Driver's window fell out (apparently a common problem).
Occasional water leaks around the roof area affecting the electric sunroof.
Central locking on the remote somewhat dodgy, but since the sensor is located with the sunroof motor it could well be rain water related, I've yet to track the problem down.
Lambda sensor needed replacing at 70,000.
By far the most inviting aspect of the XSi is it's superb road-holding, I've yet to have the back slide at all, and any over-zealousness is easily corrected. Tyre-wear is somewhat heavy though, so it's definitely worth forking out the extra cash for decent boots.
Performance wise-not quite up with the S16 or GTi-6, but for £4k less who's complaining.
I´m also owner of a 306 XSI and I like this car very much, I must agree that the road-holding is very good, especially with HßR. The only thing that I hate on this car is the motor-sound.
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