Pontiac Aztek
Pontiac took a gamble, hoping that buyers wanted something different. They did – but not this
Citroen C6 Lignage
The Citroen C6 Lignage looked just as radical as the production car that it led to
Bentley Hunaudières
Bentley has never made a mid-engined production car, but it's been considered...
SEAT Formula
SEAT once thought about taking on the Lotus Elise - but then got cold feet
Mazda RX-Evolv
The RX-Evolv looked that bit too wild for production. And then Mazda built it