Carbike360 comprehensive Porsche Cayenne Base and Audi RS Q8 Performance 4.0L TFSI comparison based on the price, specification, fuel efficiency, features and more. Porsche Cayenne Base comes with a price of ₹1.42 Cr and Audi RS Q8 Performance 4.0L TFSI is priced at ₹2.49 Cr. Porsche Cayenne Base equipped with 2995 cc, 6 Cylinders In V Shape, 4 Valves/Cylinder, DOHC engine whereas Audi RS Q8 Performance 4.0L TFSI has3996 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC