We are talking about the latest Porsche 911 GT3 and the BMW M4 CSL. The video at the ... which is 40 hp more than the M4 Competition upon which it is based. As a side note, the output could ...

is a tremendous quarter-mile elapsed time, and both of them are stupidly fast from a rolling start over the half mile as well ...

You’re looking at the fastest BMW yet. On a number of parameters, too. Which is something of a relief, because the M4 CSL has a lot to live up to. The Competition ... ape the M4 GT3 racecar ...

BMW's hardcore ... its lesser M3 Competition sibling. So is it twice the car, and can it beat its extraordinarily talented rivals from elsewhere, namely the Porsche 911 GT3 RS, Nissan GT-R SpecV ...