Two Coupes with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, market segment, fuel economy, ground shadow size, and height. First of all, there is a $60,500 difference in the base MSRP. The 2016 Ferrari 488 GTB has a higher starting price than the 2016 Porsche 911 Coupe R. Also, a bigger engine usually means less mpg. But the 2016 488 GTB has a more powerful engine and it gets 2 more mpg than the 2016 911 Coupe R. In addition, although the 488 GTB is slightly larger, it has a shorter body than the 911 Coupe R. Among similarities are the body structure, market segment, and maximum occupancy.