The Volkswagen Concept D is a concept luxury liftback designed by Ferdinand Piëch, which was unveiled at the 1999 International Motor Show Germany before going on public display.[1][2]
The vehicle featured a V10 TDI diesel engine (offering 230 kW/313 bhp at 4000 rpm and 750 Nm torque), six-speed Tiptronic, 4Motion all-wheel drive, air suspension with adaptive damping and Bi Xenon headlamps.[3] It was essentially a five-door prototype of the luxury sedan, the Volkswagen Phaeton, which debuted in 2002.[4]