Two Sedans with some similarities, but otherwise different in most aspects such as the starting price, horsepower, fuel economy, height, and maximum occupancy. First of all, there is a notable difference in the starting price of the 2016 Audi RS 7, which is $19,400 less than the base MSRP of the 2015 BMW ALPINA B7. Also, the 2016 RS 7 has a more powerful engine than the 2015 ALPINA B7, and it gets 1 fewer mile on a gallon of fuel. In addition, the roofline of the RS 7 is slightly lower than the ALPINA B7's. And finally, there is a difference in the number of passengers; the BMW ALPINA B7 seats one more the Audi RS 7. Among similarities are the body structure, market segment, and ground shadow size.