I towed my 2011 275 with my father's 2016 Tundra ext cab 4WD with the smaller 4.6L V8 and it was... marginal at best. The frame can handle the boat but that engine cannot. Basically I validated the very different tow ratings that Toyota gives the 4.6 (6500 lbs) and the 5.7 (9900 lbs).