Headed to Canada soon. Last trip was 20MPG overall, ~70MPH on the interstate with Yakima's largest Sky Box on top. I get >24MPG at 63MPH with my canoe on top. I'll set the CC at 70MPH this trip, nothing extra on top. I'm very happy with my fuel economy, it's about 33% better than my '08.
Tow package fuel economy
- Thread starter Capt John
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Traditional
Member
I drive 60 percent highway and avg. 19.8. I had a,16 ram eco diesel, that I avged 26. The baby diesel was fine but hard to pass on country roads. If they get the diesel to 350hp and 450 lbs of torque would be a game-changer.
TheDoug
Full Access Members
My heavy right foot is the biggest problem for my in town has mileage. I don't go far and all my weekly driving is surface streets so I get 15mph if I am lucky. On long trips I get 21. (I never use eco mode)
As a test once, I babied the throttle for a week in town and was able to get 18mpg per the onboard computer.
As a test once, I babied the throttle for a week in town and was able to get 18mpg per the onboard computer.
Doug Morgan
Active Member
What were you towing on that trip?
shane_th_ee
Full Access Members
Our travel trailer. It’s 22’3” long, but ~6000lbs fully loaded. And it was fully loaded for that trip.
Zig10
Full Access Members
The biggest shortcoming of this platform while towing, to me, is the small gas tank (even on the Max). When you're getting a whopping 8.6 MPG, an extra 4-5 gallons makes a big difference.
That said, unloaded we usually see 19-20 MPG on the highway, which is fine by my standards for a vehicle of this size with a 9k tow rating.
m3bs
Well-Known Member
Agree on the fuel tank size. I almost bumped up to the Max for that reason alone.
Jason Bell
Member
Glad someone posted this because I was curious. 2019 Max 4x4 with tow package, 3.73 axle. Only 1700 miles. Ready Lift with 34" tires. Around town and mixed highway use, around 14mpg. On the highway with the cruise set at 80 around 15 mpg. But I experimented with setting the cruise at 65mph for about 40 miles on the highway and was getting 21-22mpg. Clearly the speed makes a big difference for me (and the tires, perhaps the lift). I was expecting a little better but did feel good about seeing the 21mpg for the short bit at 65mph. Does the MPG improve much as the engine get more broken in? I have not figured out a way to reprogram the speedometer for the tires - so I'm traveling about 5% farther than the odometer thinks. Adding 5% to 20MPG is really 21mpg. I have NOT manually calculated the MPG, just going off of the computer. Being realistic, I'm Overall pretty happy with my MPG, my 2008 with about the same tires and lift averages about 10-12mpg with less power. But I was hoping for more. It could be too that I'm actually getting a lot better then the computer thinks, maybe the taller tires confuse it more than I think.
To maximize economy, your speed on a flat stretch of the highway should be maintained with no boost. Boost should be only needed for hills, passing, etc. but majority of driving should be with off boost.
Now, this highly depends on wind. Headwind would require reducing the speed to a max. of 70mph (may be 65mph) to obtain a reasonable fuel economy.
In Oklahoma, driving south on the I-35 you would be lucky to get 18 mpg in strong wind doing more than 75 mph. Driving north on the same stretch of highway I get 23-24 mpg doing 75 mph.
Now, this highly depends on wind. Headwind would require reducing the speed to a max. of 70mph (may be 65mph) to obtain a reasonable fuel economy.
In Oklahoma, driving south on the I-35 you would be lucky to get 18 mpg in strong wind doing more than 75 mph. Driving north on the same stretch of highway I get 23-24 mpg doing 75 mph.
I agree completely! wish there was an option for a larger or secondary tank.
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