Two Sedans with some similarities, but otherwise different in most aspects such as the powertrain, fuel economy, market segment, starting price, horsepower, and ground shadow size. First of all, the 2016 Hyundai Genesis has a more powerful engine and gets 10.9 mpg less than the 2015 INFINITI Q50 Hybrid. Also, there is a notable difference in the starting price of the 2016 Genesis, which is $5,650 less than the base MSRP of the 2015 INFINITI Q50 Hybrid. In addition, the Genesis is slightly larger than the INFINITI Q50 Hybrid. Among similarities are the body structure, market segment, height, and maximum occupancy.