Carbike360 comprehensive BMW X7 xDrive40i M Sport and Audi Q8 e-tron 50 comparison based on the price, specification, fuel efficiency, features and more. BMW X7 xDrive40i M Sport comes with a price of ₹1.31 Cr and Audi Q8 e-tron 50 is priced at ₹1.15 Cr. BMW X7 xDrive40i M Sport equipped with 2998 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC engine whereas Audi Q8 e-tron 50 has Not Applicable Cylinders Inline, Not Applicable Valves/Cylinder, Not Applicable