BMW M5 CS McLaren F1 Engine 4.4-liter twin-turbocharged V8 6.1-liter BMW V12 If anyone was thinking that the F90 BMW M5, launched in 2017, was already a formidable beast, well, then they'd be right.

For the first time in the history of the iconic supersaloon, BMW released a CS variant in 2021, with a 626bhp output making it the most powerful M5 ever produced. With a 70kg reduction in weight ...

And when you're done, compare it with the F90 and the F10 before ... slower than the mighty M5 CS. Guess the electric trickery hasn't worked in its favor, and BMW should have further boosted ...