- Messages
- 1,071
- Reaction score
- 1,497
- Points
- 197
- Location
- Prescott Valley, AZ
- Boat Make
- Yamaha
- Year
- 2008
- Boat Model
- SX
- Boat Length
- 23
I average around 15 MPG towing our boat with either of our 2016 2500 HD Duramax/Allison, mind you we live in the mountains so anywhere we tow has grades involved, have not done any flat land towing. Towing 11,500 Lb's with my tractor/equipment trailer is around 12 MPG.