Carbike360 comprehensive Porsche 911 S/T and BMW iX xDrive 40 comparison based on the price, specification, fuel efficiency, features and more. Porsche 911 S/T comes with a price of ₹4.26 Cr and BMW iX xDrive 40 is priced at ₹1.21 Cr. Porsche 911 S/T equipped with 3996 cc, 6 Cylinders Flat, 4 Valves/Cylinder, DOHC engine whereas BMW iX xDrive 40 has Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable