It’s a tribute to Audi’s interior designers that the brand’s big-car cabin architecture hangs together equally well for a luxury, high-quality feel in a £50,000 A6 as it does in a £130,000 (as tested) RS6. This cabin is as tech laden and electronically sophisticated as you’d expect a flagship Audi to be, thanks to its sharp display screens and well-judged combination of cool metal and glossy black surface treatments.
The usual tasteful yet typically restrained sporting details do help to differentiate this performance model from its lower-order A6 siblings, though. Contrasting red stitching stands out on the black leather upholstery of our test car and the Alcantara steering wheel and gear selector feel suitably motorsport derived. There’s an impressive sense of space in the front half of the cabin, too, afforded in part by the optional panoramic glass sunroof but also by the Audi’s sheer girth.
This airiness extends to the second row, where our tape measure recorded typical leg room of 720mm. Although that’s 20mm less than in a BMW M5, the Audi has more head room (990mm versus 920mm). In any case, there’s more than enough room for two adults to sit comfortably and enough overall width for three children to fit across the back seats without too much complicated tessellation of booster seats.