How to Compare Used-Car Reliability, Repair Costs, and Model Years

Which used cars are reliable without costing a lot to maintain?

The best candidates are specific model years with strong reliability records and repair costs that fit your budget; the sources provided do not establish one universally cheapest, most reliable model. Start with a shortlist, then compare the exact years and vehicles rather than buying on a brand name alone.

Consumer Reports analyzed more than 140,000 vehicles from model years 2016–2021 for its used-car brand ranking, averaging model reliability verdicts across those six years. Its analysis covered 20 trouble areas and weighted problems by severity. But a brand average can conceal weak spots in individual models and years. For example, Consumer Reports says that within the Chevrolet Equinox generation it assessed, only model years 2019 and 2022–2024 had above-average reliability.

Repair cost needs its own check. RepairPal’s reliability rating combines repair cost, frequency, and severity for vehicles from model years 2010–2019. It cautions that a higher average repair cost alone does not necessarily mean a vehicle is less reliable. In practical terms, a low-cost repair that happens often and an expensive repair that is rare create different ownership risks; compare all three measures where the data is available.

These are comparison tools, not guarantees. J.D. Power measured 2022-model-year vehicle dependability after three years; its 2025 study reported averages of 199 problems per 100 hybrid vehicles, 200 for gas vehicles, 223 for battery-electric vehicles, 233 for diesel vehicles, and 242 for plug-in hybrids. Those figures describe reported problems in that study, not the likely repair bill for the used car in front of you.

How much should I trust reliability rankings when shopping for a used car?

Trust reliability rankings as a way to prioritize research, then verify the exact model year and individual vehicle before you buy. A ranking summarizes a defined sample and set of problems; it cannot tell you whether a particular car was maintained or has an open recall.

Consumer Reports says its 2025 Auto Surveys covered about 380,000 vehicles, including model years 2000–2025 and some early 2026 models. A typical vehicle has about 200–300 samples per model year. Owners report problems from the previous 12 months across 20 trouble spots, with extra weight given to major engine, transmission, cooling, drive-system, electric-motor, and EV-battery problems because those can be costly or take a vehicle out of service.

Read the scale carefully. Consumer Reports compares each car’s problems with the average for vehicles from the same model year and says scores are not comparable across model years. J.D. Power uses a different measure: problems per 100 vehicles, where a lower score indicates higher vehicle quality. The studies cover different samples and measures, so do not treat their scores as interchangeable.

Then check what rankings cannot establish. Search the car’s VIN through the National Highway Traffic Safety Administration (NHTSA) recall tool for unrepaired recalls. NHTSA also makes safety-defect investigations and consumer complaints searchable. A recall search is a specific-vehicle check; complaints and investigations add context about potential model-level patterns, not a diagnosis of the car you are considering.

How can I find the most reliable model years for a specific car?

Find the strongest model years by comparing year-specific reliability evidence, looking for reported weaknesses and recalls, then checking the candidate car’s records and condition. Keep the process in order: research the year, check the VIN, and inspect the vehicle before negotiating.

1. Compare years, not just badges. Search reliability history for each model year on your shortlist. Consumer Reports specifically recommends checking each model year, and its Equinox example shows why a single generation can include both above-average and less consistent years.
2. Read the problem pattern. Give more attention to repeated or severe trouble areas than to a single broad score. Consumer Reports weights major powertrain and battery problems more heavily in its survey; note whether the concern applies to the exact year you are researching.
3. Check VIN-specific recalls. Use NHTSA’s VIN search to see whether the specific car has an unrepaired recall. Search complaints and investigations for model-specific context, while remembering that NHTSA reviews complaints with other available information and does not require a set number of complaints to open an investigation.
4. Match records to mileage. Ask for service and repair records, check the mileage, and compare the seller’s account with the documentation. The FTC recommends researching both; missing information is a reason to ask more questions, not a reason to assume a problem was fixed.
5. Buy an inspection, not a promise. Ask an independent mechanic for a written inspection report with repair cost estimates and the vehicle’s make, model, and VIN. The FTC notes that a vehicle history report typically does not list mechanical problems and that even a dealer-certified car should receive a mechanical inspection.

Finally, read the dealer’s Buyers Guide. The FTC says it identifies whether the car is sold as-is or with a warranty and describes major mechanical and electrical systems and some problems to look out for. Add likely maintenance to registration, insurance, and fuel when setting the budget. If the inspection identifies repairs, use the written estimates to decide whether the asking price still makes sense.

Before the test drive, write down the exact model year, the reliability concern you want checked, the VIN recall result, and any record gaps. Give that list to the mechanic and ask for a written estimate of needed repairs. That turns a vague “reliable car” search into a decision you can compare across actual vehicles.