Owners of the Dodge 6.7 liter diesel : take heart. My 2008 now has over 15,000 miles on it. Over the past couple of days gallivanting around Colorado without towing, we filled our tank in Fairplay, drove to Buena Vista, up to Leadville, back to Buena Vista, and down to Salida where we filled up. A total of 138 miles on 6.1 gallons. Hand calculated as 22.8 mpg. Best before has been 18 point something. I was gonna be on cloud nine if I could get to 20 mpg. Can you guess how I feel about 22.8? Speed varied between 45 and 60 mph, probably at 55 most of the time.
RRUGG
2008 Dodge 2500 QC 4x4 SB Cummins 6 speed auto 3.73
1997 Holiday Rambler 29FK travel trailer
2006 Summit 22RB travel trailer
2003 Dodge Grand Caravan Sport
Bob & Grace professional retirees
Good Sam life members
You have an advantage over my 2007.5 Dodge 3500 w/6.7L engine. Mine is stick, whereas your auto tranny has an extra overdrive gear which I'm sure helps improve mileage. Of course, driving slower is the big key to saving fuel and you drive very much like me: about 60 MPH or less. You're mileage is pretty exceptional compared to many other 6.7L owners who have posted on various forums. I'm pretty pleased with mine too, considering all the emissions stuff they've added to the engine, not to mention the vehicle weighs about 8,000+ lbs. All in all a nice truck, IMHO.
Mr. Ed (fulltiming since 1987)
2007 Hitchhiker II LS Model 29.5 LKTG
2007 Dodge Ram 3500/6.7 CTD/QC/4X4/SB/SRW/6-speed man/Big Horn edition
If on the hills you get better mileage. At least how I think. YOu burn some more going up but get a lot better going down.
And the Average MPG police on here are bad. If you burned XX gallons and drove XXX miles then you averaged XX.X mpg. There's no real need to average over a bunch of tanks unless your claiming "my truck averages XX mpg" . For that tank you did really well. Sweet, I have a buddy with one of those 6.7s and I can't wait to see how they turn out, they've got big shoes to fill.
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