Carbike360 comprehensive Audi RS e-tron GT Quattro and BMW M8 Coupe comparison based on the price, specification, fuel efficiency, features and more. Audi RS e-tron GT Quattro comes with a price of ₹1.94 Cr and BMW M8 Coupe is priced at ₹2.44 Cr. Audi RS e-tron GT Quattro equipped with NA engine whereas BMW M8 Coupe has4395 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC