Average car repair costs
Most common check engine light repairs cost a few hundred dollars, but major mechanical repairs can run into the thousands. The tables below show typical out-of-pocket costs, including parts and labor. Your price will depend on your vehicle, where you live and the shop you use.
Major mechanical repairs
| Repair | Typical cost |
|---|---|
| Engine Cylinder Head | $7,500 |
| Alternator | $628-$814 |
| Instrument Cluster | $885-$905 |
| A/C Compressor | $550 |
| Backup Camera | $631-$647 |
| Transmission | $3,000 |
| Power Steering Pump | $500-$800 |
| Suspension Struts | $1,254 |
Estimates based on ConsumerAffairs data. Costs vary by vehicle, location and repair facility.
Most common check engine light repairs
CarMD's 2026 Vehicle Health Index, based on repairs reported by a nationwide network of ASE-certified technicians, found the average check engine light repair cost a record $554 in 2025. These were the ten most common repairs:
| Repair | Average cost (parts and labor) |
|---|---|
| Catalytic converter replacement | $1,511 |
| Fuel injector(s) | $572 |
| Ignition coil and spark plug(s) | $480 |
| Mass air flow (MAF) sensor replacement | $346 |
| Thermostat | $324 |
| ABS wheel speed sensor | $314 |
| Spark plug(s) | $299 |
| Oxygen (O2) sensor | $287 |
| Ignition coil | $256 |
| EVAP canister purge control valve | $172 |
Source: 2026 CarMD Vehicle Health Index (2025 repair data), as reported by CarPro.
What affects the cost of a car repair?
Two things make up most repair bills: parts and labor. Labor is the shop's hourly rate multiplied by the time the job takes, which is why repairs that require removing other components, such as many transmission and engine jobs, cost far more than the parts alone suggest.
Your vehicle matters too. Parts for luxury and European models usually cost more, and newer cars with complex electronics and safety sensors take longer to diagnose and calibrate. Shop type and location also change the price: dealership rates tend to be higher than independent shops, and labor rates vary from city to city.
The most expensive car repairs
Engine and transmission work sit at the top. An engine cylinder head repair can reach around $7,500, and a transmission repair averages about $3,000. These are the bills that are hardest to plan for, because they often arrive without warning on cars that are past their factory warranty. Among check engine light repairs, the catalytic converter is the most expensive at an average of $1,511, and CarMD notes it is often damaged by smaller problems, such as misfires or a failing oxygen sensor, that were left unrepaired.
How to keep repair costs down
The cheapest repair is the one you catch early. Follow your vehicle's maintenance schedule, have a warning light checked promptly instead of driving on it, and get a second written estimate for any repair over a few hundred dollars. Keeping records of your maintenance also helps if you ever need to make a claim on a warranty or service contract.
How to pay for an unexpected repair
Car insurance won't help here: it pays for damage from accidents, theft and weather, not for parts that wear out or fail on their own.
Many drivers set aside an emergency repair fund. Others choose a vehicle service contract, an optional contract (not insurance) that may pay for eligible repairs to the parts it lists, depending on its terms, exclusions and deductible. Whether one makes sense depends on your car and budget, which we break down in are extended car warranties worth it? and, for older cars, in our guide to extended warranties for used cars.
Want to compare a plan's price with the repair costs above? Get a free vehicle service contract quote.
Frequently asked questions
What is the average cost of a car repair?
It depends on the repair. CarMD's 2026 Vehicle Health Index found the average check engine light repair cost a record $554 in 2025, while major mechanical repairs such as a transmission (around $3,000) or an engine cylinder head (around $7,500) cost far more.
What is the most expensive car repair?
Engine and transmission work are usually the most expensive. An engine cylinder head job can reach around $7,500 and a transmission repair averages about $3,000. Among check engine light repairs, a catalytic converter averaged $1,511 in CarMD's latest data.
Does car insurance pay for repairs like these?
Not when a part wears out or breaks down on its own. Car insurance pays for damage from accidents, theft and weather. Mechanical breakdowns are paid out of pocket, or by a separate plan such as a vehicle service contract, depending on its terms.
Why are car repairs getting more expensive?
CarMD reports that labor costs rose 51% and parts costs rose 23% in its 2025 data, driven by more complex systems, multi-part repairs and, in some cases, tariffs on imported parts. The average US vehicle is also older, at 12.8 years.
How can I lower my repair costs?
Keep up with routine maintenance, have warning lights checked early before a small problem damages other parts, and get a second written estimate for any large repair.
Last updated October 2026. Costs are averages and estimates, not quotes for your vehicle.