Two Sedans with more similarities, such as the body structure, market segment, starting price, height, and maximum occupancy, than differences, like the horsepower, fuel economy, market segment, and ground shadow size. First of all, the 2015 Hyundai Genesis has bigger and thirstier engine; the 2016 Lexus ES 300h gets 20.4 more mpg. Also, the 2015 Genesis is slightly larger than the 2016 ES 300h. Among similarities are the body structure, market segment, starting price, height, and maximum occupancy.