Family & budgeting
What Does a Car Really Cost?
Go beyond the monthly payment to include depreciation, financing, insurance, maintenance, energy and recurring fees.
The payment is only one part of the cost
Start with the out-the-door price, including taxes, title, registration and dealer charges. Subtract the down payment and trade-in only once. If a loan finances add-ons or prior negative equity, include them in the financed amount.
Then add interest, insurance, maintenance, repairs, tires, registration, parking and energy. Depreciation is the purchase value lost by the end of the holding period and is often one of the largest costs.
Use terms from the actual loan disclosure
Compare APR, finance charge, amount financed, total of payments and term. A longer term can lower the monthly payment while raising interest and increasing the risk that the loan balance exceeds the car's value. Negative equity matters if the car is sold, traded or declared a total loss before the balance has fallen enough; rolling an old shortfall into a new loan makes the next purchase more expensive.
State taxes, EV fees and registration rules vary. Use the actual out-the-door quote or manual local inputs rather than a national default.
Convert the result into monthly and per-mile costs
Estimate annual miles, fuel economy or electricity use and local energy prices. Cash flow includes loan principal and interest, while economic cost includes depreciation and interest; adding both principal repayment and depreciation as costs counts part of the purchase twice. Divide the chosen measure by months and miles over the same holding period.
For electric and gasoline vehicles, use actual insurance quotes, registration and state fees, charging or fuel prices, maintenance expectations and resale scenarios. Do not assume one powertrain is always cheaper. Test a lower resale value, a repair reserve and different mileage over the same ownership period and driving need.
Bottom line
Compare cars using the full purchase price, financing, depreciation and running costs over the same years and mileage.
Related calculators
Sources
- CFPB: How Much Can I Afford to Borrow for a Car? (opens in a new tab)
- CFPB: Truth in Lending Disclosure for an Auto Loan (opens in a new tab)
This guide is for general education, not personal investment, tax, legal or financial advice. Check current rules and talk with a qualified professional when the decision calls for it.