Two Sedans with some similarities, but otherwise different in most aspects such as the modifications, starting price, fuel economy, horsepower, ground shadow size, height, and maximum occupancy. First of all, there is a $120,000 difference in the base MSRP. The 2017 Bentley Flying Spur V8 S has a higher starting price than the 2017 Porsche Panamera. Also, the 2017 Flying Spur V8 S has a more powerful engine and gets 5.6 mpg less than the 2017 Panamera. In addition, not only Flying Spur V8 S is slightly larger, but it's also taller than the Panamera. And then, the Bentley Flying Spur V8 S seats one more passenger than the Porsche Panamera. Among similarities are the body structure and market segment.