Just pulled my 4500# camper from TX to FL with my 2018 SCREW. 65-70mph in Tow/Haul yielded 10.5-12 mpg, normally I get 16-18 at Cruise Control 70-75 AC on. As mentioned above and from numerous revolutions of the Earth behind me, “if thou presseth pedal to floor, gas goeth out all the more!”
Smokey
Smokey