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Find out more about BTR
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Jeep Hurricane
Why have one 5.7-litre V8 in your hard-core off-roader when you can have two?
Audi Avus
Fast and curvaceous, the Avus was seriously considered for production
Chrysler ME Four-Twelve
Did you hear about the Chrysler that could give the Veyron a run for its money?
Renault Fiftie
Built to mark 50 years of the 4CV, the Fiftie could have been a brilliant retro city car for Renault
Maybach Exelero
Built to showcase Fulda's new tyres, the Exelero was capable of 219mph
BMW xCoupé
With its startling asymmetric design, the xCoupé looked more radical than it was
Renault DeZir
When its production cars lacked design flair, the DeZir showed what Renault could do
Rover TCV
The TCV was unveiled to show that Rover had a future – just before it went belly up
Karman Sport Utility Cabriolet
Ugly, impractical and pointless, the SUC remained a one-off. What a tragedy