Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, horsepower, fuel economy, ground shadow size, and height. First of all, there is a $150,100 difference in the base MSRP. The 2018 Bentley Flying Spur V8 S has a higher starting price than the 2018 Audi RS 3. Also, the 2018 Flying Spur V8 S has a more powerful engine than the 2018 RS 3, and it gets 6 fewer miles on a gallon of fuel. In addition, not only RS 3 is significantly smaller, but it's also slightly shorter than the Flying Spur V8 S. Among similarities are the body structure, market segment, and maximum occupancy.