Is RS6 faster than M5?
But the Audi RS 6 Avant Performance was slightly quicker, hitting 60 mph in 3. This shows the RS 6 getting off the line better, but the M5’s extra power coming into play to give it a higher trap speed. The S8’s sole engine choice is a potent one: a twin-turbocharged 4. V-8 engine making 563 horsepower and 590 lb-ft of torque. All-wheel drive is standard, and the transmission is an eight-speed automatic.This 800hp audi rs6 avant isn’t just any wagon—it’s a twin-turbo v8 beast wrapped in luxury.The Audi S8 offers a potent, 4. V8 engine with an 8-speed Tiptronic® transmission.