Carbike360 comprehensive BMW iX xDrive 40 and Audi Q8 e-tron 50 comparison based on the price, specification, fuel efficiency, features and more. BMW iX xDrive 40 comes with a price of ₹1.21 Cr and Audi Q8 e-tron 50 is priced at ₹1.15 Cr. BMW iX xDrive 40 equipped with Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable engine whereas Audi Q8 e-tron 50 has Not Applicable Cylinders Inline, Not Applicable Valves/Cylinder, Not Applicable