1975 Ford Cortina 2000E
1977 Ford Escort RS2000 (Pinto engines infinitely tuneable!)
Renault 21 Savanna - Yeh yeh but it was fun, utterly reliable, could carry all sorts of stuff and there was always bits falling off it so that was totally amusing as well.

E36 M3 - didnt treat it very well, sold for peanuts
E39 M5 - Didn't appreciate what it really was until it was gone. The only car I really miss

- apart from recently parting with my Audi A8 2.8 Quattro Sport.