autoevolution 29 Apr 2021, 11:11 UTC · by You know that an automaker does a solid, high-performance job with its cars whenever reviewers tend to pit cars from the same brand against each other. With that carmaker being BMW, it’s logical that one of the contenders is of the 2021 M3 or M4 variety. But, for good measure, in the other corner of the track "ring" there’s one of our all-time favorites, the M2 CS. 31 photos In case anyone got bored of seeing the M3/M4 siblings going against rivals from other brands, here’s another battle of the internecine war variety, courtesy of Mat Watson’s personal YouTube channel. This time around, instead of comparing the results of the M4 Competition with a larger sibling or bringing in an older generation for the M3 duel, we’re dealing with two cars that are almost on the same page in terms of pricing.