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Old 04-29-2015, 03:01 PM   #1
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North Barrington , Illinois
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New Chevy Silverado 2500 Diesel

I am thinking of getting a Silverado 2500 Diesel. Anyone have one and what is towing mileage for an AS 25'? Thanks, George
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Old 04-29-2015, 07:04 PM   #2
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With my FC25 I averaged right at 13 mpg, give or take. Funny but I am seeing the same numbers towing my 2015 Classic from NJ to Colorado this week.
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Old 04-29-2015, 11:16 PM   #3
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our 2012 Dmax, 4x4, crew cab, Allison tranny.. standard box... I have had 9-14MPG between Arkansas, Texas, Louisiana so far.. You can see our 34' in my avatar camping near Morgan City, Louisiana...

I love the tow. With a 25' you may not 'need' the WD.. but, having one which also eliminates 'sway' will make your towing life much more fun.
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Old 04-30-2015, 09:29 AM   #4
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2007 30' Classic (~9000# loaded). In TV, roughly 1000# of people and gear/toys.

Consistently 12 - 12.5mpg (throwing out exceptional highs and lows.
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Old 04-30-2015, 12:02 PM   #5
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2500 Duramax

George, I have a 2015 2500 HD Duramax 4x4 and a 2015 FC 28 Rear. Just towed up from Tampa to Atlanta and averaged 13 mpg at 70 mph. I use the ProPride hitch.
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Old 04-30-2015, 12:41 PM   #6
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Pull a '73 31' International, usually loaded to around 6700 lbs, with a 2009 2500HD Duramax 4x4 and get around 12-15 mpg depending on speed and terrain. Without Airstream, mileage is between 20-22 on highway.
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Old 04-30-2015, 12:41 PM   #7
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We don't have any new ones, but we do have many ranging from 2005-2011 and they all get 12-13 mpg towing nearly 14,000# trailers.
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Old 04-30-2015, 12:51 PM   #8
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You have good taste in vehicles! We bought the 2015 2500 Chevy diesel last summer n love the truck! Keep in mind that if you're in a cold climate you MUST let it warm up. We're in MN. We had some 20 below weather this year n if u don't let it warm up the computer gets a hiccup n literally won't let u shift into drive. Nothing. Nada. About three minutes to warm up does the trick. Last month we bought a 30' 1964 sovereign. Dug (yes the truck has a name) pulled her like she wasn't even there. The hubby did comment that sway bars will likely b needed for the highway. hubby says mpg pulling AS was 15.5 +/- Prior to Dug we had a half ton Chevy 2013 gas that was horrible pulling a 26' rented non AS (prob 5000lbs) camper. We were being blown all over the road n the engine sounded like it was over-revving. Dug is bigger gets better mpg than the smaller gas truck for everyday driving. Gas truck got 7mpg pulling and 13 for everyday. Dug got 15 pulling n averages 17-18 for everyday. Would never believed it if I hadn't seen it myself. Good luck with ur search!
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Old 04-30-2015, 01:31 PM   #9
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Wait for the little orange squiggly glow plug light. In our warm climate we hardly ever see it.


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Old 04-30-2015, 01:47 PM   #10
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We have a (new to us) 2012 Duramax 2500HD with a crew cab, standard box and ARE cover. This is our first cross country trip with the truck. From Virginia to Colorado we experienced about 12-13 mph towing our 2011 Flying Cloud 30. We use the tow/haul mode and try to hold about 65 mph. We also use cruise control and seldom did the truck downshift out of 6th gear. We are very pleased that we traded our 2500 Suburban in favor of the truck. Good luck.
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Old 04-30-2015, 02:25 PM   #11
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We just finished a trip to West Texas and return. We were pulling 20 ' car trailer with a car so about 6,000 lbs. 15.3 on the return. It was 14 something going. Pulling the 30' Classic is close to the same. My truck is 2WD not 4WD.
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Old 04-30-2015, 03:04 PM   #12
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Pull a 79 31ft w/2002 GMC duramax get 15/16 @ 65mph w/ cruise
rolls like a dream.
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Old 04-30-2015, 04:41 PM   #13
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We pull our 2012 FC 27FB with a 2012 Crew Cab GMC 2500 HD with the Duramax diesel. On non interstate highways we get between 13 and 15 mpg depending on wind, hills, towns, etc. On the interstates we get 1 to 2 more mpg. I usually hold the speed to between 60 and 65. Once, while driving into a paint pealing head wind (30 kts with much higher gusts) we dropped all the way down to around 10 mpg.The truck hardly knows the trailer is behind us most of the time, even in cross winds and strong headwinds. Goes up and down hills with no effort. On the open road I usually drive with cruise control on and other than on some really steep hills I don't remember it down shifting.
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Old 04-30-2015, 06:43 PM   #14
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Thanks everyone for the great information. It will make going ahead with the 2500HD purchase allot easier. By the way StalesStream, we live in Chicago so I know what you mean by warming the truck up first. :-) George
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