Exhaust disintegrated, door check strap broke, secondary air pump thing rattles its head off, roll bars squeak, handles terrible, and to top it off the cam belt and its tensioner have just failed 300 miles from home in the fast lane of the M27.
This car is rubbish, don't buy one.
I currently own a 1997 1.6 Tigra having lusted after one for years and am so far extremely happy with what I've got. However, I do have the advantage of a fiance who's a fully qualified Vauxhall Technnician and is completely aux fait with the ups and downs of Tigras. As he says there are 'good' and 'bad' Tigra's and it's really important to get the car checked by an independent expert before buying whether brand new or second hand. Please persevere with your Tigra, I'm sure it will get better!
I own an OPEL TIGRA sense 1995 and I tell you this to you my good people: NEVER ADD A PROBLEM, and its run's like Hell, my advise is: To buy.