Compare images of 2018 BMW M4 Coupe and 2018 Porsche 718 Cayman by choosing the desired model and trim and then selecting the comparison image.
Two Coupes with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, ground shadow size, height, and maximum occupancy. First of all, there is a $13,400 difference in the base MSRP. The 2018 BMW M4 Coupe has a higher starting price than the 2018 Porsche 718 Cayman. Also, the 2018 M4 Coupe has bigger and thirstier engine; the 2018 718 Cayman gets 3 more mpg. In addition, the M4 Coupe body is slightly larger than the 718 Cayman, and in addition to that, it's also taller. And finally, there is a difference in the number of passengers; the BMW M4 Coupe seats two more the Porsche 718 Cayman. Among similarities are the body structure and market segment.