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Buying a used car , Know your car , Safety and breakdowns · Updated 2026-10-18

Signs of accident repair on a used car

Many used cars have had some damage in their past. A small repaired scrape is not a reason to panic. A serious crash that was badly repaired is another matter, because it can affect safety, value and future costs. Knowing the signs helps you decide whether a repair was done well, and whether the seller is being honest about it.

Look in good light

Inspect the car outdoors in daylight, on a dry day, with the car clean. Rain, darkness and a dirty car hide a lot. Walk around slowly, and look along the side of the car from the front and rear corners.

Paint and bodywork clues

• Different colour or shine between panels. Look at the reflection of a building or tree and see whether it stays smooth and even across the panels.
• A rough, orange-peel texture on one panel only.
• Paint overspray on rubber seals, plastic trims, lights or window edges.
• Panel gaps that are uneven, for example wider on one side of the bonnet than the other, or doors that do not sit flush.
• Ripples or waves in the metal.
• Different brands or ages of headlights, glass or trim parts on one side.

Look inside the doors, bonnet and boot

• Open the bonnet and boot lid and look at the edges and seams. Original factory seams are usually neat and consistent; sloppy sealer, new welds or bolts with scratched paint suggest work.
• Check the boot floor and the spare wheel well for ripples, rust or damp.
• Look under the carpets and at the door sills if the seller allows it.
• Check the door rubbers for paint marks.

Structure and frame

The parts that matter most for safety are those you cannot easily see: the frame, the crumple zones and the pillars. Signs of trouble include:

• Bent or kinked metal under the bonnet or in the wheel arches.
• Uneven tyre wear that suggests the wheels are not lined up properly.
• A car that pulls to one side on a straight road, or whose steering wheel is crooked when going straight.
• Doors that are hard to close.

Only a lift and a trained eye can really judge structural repair, so ask a workshop to look underneath if you have doubts.

Safety equipment

Airbags and seatbelts are single-use safety parts. Check that the airbag warning light behaves normally, as described in dashboard warning lights. Watch for a light that never comes on or one that stays on, a steering wheel centre cover that looks different, or seat belts that look new on only some seats. Do not try to check or touch airbag systems yourself; leave this to a workshop.

Records and history

• Check the service book and invoices for body repair entries.
• Run the VIN through our VIN checker and compare it with the numbers on the car. Mismatched or tampered VIN plates are a serious warning.
• Ask directly whether the car has been in an accident, and ask for details of any repair. Honest sellers usually answer openly.

Why a repaired car is not always a bad car

A professional repair with proper parts and documentation can leave a car safe and fully usable. What matters is how serious the damage was, who repaired it and whether the work is documented. A repaired car should normally cost less than a similar car with no history, and you should tell yourself honestly that it may also be harder to resell. Read after an accident to see how repairs and claims work from the owner's side.

What to do if you find signs

1. Ask the seller calmly for the story and for proof of the repair.
2. Take the car to an independent workshop for a closer look.
3. If the answers are weak, walk away.
4. If the repair seems minor and well done, use it in price negotiation.

Questions to put to the seller

• Has any panel been repainted or replaced, and why?
• Who did the repair, and can I see the invoice?
• Were the airbags ever deployed?
• Was an insurance claim made, and for what?
• Has the car been checked on alignment equipment since the repair?

An open answer, with a bill and a clear reason, is a good sign. A sudden change of subject is not. Remember that sellers sometimes do not know the full history themselves, especially when the car has changed hands several times, so evidence matters more than assurances.

What to remember

• Inspect in daylight, with the car clean and dry.
• Look for colour differences, uneven gaps, overspray and signs of welding.
• Safety parts and structure matter most, and need a professional eye.
• A disclosed, well documented repair is better than a hidden one.
• If the seller will not talk about it, that is your answer.

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