You have to go all the way back to the Audi 920 of the late 1930s to find an earlier rear-wheel drive Audi sedan than this new A6. And for all of its modern history, the company has only built ...

combining the high-revving V8 with three electric motors to deliver an estimated 920 horsepower — making it the most powerful road car Audi has ever produced. Audi ended production of the ...