The 4.0 TFSI in the new 2020 Audi RS 6 Avant delivers 600 horsepower (441 kW) and 590 lb-ft (800 Nm) of torque, which is maintained at this high level between 2,050 and 4,500 rpm. In just 3.6 seconds the high-performance station wagon sprints from zero to 100 kph (62 mph). And in