Two Sedans with some similarities, but otherwise different in most aspects such as the powertrain, fuel economy, model year, market segment, horsepower, and ground shadow size. First of all, there is a difference in model years. The is 2 years newer. Also, the 2014 A4 has bigger and thirstier engine; the 2016 MKZ Hybrid gets 14.4 more mpg. In addition, the body structure of A4 is slightly smaller than that of the MKZ Hybrid. Among similarities are the body structure, market segment, starting price, height, and maximum occupancy.