AUTOCOSTINDEX EST. 2026

What cars actually cost to keep running

Modeled · Ranked · Updated monthly · 52 vehicles tracked

AutoCostIndex models maintenance and repair costs by vehicle age — not one blended number — and lets you adjust every figure to your mileage, your shop, and how long you keep the car.

Cheapest to maintain

Average annual cost, ages 1–10
Lowest average annual maintenance cost
VehicleAvg annual10-yr total
Chevrolet Bolt EV $410 $4,100
Toyota Corolla $413 $4,130
Tesla Model 3 $415 $4,150
Toyota Prius $425 $4,245
Hyundai Ioniq 5 $445 $4,450

Most expensive to maintain

Same model, other end of the index
Highest average annual maintenance cost
VehicleAvg annual10-yr total
BMW X5 $760 $7,600
Tesla Model X $740 $7,400
Chevrolet Tahoe $701 $7,010
BMW X3 $690 $6,900
Jeep Gladiator $690 $6,900

By brand

Hubs rank every tracked model

EV maintenance costs

No oil changes — but tires bite back

How the index works

Every figure is produced by the ACI maintenance model: manufacturer service schedules priced at typical U.S. shop rates, plus expected age-related repairs. No scraped competitor numbers, no generated filler. Read the full methodology.