Audi 100 Avant Duo
Hybrid tech is nothing new, with this plug-in prototype dating back to 1989
Callaway C12
If a standard Corvette was a bit weak, Reeves Callaway was happy to turn things up to 11
Volvo Tundra
Ever wondered what a Citroën BX coupé would look like? Well here's the answer
Volkswagen Scooter
This funky three-wheeler was seriously considered for production, with Polo running gear
Alfa Romeo Zagato Zeta 6
This sharp-looking coupé would have reached production, but Alfa Romeo couldn't afford it
Bertone Nuccio
Created in turbulent times, the Nuccio was Bertone's final all-new concept car
Italdesign Alfa Romeo Scighera
The dramatically styled Italdesign Scighera almost made production. Kind of
Stola Phalcon
Remember the Maybach Exelero? Well there was a second example, sort of
Citroen C6 Lignage
The Citroen C6 Lignage looked just as radical as the production car that it led to
Volkswagen W12
Capable of more than 200mph, the W12 would have made quite a supercar
Peugeot RC Spades & Diamonds
With the RC concepts, Peugeot aimed to show that diesel was just as desirable as petrol
Subaru B11S
The B11S was effectively Subaru's take on the Mazda RX-8 – but it never saw production