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Buying guides
Practical guides for buying a used car, with sources for each guide.
Buying guides in the United States
- What does a paid vehicle history report add to the free US checks?NHTSA's VIN lookup for open safety recalls and the National Insurance Crime Bureau's VINCheck for reported theft or insurance-salvage records are both free and both federal-level, but neither shows the car's title history, its odometer readings over time, or most accident and repair records. The FTC's guidance for used-car buyers points them to that missing layer through NMVTIS, the federally run title-history system, accessed through paid, NMVTIS-approved providers, and notes that broader commercial reports such as Carfax or AutoCheck sometimes add accident and repair history beyond what NMVTIS itself covers.
- What's the difference between a recall and a technical service bulletin?A recall means NHTSA or the manufacturer has determined the vehicle has a safety defect or fails a federal safety standard, and the manufacturer must fix it for free, by repair, replacement, refund, or in rare cases a repurchase. A technical service bulletin (TSB) is a separate notice a manufacturer sends to its dealer network about a known problem, safety-related or not, and it does not by itself give the owner any right to a free repair. You check a specific VIN for an open recall for free on NHTSA's own site; TSBs for a make, model, and model year are searched separately, and neither list is exhaustive.
- Salvage, rebuilt, flood: US title brands explainedIn the US, a title brand is a label a state motor vehicle agency stamps on a car's title to flag serious past damage, a flood, or an insurance total-loss settlement. Common brands include salvage, rebuilt or revived salvage, and flood or water damage. Federal law defines salvage and junk automobiles for the national title database, NMVTIS, but the exact wording a state prints on the title, and the threshold that triggers a brand, both vary by state.
- What free VIN checks actually show in the USA free VIN check in the US almost always means one of two specific tools: NHTSA's vPIC decoder, which returns factory specifications, or NICB's VINCheck, which flags theft and salvage records reported by participating insurers. Neither is a full vehicle history report. The federal system that actually tracks title brands, odometer readings and total-loss history, NMVTIS, releases consumer reports only through paid, approved providers, so free and complete are not the same thing here.
Other buying guides
- Odometer fraud: how to spot a clocked car before you signOdometer fraud, rolling back a car's mileage to inflate its price, affects an estimated 5-12% of domestic used-car sales and 30-50% of cross-border sales in the European Union, according to a 2018 European Parliament study. You can't always spot it by eye, but mismatches between service records and the dashboard reading, plus tell-tale wear on pedals, seats, and the steering wheel, are the strongest clues before you sign anything.
- What a vehicle history check reveals, and what it can'tA vehicle history check pulls together title records, odometer readings, salvage or total-loss brands, open recalls, and theft flags from government and insurance databases into one report. It can't reveal anything that was never reported in the first place: unreported accidents, undocumented repairs, or the car's current mechanical condition. That's why consumer groups like AAA recommend pairing a check with a hands-on inspection, not relying on either alone.
- Red flags in used-car listings: how to spot a scam adScam listings tend to repeat the same handful of tactics regardless of country: a price well below market, a seller who avoids meeting in person or letting you test drive, payment requests that bypass normal traceable channels, and manufactured urgency. In the US, imposter and marketplace-style fraud reports to the Federal Trade Commission grew for a fifth straight year in 2025, and vehicle-history provider CARFAX has separately flagged a rise in tactics like VIN cloning and fake escrow services in online car sales. The pattern is consistent enough that a short checklist catches most scam ads before you waste time or money.
- Accident damage and total loss: how to find hidden repairsA car doesn't have to look wrecked to have a hidden accident history: repaired panels, structural fixes, and total-loss write-offs can all be resold looking perfectly normal. A paint thickness gauge, a close look at panel gaps, and a vehicle history check together catch most of what a walk-around inspection alone misses. Factory paint typically measures 100-180 microns thick, and what matters most is consistency panel to panel: a single panel that reads clearly different from its neighbours is the red flag, not any specific number. No visual inspection can fully replace a documented history check for confirming a prior write-off.
- The 15-point used-car inspection checklistA thorough used-car inspection covers 15 checkable points across the exterior, interior, engine bay, and paperwork: from paint thickness and tyre wear to warning lights and VIN matching. Doing all 15 in order takes about 30-45 minutes at the seller's location, before you even start the test drive. None of them require special tools beyond a torch and, ideally, a cheap paint thickness gauge. Skipping the documentation checks (VIN matching, service history) is the most common mistake buyers make.
- The test-drive checklist: what to test and what a test drive can't tell youA thorough test drive covers seven phases (cold start, steering, brakes, transmission, noise at speed, electronics, and suspension) and takes at least 20-30 minutes on varied roads, not five minutes around the block. A warning light that stays on after startup, or milky exhaust smoke that lingers, are both reasons to stop and ask questions rather than continue. What a test drive fundamentally cannot tell you is the car's accident and ownership history: for that, you need documentation, not a drive.
- Buying from a private seller vs. a dealer: risks and protectionsA dealer sale usually comes with some form of short-term protection and stricter disclosure rules; a private sale is typically 'as is,' with far less legal recourse if something goes wrong. In the US, for example, private sellers aren't covered by the FTC's Used Car Rule that requires dealers to post a Buyers Guide. But exact rights vary by country, so check your own consumer-protection rules. That legal gap is exactly why independent verification matters more, not less, when you're buying from a private seller.
- How to read a service history, and which gaps are dealbreakersA full service history shows maintenance done at roughly the intervals the manufacturer recommends, with dated receipts or stamps for both routine work and the bigger scheduled jobs. Gaps matter most when they overlap with expensive wear components: a skipped timing-belt or clutch replacement, for example, doesn't just delay a bill, it risks turning a planned repair into a much larger one once the part fails and damages what's around it. A missing book isn't automatically a dealbreaker, but it shifts the burden onto you to verify the car's condition independently.