[sstmotorsports]

need some input on 03' 04' 3500 dually mpg both 2wd & 4wd
most response i see is 2500's !

tks

 

[jlemory]

need some input on 03' 04' 3500 dually mpg both 2wd & 4wd
most response i see is 2500's !

tks

What was the answer for mpg on the 3500 dually and do all durmaxs have allison transmissions? Is the 03 dually a 4 or 5 or 6 speed auto??

 

[STPETEBLUE]

What was the answer for mpg on the 3500 dually and do all durmaxs have allison transmissions? Is the 03 dually a 4 or 5 or 6 speed auto??

Five speed up thru '05. Six speed on '06 up.

 

[deepsouth]

10-11 in town. 13-14 highway. No mods. 8-10 under heavy towing like in my avatar and garage.

 

[greyhd]

14 unloaded, 9-10 pulling 9k.

 

[ShowMeDiesel]

Im getting 18/19 out of my 03 but I run a hyperpac on the high setting and drive no more than 73mph.

 

[stony1212]

I get 8 loded heavy and 12 bobtail. Thats at 90mph

 

[duramax man]

16mpg running with the windows up, A/C off and doing 60 on the freeway with a tailwind.

In reality look for around 12 in town and 13-14 on the highway unloaded. Add a trailer on the highway and I've been as low 8.5, but that was with 2 swamp buggies on a triaxle 10 ton trailer.

 

[Cole99]

Our 04 2wd LLY/ Alli gets 17-18mpg hwy empty 11-12mpg towing 13,000 if you take it easy but I've had it low as 9mpg loaded in high wind.

our 06 dont ask me what went wrong because I just get depressed thinking about sorry MPG it gets. 13-15mpg on average empty

 

[Gruber]

04 lb7 4X4. 35k miles 16 empty in town 12 with the camper on 9-10 camper on towing the boat. I drive around 70mph when I can

 

[AJSmitty]

Show me,
What is a hyperpac......I'm new to all this.
Smitty

 

[ct0218]

17-18 open road at 65-70, 9-11 towing 16K at 60-65. I don't check around town, not good for sure.

 

[FreeBird]

19 - 21 mpg doin' 63 mph windows down no a/c.
18 mpg doin' 70+ mph " "
10 - 11 mpg doin' 60 mph pullin' 39' Escalade Toy Hauler @ 18K lbs.

Just installed a 4" Silverline Exhaust, High flow Cold Air Intake & B&D Exhaust Brake.

 

[gramps]

I am getting the towing parts install this weekend so I can't comment on towing MPG. However, my unloaded MPG is:
- Last spring/summer (w/AC when needed) 17-19 around town and around 20 if just purely highway.
- When the diesel changed to the UL I did notice a drop, and have been logging aroung 15. However, I live in the north east (cold) and my commute did shorten considerably so the truck barely gets warm before shutting off.

Hope this helps.

 

[DURAMAX3500]

i get 12 all the time

 

[jeepj10jim]

14 around town, 15.7 @70 on long distance run, 13-14 @ 80+

 

[imkevdog]

17 unloaded,10 with 5er