The Yamaha FZ 25 is distinguished among the different models of Yamaha FZ for its exceptional fuel efficiency, as it achieves an impressive actual mileage of 50.33 kmpl. Conversely, the Yamaha FZ-FI V3 is regarded as the least fuel-efficient model, averaging approximately 49.3 kmpl. The average mileage across all Yamaha FZ models is documented at 50 kmpl.