Carbike360 comprehensive BMW X3 xDrive20 M Sport and Mercedes-Benz GLC 300 4MATIC comparison based on the price, specification, fuel efficiency, features and more. BMW X3 xDrive20 M Sport comes with a price of ₹75.80 Lakh and Mercedes-Benz GLC 300 4MATIC is priced at ₹76.80 Lakh. BMW X3 xDrive20 M Sport equipped with 1998 cc, 4 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Mercedes-Benz GLC 300 4MATIC has1999 cc, 4 Cylinders Inline, 4 Valves/Cylinder, SOHC