Top speed on a limited straight (even if long) is affected by max power, drag and acceleration. Because at Monza everybody runs very low rear wing angle, the main influence is the acceleration and max power. Both BMW and Lexus are pretty good on that. Gear ratios are also important.



Go away from Monza, to a different track like Paul Ricard, with a very very long straight but twisty rest of the circuit, and you need a setup with enough wing to produce good downforce to be fast in the rest of the circuit. This will give you a better indication on which car has the best efficiency, which means drag to downforce ratio. Results will get mixed again, for example old Aston has a very high top speed. Audi is extremely fast and 2019 Ferrari also gained extra speed on par with the Lamborghini, and so on.

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