Carbike360 comprehensive Audi e-tron GT S and Mercedes-Benz AMG S 63 E Performance Standard comparison based on the price, specification, fuel efficiency, features and more. Audi e-tron GT S comes with a price of ₹1.72 Cr and Mercedes-Benz AMG S 63 E Performance Standard is priced at ₹3.30 Cr. Audi e-tron GT S equipped with Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable engine whereas Mercedes-Benz AMG S 63 E Performance Standard has3982 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC