I'd bet it has got damp inside and has been driven by a smoker.
Check for evidence of leaks. Check under the carpets for rust - and in the boot. Check the ashtrays have been cleaned out thoroughly.
Check that all the electrics work perfectly.
If you have any doubts at all don't buy it. There are plenty more second hand cars about in really nice condition. Don't rush your decision.
ChicksFan
June 2011