Depreciation

Used-car depreciation still belongs in the true-cost math.

Used cars usually depreciate more slowly than new cars, but resale value still changes the five-year cost. A vehicle that costs more upfront can be cheaper to own if it gives more back when sold.

DepreciationInsurance Repair reserve Fuel / energy Maintenance
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Why this cost matters

  • Depreciation is the value you give up while owning the car, even if it is not a monthly bill.
  • Strong resale can justify a higher purchase price; weak resale can make a bargain look better than it is.
  • Luxury, EV, mileage, accident history, incentives, market cycles, and condition can swing the depreciation line.

What changes the number most?

  • Purchase price, expected sale price, holding period, mileage accumulation, condition, accidents, and market demand.
  • Vehicle segment and reputation: trucks, hybrids, mainstream reliability models, luxury cars, and EVs can behave differently.
  • Incentives, fuel prices, repair reputation, battery/range perception, and new-model changes.

Examples from current CarCostMath vehicle data

These are planning examples from the same dataset that powers the calculator presets. Use them to compare relative pressure, then replace the default with your actual quote or estimate.

2018 BMW X5luxury risk midsize SUV$204/moDepreciation · total $1,616/mo · 21 MPG
2018 Audi Q7luxury risk three-row SUV$186/moDepreciation · total $1,518/mo · 21 MPG

Depreciation comparison table

VehicleSegmentDepreciationTotal monthlyEfficiency
2021 Ford Mustang Mach-EEV/hybrid SUV$219/mo$1,202/mo93 MPGe
2018 BMW X5luxury risk midsize SUV$204/mo$1,616/mo21 MPG
2018 Audi Q7luxury risk three-row SUV$186/mo$1,518/mo21 MPG
2021 Tesla Model 3EV/hybrid sedan$186/mo$1,140/mo134 MPGe
2018 Mercedes-Benz E-Classluxury risk sedan$184/mo$1,434/mo25 MPG
2020 Ford Explorerthree-row/family SUV$182/mo$1,238/mo23 MPG

Verify before buying

  • Check realistic private-party and trade-in values for comparable vehicles.
  • Do not compare depreciation without using the same holding period and mileage assumptions.
  • Adjust depreciation upward for accident history, poor condition, undesirable trim, or weak local demand.
  • Use five-year cost, not just monthly payment, when comparing cars with different resale expectations.

Use this with the calculator

Open CarCostMath, load two vehicles, then adjust this specific line until it matches your real-world quote or inspection finding. A few dollars per month can become meaningful over five years.

Compare two used cars · Browse vehicle pages · Read methodology

Depreciation FAQ

Does depreciation matter on a used car?

Yes. It usually matters less than on a new car, but resale value still changes what the vehicle truly costs over the years you own it.

Can the more expensive used car be cheaper after depreciation?

Yes. If it retains value better, the higher upfront price may be partly recovered at resale.

Is depreciation a bill I pay every month?

No. CarCostMath converts it into a monthly planning line so it can be compared against payment, fuel, insurance, and repair reserve.