2018 Audi S3 vs. 2017 BMW M6 Gran Coupe

Two Sedans with more similarities, such as the body structure, market segment, height, and maximum occupancy, than differences, like the starting price, horsepower, fuel economy, and ground shadow size. First of all, there is a notable difference in the starting price of the 2018 Audi S3, which is $73,850 less than the base MSRP of the 2017 BMW M6 Gran Coupe. Also, the 2017 M6 Gran Coupe has bigger and thirstier engine; the 2018 S3 gets 9 more mpg. And finally, the S3 has a significantly smaller body than the M6 Gran Coupe. Among similarities are the body structure, market segment, height, and maximum occupancy.