costs 35-40% less. Many 2-3 year old cars are also still under the original manufacturer warranty.

The best time to sell is before a major repair is needed or before the warranty expires, whichever comes first. For most vehicles, this is around the 4-5 year mark. Selling privately rather than trading in typically nets you 10-20% more, which can offset a full year of depreciation.

Factors That Speed Up or Slow Down Depreciation

Several factors cause a vehicle to depreciate faster than average: high annual mileage (over 15,000 miles), poor maintenance history, accident or salvage title history, discontinued models, unpopular colors or configurations, and the introduction of a significantly redesigned version of the same model.

Conversely, some factors help a car hold its value: low mileage, complete service records, popular colors (white, black, silver), desirable options packages, strong brand reputation for reliability, and high demand in the used market. Supply constraints, as seen during the chip shortage of 2021-2023, can temporarily slow depreciation significantly.

Depreciation and Your Tax Deductions

If you use your vehicle for business purposes, depreciation can provide significant tax benefits. The IRS allows business owners to deduct the depreciation of vehicles used for work, either through the standard mileage rate ($0.67 per mile in 2024) or actual expenses including depreciation. Section 179 deductions and bonus depreciation can allow business owners to deduct a large portion of the vehicle cost in the year of purchase, subject to certain limits for passenger vehicles.

Frequently Asked Questions

A new car typically loses 20-25% of its value in the first year of ownership. This is the single largest year of depreciation. A $35,000 new car will be worth approximately $28,000 after just one year. This is why many financial advisors recommend buying a car that is 1-2 years old to let someone else absorb the steepest depreciation.

After the first year at 20%, most cars depreciate about 15% per year for years 2 through 6. By year 5, a car retains roughly 37% of its original value. By year 10, most cars are worth 10-20% of their purchase price. Trucks and SUVs tend to hold value better than sedans, and some luxury brands depreciate faster than mainstream brands.

Toyota and Lexus vehicles consistently rank among the slowest-depreciating brands, retaining 50-60% of value after 5 years. Pickup trucks (Toyota Tacoma, Jeep Wrangler) depreciate the slowest of any vehicle category. Electric vehicles from Tesla have also shown strong value retention. Conversely, luxury European sedans (BMW, Mercedes, Audi) often depreciate 60-70% in 5 years.

Mileage is one of the biggest factors in depreciation beyond age. The average is about 12,000-15,000 miles per year. Cars with significantly higher mileage depreciate faster, while low-mileage vehicles retain more value. As a rough guide, every 10,000 miles above average for the age can reduce value by 5-10%. A 5-year-old car with 30,000 miles will be worth noticeably more than the same car with 100,000 miles.

Yes, several strategies help preserve value. Keep mileage low when possible, maintain a complete service history, keep the interior and exterior in excellent condition, avoid modifications that limit buyer appeal, choose colors and trim levels that are popular (white, black, silver tend to hold value), and store the vehicle in a garage. Regular maintenance prevents mechanical issues that tank resale value.