DRAG RACE: BMW M4 CS vs. Porsche 911 GTS Drag & Track by turboandstance - March 8, 2018March 8, 2018 This one’s a battle of two similarly priced and similarly powerful (but actually very different) coupés. The Porsche 911 GTS makes 331 kW while the BMW M4 CS counters with 338 kW. Game on! Watch these beautiful cars battle each other below and leave a comment below or share this one