Carbike360 comprehensive Audi Q8 e-tron 50 and BMW X7 xDrive40i M Sport comparison based on the price, specification, fuel efficiency, features and more. Audi Q8 e-tron 50 comes with a price of ₹1.15 Cr and BMW X7 xDrive40i M Sport is priced at ₹1.31 Cr. Audi Q8 e-tron 50 equipped with Not Applicable Cylinders Inline, Not Applicable Valves/Cylinder, Not Applicable engine whereas BMW X7 xDrive40i M Sport has2998 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC