I have been pulling my equipment trailer for my business with an F150 3.5 Ecoboost for 3 years now and averaging about 8.7mpg on 87 octane. I got rear-ended last week and the Ecoboost will be in the body shop for at least two weeks so yesterday I rented a brand new F250 diesel to fill in. Does anyone want to hazard a guess on the what my fuel economy with the diesel will be? I am sure that I will find it very interesting.The trailer is a 22' flatbed deckover with 60hp tractor, stump grinding attachment and front end loader. The tires are water filled. I have never weighed it but I am pushing the 11,200lb tow rating of the F150. I mostly drive 2 lane county roads with rare forays on the interstate and then only for a few miles.Both trucks are crew cabs with 6.5ft beds and 4wd so fairly even there. I am going to try my best to drive the same. The EcoBoost was never power limited and don't expect the diesel to be either.

I just did a 800 mile trip through the rocky mountains hauling a similar load to yours (18' trailer, skid steer with implements. My SRW 3500 returned 12.2 mpg. I am with ShinerBock, 11-11.75 mpg

Does your rental agreement permit towing?

philh wrote:Does your rental agreement permit towing?Yes, I rented from Enterprise Commercial and specifically asked for a truck that could safely tow 12,000lbs. I left the parking lot towing my Ranger on a dolly. They even helped me hook it up.

philh wrote:Does your rental agreement permit towing?Who cares....myob imo

F150 Ecoboost vs F250 Diesel mileage | Good Sam Community

ShinerBock
Explorer
May 14, 2019
11.25 mpg
Bigfoot_affair
Nomad II
May 14, 2019
I just did a 800 mile trip through the rocky mountains hauling a similar load to yours (18' trailer, skid steer with implements. My SRW 3500 returned 12.2 mpg.

I am with ShinerBock, 11-11.75 mpg
philh
Explorer II
May 14, 2019
Does your rental agreement permit towing?
Groover
Explorer II
May 14, 2019
philh wrote:
Does your rental agreement permit towing?

Yes, I rented from Enterprise Commercial and specifically asked for a truck that could safely tow 12,000lbs. I left the parking lot towing my Ranger on a dolly. They even helped me hook it up.
Grit_dog
Navigator
May 14, 2019
philh wrote:
Does your rental agreement permit towing?

Who cares....myob imo
Grit_dog
Navigator
May 14, 2019
Same guess 11-12mpg. Potentially a shade better if you're driving economically (tough to do with a truck that will smoke some cars from a dig, while towing the tractor!)
Slick_Rick
Explorer
May 14, 2019
I own both engines, Ecoboost in a 2018 Expedition and a 2015 F350 PSD/SRW. I use the truck to haul a 3000lb truck camper, no towing. I get about 10-12 mpg. But of course diesel is more expensive than 87 octane.
twodownzero
Explorer
May 14, 2019
I am willing to bet the F250 gets better mileage pulling the same trailer than the ecoboost.
PNW_Steve
Explorer
May 14, 2019
A bit over 4000 miles on our last trip pulling a 29' TT. We averaged 15.7 mpg for the trip with our Ram 3500 5.9 and 6 speed manual transmission.
Groover
Explorer II
May 14, 2019
Well, I did 70.7 miles today and stopped at 3 customers. The trip computer is showing 1:59:40 for time so I wasn't hotrodding with an average speed of just over 35mph. It is also showing 11.1 mpg. At 15 miles into the trip I got on the interstate with the computer showing 10.1mpg. I did 10 miles of fairly hilly road with the cruise control on 66mph and the mileage increased to 10.7mpg so I was pushing 12mpg for that stretch. It seems like the diesel has more advantage at speed than it than it does going slow. The fuel cost per mile is about a wash so far but I will have the truck for about another 3 weeks so I collect more data. All of my trips are different but this one was fairly typical.

So far my favorite advantage of the 3/4ton is not have to mess with the torsion bars when hitching the trailer.