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Discussion in 'Trucks and Trailers' started by OhioMowerGuy, May 28, 2008.
What are you cummins guys getting for fuel mileage city, highway, and towing?
Hwy & City towing 12-13 MPG
Hwy non towing 23.0
City non towing 18.0-19.0
12 - 14 City Towing and around 21 - 22 Highway.
Mine is a '99 3500 (Beast)
2007 dodge 3500 double cab longbed dually 4x4.
City non towing: 18-19
Highway no tow: 22-24
Towing a 21000 trailer 12-14 sometimes more.
04 2500 crew cab 2wd just turned 50-K and broke through the 19 mpg barrier. City driving, no towing, avg. 500 lb cargo. Last time I towed it was about 14 city, when I am running the A/C I loose another mpg.
Hi-way - 21-22
city - 18-20
13MPG average towing 13,500GTWR city with the air conditioning on max
16MPG average towing interstate.
I can never get a true non-towing MPG average always towing something with each tank of diesel. If i had to guess it would be maybe max 18MPG
I am going to call BS on anything over 21MPG; because Diesel Power magazine has done a MAX MPG diesel challenge yearly, with diesel truck owners all over the county entering. The winner had over 10,000 dollars in engine modifications; which got a regular cab 2wd Durmax 21MPG no trailer highway. The overhead computers are not that accurate, Diesel Power has tested those what a joke.
My computer display always reads at least 1 mpg less than actual.
Actual numbers, not computer display on 2006 2500 quadcab 4x4 auto trans with dump insert:
highway under 70mph: 20-22 (going slower than 60 will also decrease your fuel mileage... WEIRD)
City empty: 17 (depending on idle time)
Towing city (with 5k lbs. on trailer and full load of mulch or grass clippings): 11-15 depending on how many stops and again, idle time.
Towing highway: No idea, don't do enough of it.
Average plowing in winter with dump insert still installed and 1050 lb. Boss plow: 12
12v 1995 20-21 highway 16-17 in own