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Old 05-15-2019, 06:43 AM   #1
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15 and up chevy gmc

What are your mpg with the 6.0 and how whats your trailer size.
15 6.0 with a 38ft 10k trailer
E85 6mpg maybe 7 if i catch a nice down hill lol
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Old 05-15-2019, 06:46 AM   #2
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I get 12mpg towing a 36' 9klb trailer with a 2500HD diesel.
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Old 05-15-2019, 06:49 AM   #3
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I get 12mpg towing a 36' 9klb trailer with a 2500HD diesel.
He was asking about the 6.0 gas. If your is like my GMC, it's a 6.6 diesel.
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Old 05-15-2019, 07:15 AM   #4
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I get 12mpg towing a 36' 9klb trailer with a 2500HD diesel.
Thats gd to know, debated the diesel but my short drives would kill the truck, and for the times i towed didnt think i needed it.
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Old 05-15-2019, 08:36 AM   #5
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7 mpg gas vs 12 mpg diesel. Figure 2,500 miles towing, $2,80/gal for gas, $3.05/gal for diesel. That will cost you ~$150 per year more for the gas. Not that much difference over the duration of those 2,500 miles.
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Old 05-15-2019, 08:44 AM   #6
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Gas is 1.90 for me. My longest drive is 10 miles. Constant stop and go. diesel is 3.15 to 3.20 by me. I would love the extra pull power, she does it but she loves to scream which is ok at times.
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Old 05-15-2019, 11:16 AM   #7
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7 mpg gas vs 12 mpg diesel. Figure 2,500 miles towing, $2,80/gal for gas, $3.05/gal for diesel. That will cost you ~$150 per year more for the gas. Not that much difference over the duration of those 2,500 miles.
That's only one factor in having a gas vs diesel engine. The initial cost is higher. Diesel engine maintenance is typically more, but can be reduced if you do it yourself and look for supplies on sale. Longevity of the diesel is typically way longer and resale is almost always higher.
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Old 05-15-2019, 12:38 PM   #8
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Originally Posted by cmysstailights View Post
What are your mpg with the 6.0 and how whats your trailer size.
15 6.0 with a 38ft 10k trailer
E85 6mpg maybe 7 if i catch a nice down hill lol
You'll see an improvement if you run anything other than E85.
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Old 05-15-2019, 01:07 PM   #9
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I get 10-12 pulling a 27 ft 7K trailer with my gas 2015 Chevy 3/4 ton
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Old 05-15-2019, 02:27 PM   #10
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That's only one factor in having a gas vs diesel engine. The initial cost is higher. Diesel engine maintenance is typically more, but can be reduced if you do it yourself and look for supplies on sale. Longevity of the diesel is typically way longer and resale is almost always higher.
Resale value is higher because the price started off higher. It's not like you spent 9 grand for the diesel option and get 11 grand at resale for that option..

While the diesel motors can last longer than a gas motor the emissions crap isn't. Good buddy at work always talked about how long his motor would last...and it is but boy the cost he just put into to replacing some emissions crap and fuel injectors .

There is a reason fleets that used to be diesel are switching to gas...

Is there something in diesel fumes that causes a compulsion to type on threads about gas trucks?
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I get a little better than 7mpg towing a 12.5 foot tall trailer weighing about 9,500lbs. It gets a better if I drive slow like the diesel guys (62ish) but when conditions are good (light traffic and good visibility) I like to drive 73-75mph. My truck pulls that speed at about 2800rpms in in first overdrive (5th) most of the time and will pull some hills without downshifting. With a headwind it doesn't take much hill to drop one gear.

Anyone else with this combination notice that hand calculated mileage is actually better than the computer when towing? This is the first vehicle I've had that was pessimistic on the mpg calculation.
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