Carbike360 comprehensive BMW XM Plug-in Hybrid and Mercedes-Benz AMG G-Class G 63 comparison based on the price, specification, fuel efficiency, features and more. BMW XM Plug-in Hybrid comes with a price of ₹2.60 Cr and Mercedes-Benz AMG G-Class G 63 is priced at ₹3.60 Cr. BMW XM Plug-in Hybrid equipped with 4395 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC engine whereas Mercedes-Benz AMG G-Class G 63 has3982 cc, 8 Cylinders In V Shape, DOHC