Carbike360 comprehensive Audi e-tron 55 Technology and BMW iX xDrive 40 comparison based on the price, specification, fuel efficiency, features and more. Audi e-tron 55 Technology comes with a price of ₹1.25 Cr and BMW iX xDrive 40 is priced at ₹1.21 Cr. Audi e-tron 55 Technology equipped with Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable engine whereas BMW iX xDrive 40 has Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable