The view down the mile straight as you stand on the tarmac is distorted by heat haze. It’s still early, so track temperature isn’t the cause. Look again and at the centre of this shimmering scene there’s the rapidly shrinking rump of a fast-moving vehicle – one that’s rather taller and blockier than we’re accustomed to here. There’s noise, too. Not a V8 roar, but a flatter sound. Let’s call it a persistent bellow. The Audi RS6 has landed in the UK and it’s monstering Millbrook. Best keep out of its way.
We’re here to answer a simple question: which is the fastest Audi on sale today, this five-seat, two-ton estate running on a surfeit of steroids, or the scalpel-sharp, mid-engined sports car that is the R8? Audi claims that they post identical 0-62mph and 0-124mph times, namely 4.6sec and 14.9sec respectively, but is this really the case? And are the two cars just as closely matched in all the other performance disciplines? That’s what we want to find out.
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