None of the Audi V8's competitors currently offers all-wheel ... from the normal 50/50 front/rear split right on up to 100 per­cent front or 100 percent rear. Mean­while, a Torsen differential ...

In fact, you'd be hard-pressed to even find a twin-turbocharged V8 for 100 grand (what is the world ... ZR1 – and it could go ...