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, the 2016 Ford Mustang Coupe is priced $2,850 lower compared to the base MSRP of the 2015 Dodge Challenger. Also, the 2016 Mustang Coupe has a more powerful engine than the 2015 Challenger, but it gets 1.1 more miles on a gallon of fuel. In addition, not only Challenger is slightly larger, but it's also taller than the Mustang Coupe. And finally, you'll seat one more passenger in the Dodge Challenger than in the Ford Mustang Coupe. Among similarities are the body structure and market segment.