ABT Audi RS6-R Avant C8 (740HP) – Overview, Onboard, Accelerations! Acceleration & Sound by turboandstance - June 9, 2020June 9, 2020 This time they have filmed the brand new ABT Audi RS6-R Avant C8. The guys at ABT Sportsline did an amazing job with this new limited edition RS6. Only 125 RS6-R models will be build world wide. Under the hood you will find the V8 4.0 TwinTurbo Mild Hybrid, producing