How about if someone new just wants to post an advert for a Zed making it a MANDATORY requirement to fill in a set of pre-defined questions - make it tough but then you cann see how genuine the car is. This is an extract from my check list of DOCUMENTATION check first, check out the CAR second. the forum can then, as it does so well, prod & poke for the benefit of anyone buying it

oke:
It's a bit belt & braces, but I never even go & see any car without first going through this - anyone who gives wooly answers, never even bother taking it further. Have always found people who provide this info offer a genuine car.
Documentation
1. Will the car be sold by its registered keeper from its registered address?
2. How long have you owned it? (question 1&2 will normally validate whether Private or Trade sale)
3. Why are you selling it?
4. How many previous owners has it had?
5. Please list out
- when it has been serviced & @ what milage
- where each service has been done
- what work has been done
- whether you have the invoicing to substantiate the detail
- when the next service is due (from the instrument cluster)
6. When is the next Road tax & MOT due and do you have all the old MOT's (some people like me even keep the old Road Tax which is a good sign)
7. Do you have both keys?
8. Do you have a HPI certificate and free from any finance or charge?
9. Has it ever been repaired, involved in an accident or stolen?
10. Do you have all the original documentation?
11. Is there anything that you are aware of that is broken or may need replacing?
The car
1. What is the bodywork like, ie any dents / scuffs / rust etc?
2. Is there any damage, wheel by wheel, to the alloys
3. What is the tread depth of each tyre, wheel by wheel, pointing out any uneaven wear (note some people put new tyres on to hide tracking issues)
4. Do all the electrics work, both inside & out?
5. Does the air-conditioning / climate control work properly, including the heating?
6. Does it start easily first time & every time?
7. Does it brake evenly in a straight line on a flat road if you take your hands off the steering wheel?
8. Is the tool kit complete?
9. Is there any damage to the interior trim, seats or equipment?
10. Is it a smoker’s car?
11. Are there any leaks, from the engine or interior?
12. Are there any stone chips on the windscreen?
13. Is there any clutch whine when you depress it?
14. Are there any leaks on the exhaust? Test put something up against it once warm and listen if anything blows underneath
15. Do all the door locks with central locking, windows go up & down properly?
16. How long does it take for the engine to reach normal operating temperature?
17. Any leaks or uneavenness from shock absorbers
18. Is there any damage underneath
19. Is there any play in the steering wheel
20. How much wear is there in the seat belts & pedals
21. How many clicks does it take before the handbrake is fully on?
22. Do the windscreen wipers clear the screen without smearing & washer jets work properly
23. The stereo - does the radio, CD etc plus speakers all work without distortion at reasonably loud volume