Two Sedans with more similarities, such as the body structure, market segment, ground shadow size, height, and maximum occupancy, than differences, like the powertrain, fuel economy, market segment, starting price, and horsepower. First of all, the 2017 Acura RLX Hybrid has a more powerful engine than the 2017 INFINITI Q70, but it gets 9.5 more miles on a gallon of fuel. Also, there is a notable difference in the starting price of the 2017 INFINITI Q70, which is $9,850 less than the base MSRP of the 2017 RLX Hybrid. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.