Two Sedans with some similarities, but otherwise different in most aspects such as the model year, horsepower, fuel economy, market segment, and ground shadow size. First of all, the 2016 Genesis has bigger and thirstier engine; the 2013 ES 300h gets 20.4 more mpg. Also, the body structure of Genesis is slightly larger than that of the ES 300h. Among similarities are the body structure, market segment, starting price, height, and maximum occupancy.