Carbike360 comprehensive Audi e-tron 55 Technology and Audi RS Q8 Performance 4.0L TFSI 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 Audi RS Q8 Performance 4.0L TFSI is priced at ₹2.49 Cr. Audi e-tron 55 Technology equipped with Not Applicable Cylinders Not Applicable, Not Applicable Valves/Cylinder, Not Applicable engine whereas Audi RS Q8 Performance 4.0L TFSI has3996 cc, 8 Cylinders In V Shape, 4 Valves/Cylinder, DOHC