Mercedes F300 Life-Jet
Why have four wheels on your wagon, when three will do just fine?
Cuno Bistram
This one-off home-built single-seater took minimalist motoring to the extreme
BMW-Veritas SP90 Spohn roadster
The BMW 328 was one of the most elegant sports cars ever made - until Spohn intervened
Brutsch Mopetta
The comically tiny Brutsch Mopetta made the Peel P50 look luxurious...
Opel Junior
Even now the Opel Junior looks fresh and funky, but it wasn't just a pretty face…
Dornier Delta
Only one Delta was made, but the car would still go into production elsewhere
Lotec Sirius
After its previous one-off, Lotec came back for more, but the Sirius would also be unique
BMW H2R
Few hydrogen-powered concepts have been built. The H2R was one of them
BMW X6 Typhoon by G-Power
How to give an environmentalist apoplexy: a 900bhp gargantuan SUV
Audi Avus
Fast and curvaceous, the Avus was seriously considered for production
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