Carbike360 comprehensive Audi RS e-tron GT Quattro and BMW M4 Competition comparison based on the price, specification, fuel efficiency, features and more. Audi RS e-tron GT Quattro comes with a price of ₹1.94 Cr and BMW M4 Competition is priced at ₹1.56 Cr. Audi RS e-tron GT Quattro equipped with NA engine whereas BMW M4 Competition has2993 cc, 6 Cylinders Inline, 4 Valves/Cylinder, DOHC