Bugatti EB 18/4 Veyron concept
In some ways, the concept Bugatti was much less extreme than the production model
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
Bertone Emotion
Supposedly featuring Lotus power, the Emotion was a non-runner that looked sensational
Triumph Herald hatchback
Michelotti made just one prototype for Triumph, before the idea was abandoned
BMW E1
This electric commuter car could have been a hit, but it arrived 25 years too early
Audi e-tron Spyder
Although Audi's e-tron brand is usually reserved for EVs, there was also this hybrid
Pontiac Aztek
Pontiac took a gamble, hoping that buyers wanted something different. They did – but not this
Volvo P172
The P172 could have taken over where the 1800 coupé left off, but Volvo got cold feet
Volvo ECC
The Volvo ECC's tech was a blind alley, but its styling gave a taste of what was to come
Honda Dualnote
The petrol-electric Dualnote featured cutting-edge tech, but it looked like a dog's dinner