Two Sedans with more similarities, such as the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy, than differences, like the model year, starting price, and horsepower. First of all, the 2013 Audi A8 is priced $27,700 lower compared to the base MSRP of the 2016 Maserati Quattroporte, which is newer by three model years. And finally, the 2013 A8 pulls more horsepower than the 2016 Quattroporte. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.