These two Bentley Flying Spur models are two types of the same model with one major difference, the modifications. First of all, there is a $55,600 difference in the base MSRP. The 2017 Bentley Flying Spur W12 S has a higher starting price than the 2017 Bentley Flying Spur. Also, the 2017 Flying Spur W12 S has bigger and thirstier engine; the 2017 Flying Spur gets 1 more mpg. Among similarities are the body structure, market segment, ground shadow size, height, and maximum occupancy.