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  #21  
Old 12-07-2019, 07:30 AM
Slim03 Slim03 is offline
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Got a buddy with a 621 ranger and he pulls with a GMC with the 6.2 handles it fine and much better than his 5.3 did. I think his mileage wasn’t anything to brag about maybe 12-13 and was similar to my Silverado with a 5.3 towing an 1850 tyee. This would have been on a 600 mile run to Canada with both trucks and boats loaded and running 75 plus on the interstate. I just bought a 2019 Silverado with the 6.2 so will be interested to see how it does on mileage vs my 5.3.
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  #22  
Old 12-07-2019, 08:07 AM
icspinner icspinner is offline
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Quote:
Originally Posted by B-man View Post
You mean 6.0???

The 6.2 is pretty new to the game
The Max Towing Package included the 6.2L engine and 6-speed transmission, along with other towing enhancements. Got that info straight off of the window sticker, still in the glovebox. I did a brief research, looks like GM started the 6.2L in the 2010 models. My guess is that it came with the towing package for awhile, might be different now.
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  #23  
Old 12-08-2019, 01:25 AM
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muskyman73 muskyman73 is offline
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Thumbs up 6.2

I have the GMC 6.2 2017 8 speed and its a great towing vehicle. Mileage is good too. I like the heated seats too
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  #24  
Old 12-08-2019, 08:27 PM
muskyed muskyed is offline
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Keep in mind that the new Chevy and GMC's from 2018 on, have reduced their gas tank to 24 gallons. Not so great if you tow a 20' + glass boat long distances. You'll be spending a lot of time in gas stations. I have been a 35 year + GM truck owner, and made the switch to Ford because of this. Always loved my GM's, but 24 gallons on a truck for towing is just unrealistic. I've had GM's, and fords eco boost, gas and diesel on GM, and towing a #5000 + boat with a gas truck at 75 mph, and getting 15-17 mpg, just isn't realistic unless you have a 30 mph tailwind. Diesel yes, but not gas, just isn't happening.
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  #25  
Old 12-09-2019, 10:38 AM
peter8 peter8 is offline
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In 2010 I bought a GMC with the 6.2, 6 speed and Max tow package to replace a 2006 HD Duramax. Highway mileage between the 2 pulling my 193 Warrior were very similar. When pulling my much heavier Bobcat the Duramax got around 2mpg better but the 6.2 was very capable. In 2017 I upgraded to a 6'8" bed crew cab with 6.2 and 8 speed max tow. Pulling the same boat my mileage increased by about 2 mpg. I got 15.5 on my last 700 mile trip with the Warrior. It pulls the Bobcat as well or better than the Duramax. I now have a Lund 219 and average over 14mpg when towing. For comparison I also own a 2017 regular cab 5.3 6 speed trans. The drop off to the 5.3 is evident. It gets about 3mpg less towing the 219 and 3-4 mpg less on the highway when not towing. As most of the people that have answered agree ....go with the 6.2...and Enjoy!
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  #26  
Old 12-09-2019, 12:03 PM
frozen fish frozen fish is offline
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Quote:
Originally Posted by peter8 View Post
In 2010 I bought a GMC with the 6.2, 6 speed and Max tow package to replace a 2006 HD Duramax. Highway mileage between the 2 pulling my 193 Warrior were very similar. When pulling my much heavier Bobcat the Duramax got around 2mpg better but the 6.2 was very capable. In 2017 I upgraded to a 6'8" bed crew cab with 6.2 and 8 speed max tow. Pulling the same boat my mileage increased by about 2 mpg. I got 15.5 on my last 700 mile trip with the Warrior. It pulls the Bobcat as well or better than the Duramax. I now have a Lund 219 and average over 14mpg when towing. For comparison I also own a 2017 regular cab 5.3 6 speed trans. The drop off to the 5.3 is evident. It gets about 3mpg less towing the 219 and 3-4 mpg less on the highway when not towing. As most of the people that have answered agree ....go with the 6.2...and Enjoy!
I agree with the above totally. I had a 2011 Sierra with the 5.3l/6 speed. I now have a 2017 Sierra 6.2l/8 speed. The 2017 has lots more power and gets better fuel economy than the 2011.
The 6.2l is the right choice. I've owned 6 trucks, the 2017 GMC Sierra is the best truck I've owned.
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