Audi R8 ABT XGT 2023. Audi R8 ABT XGT 2023. The Audi R8 racing supercar has been turned into a car for public roads: it is unique. ATB Sportsline turned the Audi R8 racing car into a road car Tuning studio ATB Sportsline has transformed the 2023 Audi R8 racing supercar into a car that […]