Ownership & Costs
Depreciation, MPG, total cost of ownership, charging and fuel costs.
10 resources
About Vehicle Ownership & Costs
The sticker price of a vehicle is rarely its biggest cost. Fuel, insurance, depreciation, maintenance, and repairs over the life of ownership usually add up to more than the purchase. This section breaks those numbers down with calculators for total cost of ownership, MPG, EV charging costs, depreciation curves, and per-trip fuel spend. Run the math before you buy a new vehicle, switch from gas to EV, or decide whether to keep your current car another year.
Tools 5
Guides 3
Printables 2
Frequently asked questions
When is it cheaper to buy new versus used?
New cars depreciate roughly 20% in year one and 15% per year after that, so a 3-year-old used car typically saves 40-50% versus new while still having most of its useful life left. The depreciation calculator shows the curve for any vehicle you enter.
Does an EV actually save money versus gas?
Usually yes over 5 or more years of ownership, but the math depends on your electricity rate, gas prices, and miles driven. Our EV charging cost calculator and fuel cost comparison let you enter your own numbers instead of guessing from national averages.
How do I calculate total cost of ownership?
Add purchase price, financing interest, fuel or electricity, insurance, maintenance, and expected repairs, then subtract resale value at the end of your ownership window. The total cost of ownership calculator bundles all of that into a per-mile or per-year figure you can compare between vehicles.
Is it worth trading in early if my car still works?
Almost never for financial reasons alone. Trading a paid-off vehicle for a new loan usually costs thousands in depreciation and interest that exceed any fuel or reliability savings. Keep a working car unless safety, repair costs, or family needs force the change.
How much should I spend on a car relative to my income?
A common rule is keeping total vehicle costs (payment, insurance, fuel, maintenance) under 15-20% of take-home pay. Below that leaves room for other goals, above that squeezes everything else.