Two SUVs with some similarities, but otherwise different in most aspects such as the starting price, horsepower, cargo volume, fuel economy, and ground shadow size. First of all, there is a $169,500 difference in the base MSRP. The 2017 Bentley Bentayga has a higher starting price than the 2017 Porsche Cayenne. Also, the 2017 Bentayga has a more powerful engine than the 2017 Cayenne, and it gets 3.6 fewer miles on a gallon of fuel. In addition, the Bentayga is slightly larger than the Cayenne. And finally, the Porsche Cayenne has a 6.6 ft² larger cargo area behind second-row seats. Among similarities are the body structure, market segment, height, and maximum occupancy.