Tool · Investor Sam Bigpurchase

New vs Used Car True Cost

July 1, 2026 • By the Investor Sam Editorial Team • Reviewed by Berly Sam Varghese, Editor
A new car loses a fifth of its value the moment you drive it off the lot; a 3-year-old car has already taken that hit for you. But used cars can cost more in maintenance and financing. This tool weighs every factor into a single true cost of ownership.

Example: New car price: 38000 $ · Used car price: 24000 $ · Used car age: 3 yrs · New car APR: 6 % · Used car APR: 8.5 % · Loan term: 5 yrs · Years to keep: 7 yrs · New insurance/yr: 1800 $ · Used insurance/yr: 1400 $ · New maintenance/yr: 600 $ · Used maintenance/yr: 1100 $

Used saves you$10,063
New total cost of ownership$49,413
Used total cost of ownership$39,350
New true cost/month$588
Used true cost/month$468

Worked example

A $38,000 new car kept 7 years might carry a $19,000+ total cost of ownership after resale, while a $24,000 three-year-old version of the same car often lands several thousand dollars lower even after higher maintenance — because someone else already absorbed the steepest depreciation.

Frequently asked questions

Why is a used car usually cheaper to own?

Depreciation is the single largest cost of a car, and it is steepest in the first three years. Buying used lets the first owner absorb that loss, so your dollars stretch further even with somewhat higher upkeep.

When can a new car be the better value?

New cars win when financing incentives are very low, warranty coverage removes big repair risks, and you plan to keep the car well past the loan payoff. The tool captures each of those levers.

Does this include fuel costs?

It focuses on depreciation, financing, insurance, and maintenance — the costs that most differ between new and used. Fuel is similar for the same model year, so it rarely changes the verdict; add it to maintenance if you want it included.

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Sources

Berly Sam Varghese · Editor, Investor Sam

Berly Sam Varghese is an engineer who treats money the way he treats any hard problem — something to be engineered, not gambled on. He funded years of education and built real financial stability the patient way, by living below his means and investing rather than borrowing. He writes for the person weighing a big purchase and the trade-offs behind it. He reviews and approves every article on Investor Sam and checks the figures against primary sources before anything is published. More about our standards.