You wonder sometimes when manufacturers will reach an optimum level of performance for their cars. I’m not actually sure your average driver can tell whether one vehicle is 0.2 seconds faster to 60mph than another.

However, that is the point of the Performance – the ultimate incarnation of the ubiquitous A7. The RS version is quick but this one trims 0.2 seconds off the 60mph dash – oh and it will cost you £6,500 more too.

You’re only really going to spot the difference on a race track – and then I would argue that the 7 isn’t exactly the correct machine to be ripping around Silverstone in the first place.

Looking at the RS7 in front of me now, I’m already wondering who actually buys a car like this. Let’s take it out on the road to find out…