The 15-Point Used Car Inspection Checklist
A checklist you can work through in twenty minutes on someone's driveway, ordered so the cheapest checks come first and the expensive surprises surface early.
This checklist is ordered deliberately. The early items are free, take seconds, and catch the expensive problems. The later ones matter but cost money to put right rather than ending the deal. Work down it in order and stop as soon as something disqualifies the car — there is no point checking the tyres on a vehicle you are not going to buy.
Do the whole thing in daylight, on a dry day, with the engine cold. If the seller cannot accommodate all three, come back another day.
Before you touch anything
1. The engine must be cold
Put your hand on the bonnet as you arrive. Warm means it has been run, and you have lost your chance to see a cold start — which is when a tired engine, a failing battery and a smoky exhaust all show themselves. Reschedule rather than settle for a warm start.
2. Where the car has been parked
Look at the ground under it. Fresh oil, coolant or transmission fluid on the ground is a leak, and a car that has been moved onto a clean patch of driveway just before you arrived is worth noticing.
3. Panel gaps and reflections
Stand at each corner and sight down the flank at a shallow angle. A reflection should travel smoothly. Where it kinks, the panel is not straight. Check the gaps around the bonnet, boot and all four doors — even and symmetrical, or the car has been hit.
4. Paint in the hidden places
Open every door and look at the paint inside the shuts, under the boot seal and under the bonnet lip. Nobody blends paint where nobody looks, so mismatches show here first. Overspray on rubber seals is repair work, plainly.
The mechanical checks
5. The cold start
Stand at the back of the car while someone else turns the key. Watch the exhaust for the first ten seconds. Blue smoke is oil being burned. White smoke that does not clear is coolant, and that is usually a very expensive problem. A brief puff of condensation on a cool morning is normal and clears quickly.
Listen too. A rattle for the first second or two that then quiets is common on higher-mileage engines. A rattle that persists is not.
6. Oil and coolant
With the engine off, pull the dipstick. Oil should be brown to black and smooth. A pale, creamy, coffee-coloured film on the dipstick or under the oil filler cap means coolant is mixing with oil — walk away.
Look in the coolant reservoir. It should be clean and coloured. Rusty brown or oily is bad news.
7. Under the bonnet, generally
A spotlessly steam-cleaned engine bay on an older car is not always reassuring — it can hide fresh leaks. What you want is honest, even grime with no clean wet patch anywhere. Check the belts for cracking and the hoses for softness or bulging.
8. The transmission
On an automatic, the change should be smooth and prompt in both directions. A pause of more than a second before drive engages, a jolt on the change, or any slipping — engine revs rising without the car accelerating — is a large bill.
On a manual, the clutch should bite in the middle of its travel, not at the very top. Test for slip: in a high gear at low speed, accelerate firmly. If the revs climb faster than the car does, the clutch is going.
9. Brakes
The pedal should be firm and stop in the same place each time. A pedal that sinks slowly under steady pressure is a master cylinder problem. Under braking the car should stop straight without pulling and without a pulse through the pedal.
10. Steering and suspension
On a quiet stretch, let the wheel go briefly at moderate speed — the car should track straight. Knocks over bumps mean worn bushes or drop links, which are cheap. A clonk when turning at low speed can be a CV joint, which is not.
Push down hard on each corner of the parked car and let go. It should settle in one movement. Continued bouncing means tired dampers.
Condition and consumables
11. Tyres
Check tread depth, but more importantly check wear pattern. Even wear across the tread is healthy. Wear on one edge only means alignment is out or something is bent. Four mismatched brands suggest an owner who bought the cheapest option each time, which tells you how everything else was maintained.
Check the date code on the sidewall too. Tyres older than about six years harden regardless of tread, and Sri Lankan heat does not help.
12. Rust and flood signs
Check the bottom of the doors, the sills, the wheel arch lips, and the boot floor under the mat. Lift the spare wheel out and look in the well for silt or a water line. Rust on seat rails or seat bolts inside a car is a strong flood indicator.
13. Electrics, all of them
Systematically: every window, both ways. Central locking on every door. All lights including reverse and both indicators. Wipers on every speed, and the washers. Air conditioning — it should be genuinely cold within a couple of minutes, not merely cool. The horn. The radio. Every warning light should illuminate at ignition and then go out; a bulb that never comes on has often been removed to hide a fault.
14. Interior wear against the odometer
The driver's seat bolster, the pedal rubbers, the steering wheel rim and the gear knob wear in proportion to use. A shiny worn wheel and flat pedal rubbers on a car showing 60,000 km do not agree with each other, and the odometer is the easier of the two to change.
15. The test drive
At least twenty minutes, including a rough surface, a hill, and a stretch fast enough to reach top gear. Turn the radio off. Drive it yourself rather than being driven. Then, at the end, let it idle for five minutes and watch the temperature gauge — cooling problems reveal themselves when the car stops moving, not while it does.
Questions people ask
How long should this take?
Twenty to thirty minutes for the static checks, plus the test drive. A seller who is impatient with that is telling you something.
What if I find something small?
Note it, price it, and use it. Two or three genuine, costed items make a far more persuasive negotiation than a general request for a discount.
Do I still need a mechanic if I do all this?
This checklist will disqualify most bad cars. A mechanic on a car that has passed it will find the last ten per cent — and on any significant purchase, that hour is well spent.
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