Carbike360 comprehensive Mercedes-Benz AMG GT 63 S 4MATIC Plus Limousine and Porsche Panamera G3 comparison based on the price, specification, fuel efficiency, features and more. Mercedes-Benz AMG GT 63 S 4MATIC Plus Limousine comes with a price of ₹2.70 Cr and Porsche Panamera G3 is priced at ₹1.70 Cr. Mercedes-Benz AMG GT 63 S 4MATIC Plus Limousine equipped with 3982 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC engine whereas Porsche Panamera G3 has2894 cc, 6 Cylinders In V Shape, 4 Valves/Cylinder, DOHC