6.7 mpg
Lead Driver
Joined: Nov 2005
Posts: 5,219
Likes: 4,223
From: Kaysville Utah
Barko4 If I run at 80 mph for extended distances. I avg 18.0- 18.5 mpg. On the occasional trip when I stay 65 mph for a couple hundred miles, I've gotten 22 mpg. But that is rare.
Towing, is 10.5 to 11 mpg pulling a 13,000 lbs gooseneck
Towing, is 10.5 to 11 mpg pulling a 13,000 lbs gooseneck
Freshman User
Joined: Jun 2014
Posts: 29
Likes: 0
From: Oregon
16 mpg overall average mixed city/highway - hand calculated (total miles driven divided by total gallons used). Gets about 9-11 towing 14,500 pound toy hauler. Truck is a 2012 4x4 SRW LB with 3.31 Rear axle.
Posting Guru
Joined: Sep 2009
Posts: 2,015
Likes: 4
From: Lakehills, TX
So much depends on where you are. In the mountains or the Kansas flats? Empty stock single cab or loaded down lifted big tires? Etc.
If Dodge is making any claims, it's best possible circumstances on their half ton, not the big trucks.
If Dodge is making any claims, it's best possible circumstances on their half ton, not the big trucks.
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Hotshot
Joined: Nov 2013
Posts: 10,107
Likes: 96
From: Hempstead, TX
That is their 3.0 Ecodiesel built by Fiat in their 1500 trucks. The 6.7 Cummins aren't getting that mileage.
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Posting Guru
Joined: Jul 2008
Posts: 1,057
Likes: 0
From: Florida
I'd be willing to bet their ecodiesel doesn't get 29mpg either.
Super Moderator
Joined: Aug 2008
Posts: 37,375
Likes: 1,860
From: Frederick, MD
remember that Dodge can't tow or haul very much either. It is a 1/2 ton was no payload due to the motor.
I have gotten 18.5 on a empty run recently to northern NJ and back. Pretty good for a 4x4 DRW if you ask me.
Towing is always around 10 due to the heavy 5th wheel.
I have gotten 18.5 on a empty run recently to northern NJ and back. Pretty good for a 4x4 DRW if you ask me.
Towing is always around 10 due to the heavy 5th wheel.
Hotshot
Joined: Nov 2000
Posts: 11,591
Likes: 14
From: Pflugerville, tx
Yeh!.. these big flat fronts are good wind catchers for sure.
Fleet Mechanic
Joined: Nov 2005
Posts: 1,899
Likes: 12
From: Upstate NY
Straight open road, no city, I'm at 20 to 21+mpg.
Running around with some stop and go, been anywhere between 14.4 -17 but normally ~16.
With the old and taller 5er, 12mpg, the new foot lower one is 13+ even though it is over 6' longer and 2500# heavier.
With the 14E03 reflash, so far the mpg seems 1-1.5 mpg better, but time will tell later when it gets warmer and I can drive more.
Unfortunately that mpg is far from the cost of driving these 'beasts' with $110 thirteen quart oil changes, 5 gallons of DEF ($25 @ Walmart) every 5K miles, $150 fuel filters (all if you don't/can't do the maintenance yourselves). You buy these trucks for one of two reasons - 1) you need 400Hp/800# tq to pull something heavy, or, 2) you just want a diesel truck
Running around with some stop and go, been anywhere between 14.4 -17 but normally ~16.
With the old and taller 5er, 12mpg, the new foot lower one is 13+ even though it is over 6' longer and 2500# heavier.
With the 14E03 reflash, so far the mpg seems 1-1.5 mpg better, but time will tell later when it gets warmer and I can drive more.
Unfortunately that mpg is far from the cost of driving these 'beasts' with $110 thirteen quart oil changes, 5 gallons of DEF ($25 @ Walmart) every 5K miles, $150 fuel filters (all if you don't/can't do the maintenance yourselves). You buy these trucks for one of two reasons - 1) you need 400Hp/800# tq to pull something heavy, or, 2) you just want a diesel truck
Laughing Gas
Joined: Jul 2010
Posts: 859
Likes: 10
From: North Carolina
Straight open road, no city, I'm at 20 to 21+mpg.
Running around with some stop and go, been anywhere between 14.4 -17 but normally ~16.
With the old and taller 5er, 12mpg, the new foot lower one is 13+ even though it is over 6' longer and 2500# heavier.
With the 14E03 reflash, so far the mpg seems 1-1.5 mpg better, but time will tell later when it gets warmer and I can drive more.
Unfortunately that mpg is far from the cost of driving these 'beasts' with $110 thirteen quart oil changes, 5 gallons of DEF ($25 @ Walmart) every 5K miles, $150 fuel filters (all if you don't/can't do the maintenance yourselves). You buy these trucks for one of two reasons - 1) you need 400Hp/800# tq to pull something heavy, or, 2) you just want a diesel truck
Running around with some stop and go, been anywhere between 14.4 -17 but normally ~16.
With the old and taller 5er, 12mpg, the new foot lower one is 13+ even though it is over 6' longer and 2500# heavier.
With the 14E03 reflash, so far the mpg seems 1-1.5 mpg better, but time will tell later when it gets warmer and I can drive more.
Unfortunately that mpg is far from the cost of driving these 'beasts' with $110 thirteen quart oil changes, 5 gallons of DEF ($25 @ Walmart) every 5K miles, $150 fuel filters (all if you don't/can't do the maintenance yourselves). You buy these trucks for one of two reasons - 1) you need 400Hp/800# tq to pull something heavy, or, 2) you just want a diesel truck
Realistically I see 17.5-18 mpg highway and 15.5-16.5 running around town. Still far better than the 6.2 I had before. I don't have one of those magical 20+mpg trucks either...