Fuel mileage on duramax with sled deck?

[mwboondockers]

I have a 2006 Duramax and I am trying to figure out what it will cost to drive out to Cooke City with it, with my sled deck. Does anyone have any idea what kind of mileage I can expect to get with it with 2 sleds on the deck and driving 80mph. Thanks

 

[Bacon]

Don't expect very good milage. I had an 04 d-max and a 08. Doing 80 you might get 10 mpg. There is a lot of wind resistance with two sleds sticking up in the air. I thought the milage would be better, but it ended up being only a couple mpg's better than pulling an enclosed.

 

[barry1me]

Don't expect very good milage. I had an 04 d-max and a 08. Doing 80 you might get 10 mpg. There is a lot of wind resistance with two sleds sticking up in the air. I thought the milage would be better, but it ended up being only a couple mpg's better than pulling an enclosed.

Wow that's surprising. Thanks for that information. I figured you could at least get 12-13. How does the 04 do vs 08 duramax? I can 10 with my f150 pulling a clamshell at 80

 

[Bacon]

The doing 80 part is what will kill you on milage. If you backed down to 72 or so, you could probably get 12. Seems like everytime I go out west there is a 25 mph head wind to deal with which doesn't help. I'm sure someone will come on here claiming to get 16mpg with a deck on. That has not been my experince or several others I have talked to.

 

[mwboondockers]

Thanks. That is kind of what I expected to hear. I have an enclosed 4 place and I get about 9 with that. Thanks for the info.

 

[sexton]

ive got an 05 with 265s, kodiak mp, and mbrp 4" running from Hot Springs to Lead SoDak(200 miles roundtrip) running anywhere from 45 through the national park to 70 i usually get 13-14. If i get a head wind it can cut the mileage down to 9ish. Thats with 2 151 summits.

 

[tree climber]

any mods? i have an 05 dirty with 35's full turbo back 4" exhaust and edge cts race and also a kodiak mouth piece and i get 12-14 at 80 with a 37' enclosed with 5 sleds inside

 

[opcruzer]

I have an 04.5 with 20's and 285's and have been to colorado twice and the hills once and I have averaged anywhere from 10-13, depends on the weather 1 or 2 sleds, 75 or 80 (makes a big difference there). I can get 20-22 in the summer months with my truck and the efi live tuning it has at 62-67mph. The weight of 2 sleds, gear, deck, and assorted crap adds up along with the extra wind resistance.

 

[mwboondockers]

I have 4" turbo back exhaust,k&n air intake kit, 265/75-16 tires and bullydog powerpup on the tow/econ. setting. I haul 5 sleds in my enclosed and get 9mpg.

 

[AndrettiDog]

I have a 2006 LBZ Duramax and seldom get less than 13mpg. If I go 70 mph I can get 17 with two sleds on back. The 4wd kills you as well. I have a programmer and exhaust so I might get a mile or two better than stock.

However, the benefit of a sled deck isn't really the mileage. It's the convenience of not towing a trailer on the road, putting weight on your rear axle for icy conditions and not dealing with parking a trailer. I seldom use my cover unless the conditions are really sloppy.

The truck isn't weighed down as much as it looks here. The camera angle is deceiving. I do run about 15-20 lbs in my airbags with two sleds.

 

[WingNutRacing]

hmm

Haven't had the deck on the dmax yet, but I'm thinkin it'll do better than my 6 litre did..

 

[skibreeze]

I just completed a 2,000 round trip to Cali with an 08 Duramax and a 4 place enclosed and got 10.0 mpg. Was only 80 for probably 1/4 of the trip if that.