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ANewCreation's avatar
ANewCreation
Explorer
Nov 29, 2014

Estimated MPG for Ford F350 Diesel w/373 rear end

Hello everyone, I have a question. I am looking to buy a 2015 Ford F-350 Power-stroke with a 373 rear end and would like to know the estimated MPG difference between it and a 2015 F-350 Diesel with a...
Tow Vehicles
Community Alumni's avatar
Community Alumni
Dec 10, 2014
My 2011 F-350 6.l diesel, SRW, gets 22 MPG on highway trips where we run at 55 MPH (90 km/h). Tapers off to about 17 at 70 MPH.

Towing our 38'/13,000 lb. 5th wheel at 55 MPH gives us a shade over 12 MPG.
Russwolford's avatar
Russwolford
Explorer
Sep 08, 2024

That’s about what I get with the same setup.

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