Forum Discussion
Ride_S40T
Apr 02, 2019Explorer
owenssailor wrote:
In flat no high headwind conditions I get around 10 MPG (US) towing our 30 foot trailer that weighs 6800 loaded.
RPM is 2100 in 7th gear. Towhaul mode is engaged.
Truck is 2017 Silverado 5.3 8 spd 3:42 axle.
RPM can go up to 3000 on grades, occasionally higher on 6% or more with headwind.
^^^ Identical on the 2018 1500 Sierra w/5.3 and 3.42 we had.
Buddy has a 2017 Silverado (same setup) and similar weight trailer. Also gets 10 mpg.
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