Two Sedans with more similarities, such as the body structure, market segment, starting price, height, and maximum occupancy, than differences, like the powertrain, fuel economy, market segment, horsepower, and ground shadow size. First of all, the 2017 Cadillac ATS-V Sedan has a more powerful engine than the 2017 Acura RLX Hybrid, and it gets 10 fewer miles on a gallon of fuel. Also, the body structure of 2017 RLX Hybrid is slightly larger than that of the 2017 ATS-V Sedan. Among similarities are the body structure, market segment, starting price, height, and maximum occupancy.