One-off Pininfarina NSU 2 Porte + 2 with a Wankel engine is heading to auction soon. This unique concept is based on ... which eventually became the Audi brand we know today.

The rotary engine wasn't a new concept, but it was considered ... important to know because in 1969, NSU Motorenwerke merged ...

It's also claiming that Audi may revive the rear/mid-engine NSU TT, the car after which the current TT was named. The original NSUs were much like the European version of the Corvair, featuring ...