Audi A6 2012 Tags: S Line, SE

A radiator is about £140, an alternator about £235 and a starter motor £160. The performance is certainly more than adequate; both at the pumps (where the 1.9-litre TDi averages 40mpg) and on the test track - where even the 1.8T makes 60 in 9.4s on the way to 136mph. To be fair, however, V6 power suits the car better. The 2.4-litre unit is impressively refined and far less frantic, recording 9.1s and 141mph. Read more...