What a ride!
I think the point Top Gear was making is that at there is a limit each car has in how low the aspect ratio can go before performance is negatively affected. Each car, and each suspension/wheel setup is going to have an optimal tire size for its performance purpose.
Former driver of a 2011 SLS AWD Platinum
Here's an article actually comparing the "plus size" upgrades on a racetrack and road use. It's interesting reading. http://grassrootsmotorsports.com/articles/speed-holes/
There are probably a lot more out there on the internet?
There are probably a lot more out there on the internet?
David