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Buying guides
Practical guides for buying a used car, with sources for each guide.
Other buying guides
- Buying a used hybrid: what to check before you buyA used hybrid needs the same checks as any used car, plus three hybrid-specific ones: the hybrid battery's actual state of health, the condition of a drivetrain that switches between an engine and electric motor, and whether the manufacturer's hybrid-battery warranty transfers to you. In Consumer Reports' 2026 U.S. survey, hybrids had 15% fewer owner-reported problems than gas-only cars. But J.D. Power's 2026 U.S. dependability study found hybrids at 213 problems per 100 vehicles against 198 for gas-only, a reminder that even within one market, different studies don't always agree. Get a dealer or independent hybrid specialist to run an actual battery health check before you commit, and compare the result against the manufacturer's own warranty terms rather than a rule-of-thumb percentage.
- The most reliable cars according to the major 2026 studiesThere is no single, worldwide 'most reliable cars' ranking: every major reliability study covers one country and measures reliability a different way, so their results can't be merged into one list. In J.D. Power's 2026 U.S. Vehicle Dependability Study, Lexus ranked most dependable overall for the fourth year running; in Germany's ADAC Pannenstatistik 2026, the same year's breakdown data put Tesla Model 3 and an older BMW i3 among the least likely three-year-old cars to leave you stranded. Both are real, verified results: for different markets, measuring different things. Anyone who claims one global 'best car' ranking is combining data that was never designed to be combined.
- The safest cars of 2026: what Euro NCAP and IIHS ratings really meanThere is no single 'safest cars in the world' list: Euro NCAP tests European market-spec vehicles and IIHS tests US/Canada-spec vehicles, using different protocols and different scoring systems, so their results can't be merged or compared. Euro NCAP's 2025 Best-in-Class awards went to six vehicles, including the Mercedes-Benz CLA and Tesla Model 3; IIHS handed out 63 awards for 2026 model-year vehicles under tightened crash-avoidance criteria. Always check the specific model year of a rating, too: Euro NCAP itself says a safety rating expires after six years because testing standards keep getting harder, not because the car changed.
- EV range explained: why WLTP and EPA numbers differWLTP (used in Europe) and EPA (used in the US) test electric-car range with different lab procedures and different downward adjustments, so the same car gets two different official numbers: WLTP figures typically read about 10-15% higher than EPA figures for a comparable vehicle, though the gap varies by model. Neither number is 'wrong'; they're answers to different test questions, and on a used EV the real-world range also depends heavily on battery health, not just which label is on the spec sheet.
- Buying a car across borders: the extra risks of importsCars sold across borders carry meaningfully higher fraud risk than cars sold within their original country: a 2018 European Parliament study estimated 30-50% of cross-border used-car sales in the EU involved odometer manipulation, versus 5-12% for domestic sales, and more recent data from history-check provider carVertical found imported cars are 2.2 times more likely to have a tampered odometer than local ones. The core problem is verification: service records, inspection history, and write-off status all live in the exporting country's systems, which don't always talk to the country you're buying in.