2018 Audi RS 7 vs. 2018 Mercedes-Benz S-Class AMG S 63

Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, height, and maximum occupancy. First of all, the 2018 Audi RS 7 is priced $33,600 lower compared to the base MSRP of the 2018 Mercedes-Benz S-Class AMG S 63. Also, a bigger engine usually means less mpg. But the 2018 S-Class AMG S 63 has a more powerful engine and it gets 3 more mpg than the 2018 RS 7. In addition, the RS 7 is slightly shorter than the S-Class AMG S 63. And then, you'll seat one more passenger in the Mercedes-Benz S-Class AMG S 63 than in the Audi RS 7. Among similarities are the body structure, market segment, and ground shadow size.