A practical checklist for documents, bodywork, engine, road test and independent inspection.
Check vehicle identity and condition before paying a deposit. Use this list to prepare a viewing and an independent inspection.
Identity History evidence Where to find the VINStart with the vehicle number
Start with available technical details for free. The OBDAuto decoder does not provide accident, mileage, theft or service history.
Free checks and what a paid report may addHow to read a history reportRead the evidence, not just a verdict
Public carVertical demonstration screenshots, not reports purchased or cases investigated by OBDAuto. An example does not guarantee the same data for your car and does not replace an inspection.
carVertical · demonstration exampleRead the event type, date and estimate range. An assessment is not a paid invoice, and amounts should not automatically be added together.
Screenshot source: carVertical ↗ carVertical · demonstration exampleCompare the specifications with the documents and the actual car. This screenshot shows technical details, not a mileage timeline.
Screenshot source: carVertical ↗Vehicle history check (Affiliate partnership)
Before buying, compare the documents, mileage and physical inspection with available history records.
Check history on carVerticalGet -20% off with code:
Enter the VIN on the partner website. OBDAuto may earn a commission. Data coverage varies by vehicle; a complete history is not guaranteed.
Buying guide Editorial review: 27 October 2026Resolve any difference between vehicle markings, documents and the report before paying a deposit. An empty report does not confirm that the car has never been damaged.
Request a clear photo of the VIN on the car and the relevant documents, then arrange dates and mileage readings in order. Keep a budget for an independent inspection.
A clean history or one test does not guarantee condition. Ask a workshop to inspect the vehicle and quote confirmed findings.
Your first check at the car
Illustrative windscreen photos from different vehicles. The exact position depends on make, model and market; these images are not model-specific instructions for every car in the guide.
Look from outside at the base of the windscreenWesha · Public domain · Resized and compressed as WebP; cropped for display.
GM example: the plate seen through the windscreenHans Haase · CC BY-SA 3.0 · Resized and compressed as WebP; cropped for display.
Some models show the VIN through the windscreen. A door-frame label or a stamped marking may be elsewhere; check the manufacturer’s manual for your model.
Compare the marking with the vehicle documents and report. Do not confuse an engine code or a part number with the VIN.
Do not scrape or alter markings. If a number is missing, hard to read or does not match, ask a specialist to verify the vehicle’s identity.
Free OBDAuto checklist; not an official certificate and not a substitute for a professional inspection.
Download PDF checklistCreate an inspection reportTick off completed checks. The list resets when you reload the page.
0 / 6 checks completed
Compare VIN and documents Request service and dated mileage records Inspect body, tyres and lights Check warning lights and cabin equipment Observe a cold start and leaks Save diagnostics and request an independent inspectionNo. It can indicate an intervention or different material; compare multiple readings and records.
Is a diagnostic scan enough?No. It does not replace a mechanical inspection or document checks.
Do you offer vehicle inspections, history reports or transport?
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