Real world MPG, what are you getting in your Diesel?

[Kpunk'n]

3200 miles so far, average is 21.5 mpg with a lot of highway miles At 75-80 mph, 35 KO2’s winch and Rock Hard mid-width steel bumper probably doesn’t help.

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[Wageslave]

I have been averaging about 27.7MPG in mostly highway driving in a 2021 Gladiator Overland Ecodiesel. I did manage to get 30.9MPG on a trip to the national forest with some light trail riding and hilly highway driving.

 

[Slojo]

How to kill mpgs. Start with a brick, lift the brick higher in the air, put bigger off road high resistance rollers on the brick... this has happened to every Jeep and truck I have owned. If you value mpgs, don't buy a brick. I think having anything with 'wrangler' on it getting low 20s is amazing.

 

[RE383209]

I had the Stock aluminum wheels for roughly 3000 miles was getting 26.2, swapped for Willy set of wheels and tires and MOG is pretty consistent so far even with the M/T

 

[ScottLars]

This was a full day trip to Jeep Adventure Academy at Windrock park outside of Knoxville, TN. Approximately 300 miles and 5-1/2 hours at highway speeds (65-80mph) on very hilly section of I-75 in KY and TN. The other few miles and 4 hours was offroading, crawling, idling, etc. I think the 24.5 mpg is very respectable.

 

[Saltymedic]

On stock set up and 4k miles on the odo I'm doing 24.5 around town regularly and on a 3hr hwy trip I did 28mpg coming and going. No flatlands, mostly hilly and mountainous.

 

[JayKrup]

Running 37 KO2’s

 

[High Octane]

Two weeks ago I took a trip across southern MN, all flat lands at 55-65 mph. 365 miles. I got a tremendous 33 MPG. Then I did another trip fro SD to ND , all flat lands at interstate speeds 75-80 mph. 390 miles averaged 26 mpg. I’m pretty amazed at those numbers.

 

[RobertRinAustin]

Running 37 KO2’s

And you averaged about 75 mph. That's really impressive, even if your trip computer is a little optimistic.

 

[JayKrup]

And you averaged about 75 mph. That's really impressive, even if your trip computer is a little optimistic.

Yea, I set the cruise control for the most.. the computer has been recalibrated to the 37s also, I get a range of 458 miles on tank.. I’ve been very happy with the Diesel so far no problems, I know I’m only at 10k.

 

[sbach66]

2021 Overland diesel, running Falken Wildpeak ATs, 275/65/18s, stock wheels, no lift. Just over 10,200 miles, run 50 miles per weekday to/from work, mostly at about 75. Showing 25.5 mpg on the dial.

Did just run up from Orlando to Charleston and then on to just outside Galveston/Pigeon Forge on vacation. Riding around in the Smokies (not trails). Per the Fillup app, ran 1,769 miles over 9 days, 25.13 MPG.

 

[Free2roam]

Mathematically calculated mpg is 25.4 403 when I filled up put in 15.86 I usually fill up in the same manner. Wait till it clicks off then add an extra 1-3 dollars. Mixed driving 55-75 mph mountains some trail/fire road driving and back and forth to work. Can't complain at all.

 

[TheSolarWizard]

Up 27.3 according to fuelly

 

[rchandler341]

Here is today’s run. Up over three mountain passes. One at 10,000ft. Mixed speeds 65-40 mph. 3.73 gears on 2021 Rubicon with 2” Mopar lift and 35x12.5 tires. It just keeps getting better. The range is great at around 600 miles per tank

 

[HANNAMAN74]

Man, y'all are killing me with these posts. I'm beginning to wonder if mine is defective. LOL. I have only seen 22 mpg once. Averaging about 20 mpg with mixed driving.
Stock except for 35" BFG KM3's, and Tazer Mini to adjust tire size. Granted I only have a little over 1,000 miles on it, so hopefully it will improve as it breaks in.

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