Two Sedans with more similarities, such as the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the model year and horsepower. First of all, the is 2 model years newer than the . And finally, the 2014 A4 produces fewer horsepower than the 2016 3 Series Sedan. Among similarities are the body structure, market segment, starting price, fuel economy, ground shadow size, height, and maximum occupancy.