Engine
Any oil leaks?
Clean oil?
Clean/New Spark Plugs?
Full Radiator?
Any Rusty water Marks?

Bodywork
Check for rust:
A-panels
A-posts
Front Wings
Rear Wings
Front Valance
Check under carpets - Any rust?
Headlamp Seams
Door bottoms
Under Rear seat
Sills
Boot & under Battery
Under arches
Rear door pockets

Wheels & Tyres
Damage to the rims caused by kerbing
Uneven wear on tyres
Do the wheels scrape on full lock?

Suspension & brakes
Does the car bounce too much?
Are the discs warped?
Do they squeak?

Driving the car
Any strange noises?
Does the car start first time? Any smoke?
Does the gearbox engage all gears?
Do the brakes work well without exessive travel?
Does the Car weave at all, or pull to one side at high speed or braking?
Any excessive vibration from the steering wheel?

Paperwork
Does the V5 match the car?
Are the MOT certificate and tax-disc correct?
Do the VIN Plates Match? Have they been tampered with?
Do all the locks use the same key? If not, why?