Two Sedans with more similarities, such as the body structure, market segment, starting price, fuel economy, height, and maximum occupancy, than differences, like the horsepower and ground shadow size. First of all, the 2015 Lincoln MKZ pulls more horsepower than the 2016 Audi A4. And finally, the 2016 A4 has a slightly smaller body than the 2015 MKZ. Among similarities are the body structure, market segment, starting price, fuel economy, height, and maximum occupancy.