Allegro
Triumph TR7
Toyota Avensis (not to say that the Carina was any good)
2010 Subaru Legacy
Cortina Mk3
Ford Sierra
Range Rover P38
Fiat Stilo
Citroen ZX
BMW X5 [E70]
BMW 6 [E64] - I'd like to nominate all Bangled BMWs because they're so badly styled, but unfortunately most of them are good cars underneath.