Do you want to find out which car is the best, Audi A6 or Audi A5 S5 Sportback ? CarnBikeCafe brings you a detailed comparison between Audi A6 and Audi A5 S5 Sportback . Audi A6 Price starts at Rs.61.00 Lakh (ex-showroom) for E 1.2L Kappa 5-Speed MT and Audi A5 S5 Sportback Price starts at Rs.75.00 Lakh (ex-showroom) for Smart 1.2 5 Speed. 6100000.00 is cylinder, 1197 cc Engine can generate 83 bhp @ 6000 rpm power whereas 7500000.00 is a cylinder, 1199 cc Engine can generate 118.27 bhp @ 5500 rpm power. In terms of mileage, Audi A6 provides a mileage of 17.5 kmpl (base model), and Audi A5 S5 Sportback has a mileage of 17.44 kmpl (base model).