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Old 02-19-2015, 02:01 PM   #1
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Chevy Silverado 3500HD questions

I will be buying a new tow vehicle at the end of the year and have some questions. I currently have a 2005 Palomino Stampede SLSD with a dry weight of about 4100 lbs. I am currently driving a 2003 Chevy Silverado Z-71 extended cab with a 5.3L V-8. The truck pulls the camper no problem but I get a whopping 9- 9.5 MPG. I am looking to order a new Chevy Silverado 3500HD Crew Cab, long bed, with the 6.2L gas engine and 6-speed transmission. My question is what kind of gas mileage are current Chevy owners getting? I was considering the Duramax, but I can not afford the additional cost and in the event of breakdown, diesel mechanics are not always available. I know that a 3500HD is alot of truck to pull my current camper, but I also do electrical work and it will also be used as a work truck, and if we decide to get a bigger camper down the road, I don't want to have to get a new truck. Any insights into the new Silverados would be greatly appreciated. Thanks,


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Old 02-19-2015, 04:42 PM   #2
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I don't think you can get the 6.2L in anything over a half ton. The 6.0 L is what you get in the heavier trucks.


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Old 02-19-2015, 04:59 PM   #3
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I have a 2013 2500 HD, it has the 6.0 motor, 6 speed transmission, with 3:73 gears. Extended cab with 8 ft bed. I'm pulling a 32 ft V Cross VTS. 7600 pds sticker guessing 8500-9000 loaded. I'm getting 8-9 pulling trailer, crusing 62 mph. Unloaded on a good day downhill both ways about 14 tops. Hope this helps. Click image for larger version

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Old 02-19-2015, 11:00 PM   #4
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You won't get any better mileage with that truck towing than your current one. And when not towing your mileage will also be worse. As stated above it will come with the 6.0 not the 6.2. Not trying to burst your bubble but would hate for you to have high expectations of better mileage when it won't be.
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Old 02-19-2015, 11:27 PM   #5
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As stated above fuel mileage in a gassed will not be good. I know you mentioned not wanting a diesel but my 2014 duramax 3500 is getting 20mpg highway (hand calculated). You have warranty initially or you could buy older used diesel and the money saved on payments could be set aside for repairs.
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Old 02-20-2015, 05:35 AM   #6
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if you want better mileage, get the diesel. I get 18-22 when not towing and 12 towing a 36 ft 5th wheel.
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Old 02-20-2015, 06:01 AM   #7
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As others have stated, the 6.2 is not offered in the HD chassis set. Engineering says that HD's need an iron block gas engine.

With that said, I don't have any experience towing with the DI 6.2 that is currently offered in the current 1500 series trucks but I do have experience with DI 5.3. My '14 1500 Silverado gets 9-10 mpg pulling our now sold 25' Mallard 25J that weighs about 5,000. Plenty of power even in the hills. I had '11 and a '13 1500 with the L92 6.2 and it was a complete beast! It rarely needed 4th gear to drag the mallard over most anything. It also got the same mileage loaded. However, my '14 gets 21-22 unloaded where my L92's would never get over 18.
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Old 02-20-2015, 06:15 AM   #8
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Ford offers a 6.2 in their 3/4 ton and I believe dodge offers a 6.4 gasser in their 3/4 ton as well. You will get better towing mileage with the diesel, and the power is like a drug. If you don't tow much or very far, the gasser would be hard to beat.
Sent from ny nook using fairly accurate digits.
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Old 02-20-2015, 06:16 AM   #9
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I don't have a 3500 but with 2500's, I have spent less maintaining my 2011 Duramax than I did my 2005 GMC 2500 gasser with the 6.0. Both bought a year old and both daily drivers. The duramax get almost as good mileage towing (11-12) than the gasser did empty (13-14). I was never a diesel fan, but got a great deal and now I will never go back. Good Luck in your search!

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Old 02-20-2015, 06:17 AM   #10
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I have a 3500 Chevy .With a diesel. and I'm pulling a C. C. 38FL with lists at 16500 .getting about 10 to 11 pulling .empty getting 20 on highway doing 65 .good truck it's a 2013 dully .does any 1 know how big the def tank is ?I was told it was 5 gals. and it gets about 5000 miles to a tank.

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