Yamaha YZF R15 vs Yamaha YZF Yamaha YZF R15 S Version 1.0 is the more fuel efficient one with a claimed mileage of 45 Kmpl while the claimed figure for Yamaha YZF R15 V2.0 is 40 Kmpl. Yamaha YZF R15S is priced at Rs 1, 28, 790 ( On road, Delhi) while Yamaha YZF R15 is the costlier one priced at Rs 1, 30, 829 ( On road, Delhi) . YZF R15 is available in 3 colour options while YZF R15S has 3 colours to choose from. YZF R15 churns out a power of 17 PS @ 8500 rpm while YZF R15S produces 16.58 PS @ 8500 rpm.