It's called the GT50 concept, and it's a tribute to the all-conquering Audi racecars of the eighties and nineties.

The concept is based on an Audi RS3, complete with a turbocharged five-cylinder engine—it runs and drives too.

The GT50 serves as a tribute to Audi's line of five-cylinder engines, as well as its five-pot-powered race cars.

Fourteen apprentices from the brand’s Neckarsulm facility in Germany have created the GT50 Concept, a one-off race car ...

Design draws from IMSA and Trans-Am racers, with ’80s styling and aerodynamic bodywork ...

Cup Series rookie Connor Zilisch is set to drive in IMSA's Rolex 24, officially joining Action Express Racing for the 2026 ...

The 1964 GTO did more than launch a new trim line, it ignited Detroit’s muscle car era and reshaped American performance ...