Mercedes Vision A93
The Vision A93 was revolutionary for Mercedes, and for small cars in general
Karman Sport Utility Cabriolet
Ugly, impractical and pointless, the SUC remained a one-off. What a tragedy
Audi Avantissimo
The Avantissimo could have been the world's first production luxury estate, but it wasn't to be…
Mercedes F400 Carving
The F400 Carving looked bonkers, but it was a deadly serious testbed for cutting-edge tech
Toyota FXS
Using Lexus SC430 running gear, the FXS could have been a great boulevard cruiser
Cadillac Cien
The Cien could have lifted Cadillac's image by several notches, but GM's bean counters said no
Jaguar R-D6
The R-D6 was radical for Jaguar, but when it was unveiled that's just what the company needed
Mazda Nagare
Maybe one day we'll get to drive cars that look this good
Fioravanti Vola
With its neat styling and radical roof design, this could have been a landmark sports car…
Dodge ESX3
It didn't look all that radical, but the Dodge ESX3 represented a new way of thinking for its maker
Mazda RX-Evolv
The RX-Evolv looked that bit too wild for production. And then Mazda built it
Dodge Zeo
Better known for its large-engined muscle cars, Dodge once went green – briefly…