1. Honda Dream 110 (2005): Up to 110 mpg
2. Suzuki GSX250R (2005): Up to 85 mpg
3. Yamaha YBR125 (2005): Up to 80 mpg
4. Kawasaki Ninja 250R (2005): Up to 75 mpg
5. Hyosung GT650R (2005): Up to 65 mpg
6. BMW F650CS (2005): Up to 60 mpg
7. Triumph Bonneville (2005): Up to 55 mpg
8. Harley-Davidson Sportster 1200 Custom (2005): Up to 50 mpg
9. Ducati Monster 620 (2005): Up to 45 mpg
10. KTM 690 SMC (2005): Up to 40 mpg
Please note that actual gas mileage may vary depending on riding conditions and individual riding style.