[ThreeStripes]

275/30/19 or 275/35/18 is actually fairly common on the F87. 305s on a 19x11 as the G87 can fit represents a significant advantage over both the stock wheel tire setup of the F87 as well as most track focused setups.

The reason that GridLife Touring Car races are so competitive despite fielding so many different vehicle types (age, drivetrain, etc) is they balance performance on four simple factors: grip, power, weight, and aero.

Note there is no magical 5th lever for, “chassis rigidity, suspension tuning, general set-up and balancing of all the components.”