Haynes says for an auto tensioner for fuel injection pump drivebelt model, 84,000 or 7 years, but recommend 48,000 and 4 years, so pays your money,,,,,,,,,,,,take your pick. Did mine sooner rather than later.
Dont often have sunroof and aircon.
Just has a look on Autotrader cheap 05 plate, 63000, ?2450!! Brand new tyres, mp3, cd, tempted myself, more I read it better it looks. More miles and dearer 04 nearly ?3,000
http://www.autotrader.co.uk/search/u...heap%20MG%20ZS
Think its all down to condition and how they go.
Best of luck, pick a good one.