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mwlewis
Atlanta Braves Fan
JeffCo
Member since Nov 2010
19277 posts

Anyone with a current gen GMC Sierra and leveling kit?
Long story short the dealer I bought my GMC Sierra SLT from is doing 2 inch leveling kit installs that don't void factory warranty. Problem is they don't have good pricing on tires so everyone get the kits installed and then goes somewhere else to have the tires installed cheaper. So the dealer didn't have any input on what tire size to run and told me to google what size tires to run.

I've been trying to research online and on some forums what tire sizes work best with a 2" level but most are with Chevy trucks that have a little wider wheel well so they can fit larger tires easier or a ton of AT4's which already have a factory 2 in suspension lift.

Anyone have an experience with these trucks and what tires to run?


Success
Member since Sep 2015
1185 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
What year is current gen you’re asking about?


mwlewis
Atlanta Braves Fan
JeffCo
Member since Nov 2010
19277 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
Anything 2019+. Mine is a 2020.


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RichJ
LSU Fan
The land of the CoonAss
Member since Nov 2016
1782 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
33"x12.50"-20


BorrisMart
LSU Fan
La
Member since Jul 2020
3837 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
I see leveled chevy's around here with 35's. I know for a fact you can put 35/12.5/20s on a 2" leveled Ford with stock wheels. I'm sure you run a 33-35 if you wanted to, or get in to a metric size that is the height you want but a little narrower so its not rubbing anything on inside parts. Be sure to check the tire company's website for the spec sheet on the specific tire you are wanting because they aren't always true to size.


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13
LSUDUCKMAN67
DTB
Member since Sep 2020
99 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
I would run a 295/60 R20 or a 285/60R20.


reds on reds on reds
Mandeville
Member since Sep 2013
3149 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
I have a 2019 with 2” level. Had 295/60/20 Ridge Grapplers that fit well and didn’t rub except for full lock to the left. Now have 295/60/20 Trail Grapplers and they rub like a bitch.


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10
ABNRanger
USA
Member since Sep 2013
79 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
2020 AT4 with 2 inch lift and leveled. I run 35x12.50R20 sized tires. Both installed by the dealer when purchased.
This post was edited on 4/22 at 3:44 am


TheNolaClap
LSU Fan
Flip Flip Flipadelphia
Member since Jun 2012
1054 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
I would go with 295/60/20 as well. You might have a little rub at full lock in reverse. 285/60/20 if you want to be sure to not have anything.


BorrisMart
LSU Fan
La
Member since Jul 2020
3837 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
quote:

I would go with 295/60/20 as well. You might have a little rub at full lock in reverse. 285/60/20 if you want to be sure to not have anything.


a Ridge Grappler in 295/60/20 and 295/65/20 are the same width 11.77" but the 65 is 35.12" tall where the 60 is 33.94" tall. Something to consider, if you wanted to go taller. same basic price as well.


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lsufan1971
LSU Fan
Zachary
Member since Nov 2003
11103 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
I have a 2020 SLT with 1.5" level. Running Procomp wheels (don't know the offset) with 285/60/20 KO's. No rubbing. These were the biggest I could go without doling major cutting.


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TroyHenley
USA
Member since Oct 2014
42 posts
 Online 

re: Anyone with a current gen GMC Sierra and leveling kit?
What lift and leveling kit did you put on your AT4?


ABNRanger
USA
Member since Sep 2013
79 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
Rough country lift and level kit. added Bilstein shocks and nitro ridge grappler tires. Mitch at Legacy GMC added them to truck as part of purchase.


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10
24nights
LSU Fan
Louisiana
Member since Apr 2012
3214 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
Aftermarket level kits don't void the warranty, tell your dealer to read up on the Magnuson Moss warranty.


BorrisMart
LSU Fan
La
Member since Jul 2020
3837 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
that and they have to "prove that the leveling kit caused the specific issue." A true lift kit will void warranty, however, you can have your dealer do it and they can warranty it. Same with a level, if you are worried about warranty stuff, talk to the dealer you got it from, if they don't give you an answer you like call a different GMC dealer. Alot of these dealers are selling trucks pre leveled and lifted, some even sell them with cut crash bars (wouldn't recommend).


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21
mwlewis
Atlanta Braves Fan
JeffCo
Member since Nov 2010
19277 posts

re: Anyone with a current gen GMC Sierra and leveling kit?
quote:

I would go with 295/60/20 as well. You might have a little rub at full lock in reverse. 285/60/20 if you want to be sure to not have anything.

This is exactly the info I was looking for. I did see a write up about removing a bracket and pulling mud flaps back. If that isn’t too much work and I may do that and get 295’s. I’m glad to hear that the 285’s are a safe option.


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