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View Full Version : GMC 2500HD w/ 6.0 gas


PLS-Tx
10-05-2011, 02:41 AM
I'm thinking about getting one. I know the mpg wont be great but I'm only getting about 7.5 with my Dodge 6.7 diesel. :dizzy:

The Dodge does good for a truck on the hwy empty, but I have a 8.5X20 enclosed behind it most of the time.

Avg mpg is 11.1. :cry::cry:

I'm done with diesel, with all the emissions junk they are putting on them it kills the mpg and causes other problems.

So, does anyone pull an enclosed trailer with a 2500HD 6.0? How does it it do and what is your mpg?

justanotherlawnguy
10-05-2011, 04:22 AM
I've got one and pull a 8.5x16 daily and get 8 mpg religiously! I also have 33" tires that do not help either. No hills here, the 6.0 tows great. I've had this trailer for about 5 years and am hoping to get 200k miles out of my truck (currently at 133k).

Btw, if anyone needs tires, I highly recommend nitto dura grapplers, switched over to HT from AT. What a difference!!!
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4 seasons lawn&land
10-05-2011, 09:18 AM
I tow my 6 ton mini with it. It runs out of chassis before motor. If your having trouble pulling it, you probably shouldnt be pulling it.... in my case its my only truck and only vehicle.

Mowingman
10-05-2011, 09:28 AM
I had 2 of the 2500 GMC's with the 6.0 gas. Terrible fuel mileage just driving around, and worse pulling a heavy trailer. I pulled a 16' enclosed trailer loaded with my stump grinder, and tools and supplies. The trailer grosses out at 6,900#. Trucks pulled it just fine, but ave. fuel mileage when towing around this area was 8-9MPG.
I got rid of them pretty quickly. now, I have a F250 with the V10 gas engine. Pulls great and mileage when towing, averages 11.
Go figure. Bigger engine, but better fuel mileage.
The 6.0 was weak when towing my 20' gooseneck loaded with a Bobcat CTL. The V10 pulls it better than my old 7.3 Powerstrokes did.

LibertyFarmLandscaping
10-05-2011, 12:08 PM
I'm thinking about getting one. I know the mpg wont be great but I'm only getting about 7.5 with my Dodge 6.7 diesel. :dizzy:

The Dodge does good for a truck on the hwy empty, but I have a 8.5X20 enclosed behind it most of the time.

Avg mpg is 11.1. :cry::cry:

I'm done with diesel, with all the emissions junk they are putting on them it kills the mpg and causes other problems.

So, does anyone pull an enclosed trailer with a 2500HD 6.0? How does it it do and what is your mpg?

I had one I sold 2 years ago. 11 to 12 empty and 7 to 8 loaded. You would have some savings with the gas being cheaper than diesel. If you could get out of your Dodge without losing too much money. Is it an auto or manual? My brother gets about 10 pulling and 16 empty with his 2010 3500 dually, pulling 12 to 15000 lbs, and it's a manual.

Have you looked into the DPF delete on your Dodge?

Oakleaf landscape
10-05-2011, 05:12 PM
I have a 6.0 in my 1500. I pull a 8.5x20 enclosed and it gets around 7-8mpg. Trailer weighs around 7000lbs with all the equipment and goodies in it. I was thinking about selling it and getting a ram 2500 lol.

FoghornLeghorn
10-05-2011, 06:55 PM
How are you guys getting 12 mpg unloaded and 7-8 loaded?

I have the 6.7 and get 21-23 hwy no trailer and 15-17 towing a 31 foot center console offshore boat or my work trailers. You guys must be driving the living hell out of your Dodges!

LBA1999
10-05-2011, 10:24 PM
I have a 2003 GMC 2500 HD with a 6.0. It is a great plow truck. Have 410 rear reg. cab long bed. If your going to plow with it you will def. need rear bags to level the truck after cranking up the front torsion bars. As far as towing, I have towed my 20' deckover with a 4000# tractor, a 7000# farmall antique tractor, and numerous equipment and suburbans, trucks, etc. I have also towed my 12k dump trailer with probably 14-15k of weight in it many times and it doesn't like it. It tows okay but rides rough I need rear bags the 6.0 pulls the load but is working. If you are in a hurry you will have to floor it. mileage is 10 empty around town, 14- 15 on the highway and WAY less than that with a load. with the trailer you have my truck would prob. get 6-7 mpg and you will not have the power you are used to with that Cummins. You should get way better mileage than you are. Is the truck modded or chipped. A chip, emissions delete, and exhaust may go a long way to solve your mileage problems. Cummins trucks get great mileage and your truck has way more power than a 6.0

LibertyFarmLandscaping
10-05-2011, 10:58 PM
How are you guys getting 12 mpg unloaded and 7-8 loaded?

I have the 6.7 and get 21-23 hwy no trailer and 15-17 towing a 31 foot center console offshore boat or my work trailers. You guys must be driving the living hell out of your Dodges!

Is everything stock or do you have the emissions stuff taken off with a tuner/programmer?

Oops, didn't see the last post before I posted this.

sideliner
10-06-2011, 12:57 AM
I have a 2011 6.o gmc crew it gets 16 mpg hiway empty and between 8-11 towing. I tow 10-15000 lbs with it. I also have 3 2007 lbz duramax trucks and they average about 10-20% better fuel mileage than the 6.0 The 6.0 tows well when you get into the higher rpms. it does not tow like the diesel but I paid almost 10k less than new diesel. No DEF no $75 oil changes and no $100 fuel filter changes every 12500 miles.

slamjamrockinman
10-06-2011, 01:48 AM
Ive towed some stuff with mine. 30' camper, 773 in dump trailer, 28' enclosed racing trailer. Some bags would be nice in the rear. Has towed everything I have asked it too. if its not a windy day, you can slip out of T/H and keep it right under 2k rpms at about 55-60 on the highway, then you can see some decent mileage. I have done that with a skid loader in dump trailer, but it doesn't seem to work with my camper, especially with wind. Seems to start gear hunting. Towing enclosed/campers around town is fine, just expect 8-9mpg as stated above. How about this, ditch the cummins and get a DMAX!!!

PLS-Tx
10-06-2011, 02:24 AM
Ive towed some stuff with mine. 30' camper, 773 in dump trailer, 28' enclosed racing trailer. Some bags would be nice in the rear. Has towed everything I have asked it too. if its not a windy day, you can slip out of T/H and keep it right under 2k rpms at about 55-60 on the highway, then you can see some decent mileage. I have done that with a skid loader in dump trailer, but it doesn't seem to work with my camper, especially with wind. Seems to start gear hunting. Towing enclosed/campers around town is fine, just expect 8-9mpg as stated above. How about this, ditch the cummins and get a DMAX!!!

Nope, no DMAX, I'm done with diesel.

8-9 towing my 20' enclosed trailer around town is as good or better than I'm getting now.

As far as delete for the emissions junk, I checked into it. About $1300, if I keep it that's what I will do.

Thanks for all the replies, keep them coming.

zak406
10-06-2011, 11:56 AM
I would do a delete on.the diesel and you will be ten times happier not to mention she will run better 1300 is cheaper than what a new truck would run!
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Mowingman
10-06-2011, 12:41 PM
I am done with diesel also. That is why I went with the F250 with a V10. The new diesels are too expensive to buy, too expensive to maintain, and do not get the fuel mileage that the older diesels cold get. I will hang on to my 02 Dodge/ 5.9 Cummins diesel 3500 forever. But, no new diesels for me. The V10 is a great engine for towing. It is too bad you can no longer get that engine in a 3/4 ton Ford. I suggest looking for a 2010 F250 with the V10. Hard to find, but I think it would be just the type of truck you arte looking for.



Nope, no DMAX, I'm done with diesel.

8-9 towing my 20' enclosed trailer around town is as good or better than I'm getting now.

As far as delete for the emissions junk, I checked into it. About $1300, if I keep it that's what I will do.

Thanks for all the replies, keep them coming.

mowerbrad
10-06-2011, 08:35 PM
You are obviously going to notice a big difference in power...which I'm sure you already know.

The 6.0 in my '07 chevy actually does pretty well. The most I've towed with it was about 7000 pounds, open trailer with 4' sides, and it actually did pretty well. I typically tow 5000-6000 pounds with it and it seems to do quite well. I average 8-9 mpg while towing, I could probably do a little better if it were more highway towing. Around town is 14mpg and highway is 17mpg.

I've been happy with it. Seems to have enough power and pretty easy to maintain.

tomsyardcare
10-06-2011, 08:42 PM
Is everything stock or do you have the emissions stuff taken off with a tuner/programmer?

Oops, didn't see the last post before I posted this.

can u explain how I can crank up my torsion bars? I have heard of this to raise front end especially when plowing as it sits a bit low

mybowtie
10-06-2011, 11:39 PM
I just switched from a 07 nbs chevy 2500 dmax. I liked the truck, power and the diesel. However the DPF was a PITA and the cost to get it "cleaned" when the regens didnt work for some reason was $700. That happened twice from 55k to 75k..(just after the emmissions waranty expired at 50k) Happened a third time the 2 days before the dealer delivered my 2011 3500 6.0 dump. I couldnt bring myself to buy another new diesel with even more emmissions crap on em then my 07.

That being said I have towed 15K with my 6.0. It did well..not diesel well, but I was surprissed it did as well as it did. I nornally tow 3k 95% of the time, so the gasser fits nicely, and i get 9-10 around town towing 3k.

joed
10-08-2011, 11:20 PM
I have a 2011 6.o gmc crew it gets 16 mpg hiway empty and between 8-11 towing. I tow 10-15000 lbs with it. I also have 3 2007 lbz duramax trucks and they average about 10-20% better fuel mileage than the 6.0 The 6.0 tows well when you get into the higher rpms. it does not tow like the diesel but I paid almost 10k less than new diesel. No DEF no $75 oil changes and no $100 fuel filter changes every 12500 miles.

How much mpg does your 2011 get in the city, unloaded?

sideliner
10-08-2011, 11:35 PM
I live in a rural area. Most of my driving is 35- 50 mph and the 6.0 unloaded gets 13-13.5. It is a crew cab 4x4.

PLS-Tx
10-09-2011, 01:07 AM
I have decided to get a 1/2 ton instead of a 3/4 ton.

We are planning to buy a box truck with the 6.0. I don't think I will need a 3/4 ton after we get the box truck.

If the 1/2 ton can't handle the 8.5X20 enclosed trailer I may trade it for a 7X16.

I don't think I will be pulling a trailer enough to justify the 3/4 ton.

Here is was I'm planning to get. 2011 Chevy 1500 LT, crew cab, white, w/5.3L V8.

The window sticker says it get 15/21 mpg.

LibertyFarmLandscaping
10-09-2011, 10:05 PM
I have decided to get a 1/2 ton instead of a 3/4 ton.

We are planning to buy a box truck with the 6.0. I don't think I will need a 3/4 ton after we get the box truck.

If the 1/2 ton can't handle the 8.5X20 enclosed trailer I may trade it for a 7X16.

I don't think I will be pulling a trailer enough to justify the 3/4 ton.

Here is was I'm planning to get. 2011 Chevy 1500 LT, crew cab, white, w/5.3L V8.

The window sticker says it get 15/21 mpg.

I have an f150 with the 3v 4.6. It runs circles around my dads 5.3l gmc in power and 2 to 3 mpg better in fuel. The gm engines are long over due an update. I would strongly suggest demoing both trucks hooked to your trailer and make the decision the same as you would a mower. I kept the Ford overnight and couldnt beleive the difference in it vs my dads 5.3. Now with the 5.0 L in the Ford you have more power with the same mpg. I had a 3/4 ton that I kept after it was paid off to use a few times a month when I really needed it and bought a 1/2 ton 2 years ago. It has worked out great for me.
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SNAPPER MAN
10-09-2011, 11:15 PM
The 5.3 is incredibly weak. I would not recommend it if you are going to be towing with it. I had a 2010 Chevy 1500 z71 and the truck was a joke. I traded it for a tundra with the 5.7l and couldn't be happier. Truck tows like my diesel used to. My work truck is a 1994 Chevy 1500 with a 350 and it also tows considerably better than the 5.3 did. The 5.3 is a great cruising engine but not made for towing imo.
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PLS-Tx
10-10-2011, 01:51 AM
The 5.3 is incredibly weak. I would not recommend it if you are going to be towing with it. I had a 2010 Chevy 1500 z71 and the truck was a joke. I traded it for a tundra with the 5.7l and couldn't be happier. Truck tows like my diesel used to. My work truck is a 1994 Chevy 1500 with a 350 and it also tows considerably better than the 5.3 did. The 5.3 is a great cruising engine but not made for towing imo.
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What are you pulling with your Tundra?

SNAPPER MAN
10-10-2011, 12:54 PM
I pull a 16' landscape trailer with 4' sides. I only use the tundra when I do landscaping and I can load the truck with 10 yards of mulch and it pulls easy. I've also pulled a skid steer with it and had no trouble braking or anything. If your going Chevy I'd get a 2500 with the 6.0, the new ones have a 6 speed auto so they get pretty good mileage when not towing.
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fatguy28
10-10-2011, 01:06 PM
you r all nuts i have a 09 3\4 ton 6.0 and it tows great the only time i ever even noticed i was pulling anything i put 5 yards of topsoil on my trailer.

slamjamrockinman
10-10-2011, 02:05 PM
Newer chevys Ive heard do not tow well due to different gear ratio in the rear diff. My buddy has a newer burban 1500 (5.3), I think it is a 2009 and they hate it for towing their 26ft race car trailer. He tells me that there older yukon xl (2001 i think) with the 5.3 and 3.73 gear ratio did much better. I guess the newer ones are geared for mileage, I wanna say the ratio is a 3.93 or something?? Someone which more knowledge should chime in on this.

LibertyFarmLandscaping
10-10-2011, 04:55 PM
I pull a Scag Turf Tiger and Snapper Pro s50x on a 16ft with 2ft sides with my F150. My 2 man crew pulls the 2 other Turf Tigers I own with the 3/4 ton 2 to 3 days per week.

AuburnHort2005
10-10-2011, 05:25 PM
Newer chevys Ive heard do not tow well due to different gear ratio in the rear diff. My buddy has a newer burban 1500 (5.3), I think it is a 2009 and they hate it for towing their 26ft race car trailer. He tells me that there older yukon xl (2001 i think) with the 5.3 and 3.73 gear ratio did much better. I guess the newer ones are geared for mileage, I wanna say the ratio is a 3.93 or something?? Someone which more knowledge should chime in on this.



The higher the number on the rear axle ratio the lower the gear is and the more weight it can pull.

The newer ones are geared for better mileage. You can get them that have as high as a 3.08, 3.23 and kind of in the middle with a 3.42. The new 2011 3/4 ton Burbs have the 6.0 and 3.73 gearing option.

Deori
10-10-2011, 09:25 PM
Hey Liberty,
What kind of mpg are you getting with the 3v 4.6? Towing and unloaded?

I have an f150 with the 3v 4.6. It runs circles around my dads 5.3l gmc in power and 2 to 3 mpg better in fuel. Posted via Mobile Device

LibertyFarmLandscaping
10-10-2011, 10:23 PM
Hey Liberty,
What kind of mpg are you getting with the 3v 4.6? Towing and unloaded?

18-21 empty and 12 to 14 pulling, 3:55 rear end.