Bugatti EB 18/4 Veyron concept
In some ways, the concept Bugatti was much less extreme than the production model
Honda Dualnote
The petrol-electric Dualnote featured cutting-edge tech, but it looked like a dog's dinner
Volkswagen W12
Capable of more than 200mph, the W12 would have made quite a supercar
Pininfarina Mythos
Based on a Ferrari Testarossa, the Mythos was even more outrageous than the car that sired it
Jeep Treo
Jeep is renowned for its XXL-sized SUVs, but the diminutive Treo flew in the face of that
Mazda Taiki
One of the most beautiful concept cars ever devised, the Mazda Taiki will always look futuristic
Audi Avus
Fast and curvaceous, the Avus was seriously considered for production
Toyota FXS
Using Lexus SC430 running gear, the FXS could have been a great boulevard cruiser
Mazda RX-Evolv
The RX-Evolv looked that bit too wild for production. And then Mazda built it