2019 Sierra AT4 level/wheel/tires mod

asalinasz39 · August 8, 2020

1.5” motofab level
Cooper Evolution MT 295/70
Zero rub

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Fsu96 · August 26, 2020

So is the motofab 1.5” safe on a 2020 AT4?

MTindall · September 15, 2020

285/65/r20 Nitto Ridge Grapplers - No lift - No spacers - Stock wheels

That's 34.8" Diameter

It fits - no rubbing

NonTypicalCPA · September 16, 2020

17 hours ago, MTindall said:

285/65/r20 Nitto Ridge Grapplers - No lift - No spacers - Stock wheels

That's 34.8" Diameter

It fits - no rubbing

Looks great! I am going to leave my at4 as is without a level or lift. Can anyone compare the Nitto Ridge Grapplers to K02's? I had K02's on my '18 and liked them. Never had the NRG's.

MTindall · September 16, 2020

23 minutes ago, NonTypicalCPA said:

Looks great! I am going to leave my at4 as is without a level or lift. Can anyone compare the Nitto Ridge Grapplers to K02's? I had K02's on my '18 and liked them. Never had the NRG's.

I had K02s on my last truck and I hear slightly less Road noise from the NRGs.
That being said - there is no guarantee the noise insulation on the trucks themselves isn’t different.

Dani2005 · September 16, 2020

285/65/r20 Nitto Ridge Grapplers - No lift - No spacers - Stock wheels

That's 34.8" Diameter

It fits - no rubbing

Why would some AT4s come with 20s while others come with 18s? Which package dictated the difference? I have the AT4 with 18s and alot of posts are of 20s...[emoji1745]

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TripleBGM · September 17, 2020

18s are OEM standard 20s are an OEM option

Dani2005 · September 17, 2020

18s are OEM standard 20s are an OEM option

Thanks!

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Jgreene11 · September 18, 2020

On 6/19/2019 at 6:01 PM, Canmaverick said:

Just picked up My new At4! And loving every minute of it!

20x9 Fuel’s

275/65R20 KO2’s

Did u throw a lift/ level kit on this. Or is this factory??

Jason Rebellion · September 22, 2020

I have a 2020 SLT with the AT4 lift. I threw on a set of K02s 275/65R20 today and it’s got plenty of clearance. I think if I do the 1” level on top I could squeeze 35s on.

LKGRenegade22 · September 22, 2020

I've read and read and I am still unsure.

I know I want to go with BFG KM3's on my bone stock 2020 AT4. IN 285 width they only come in 55 ratio which I don't want because I don't want to go smaller. I can't decide if I should just stay with the 275/65/20 or try the 295/60/20. Even the stock 275/60/20 Goodyears are only about 5/8' from the control arm.

baconK5 · September 28, 2020

I read a lot on here before buying wheels and tires but never found exactly what I needed, so I thought I'd post my results for someone in the future.

I didn't want 20x10s because they stick out so far and because the tires always seem to rub. I did wanted to get out from under the wheel well a LITTLE, but was limited in wheels that I liked and available offset. Decided to go 20x9 +1mm offset.

For tires I wanted wider, and a little taller, but wasn't obsessed with max height. I don't like when tires are stuffed inside, and I HATE when tires rub. Why spend $50k and then have tires grinding into plastic or worse yet, cut your truck up to clear tires? Ended up going 295/55-20 BFG ATs. I could have possibly run 295/60s, but was not willing to risk rubbing and no returns once mounted. I've seen others run 295/60, but not on a +1 offset. Now that I have these in there, going 295/60 with this offset would have likely rubbed. 285/60 was also an option, but quite a bit more expensive and like I said, I cared more about width than height.

End results are great. No rub and has about 1/2" clearance at full lock leaving room for articulation off road with no run. The +1 offset left plenty of room for the upper control arm. Tires are about 1/2" outside fenders.

Mileage took a hit with these heavy ass tires, but I'm pretty happy with the look. For reference, this is a stock 2019 AT4 with a rough country front level kit.

mattsvtcobra · October 7, 2020

From what I'm reading on here and a FB group, it seems that no one is having a problem with the Motofab 1.5 lift. Has anyone experienced an issue? Like ball joint,etc.

asalinasz39 · October 7, 2020

25 minutes ago, mattsvtcobra said:

From what I'm reading on here and a FB group, it seems that no one is having a problem with the Motofab 1.5 lift. Has anyone experienced an issue? Like ball joint,etc.

I have had the 1.5” level for a year now and about 12k miles. I would still like to upgrade the UCA just because of the failure’s I have seen on FB but you are correct all the one’s I have seen failed are 2” level spacers which is what may be helping my controls stay okay so far. Hope it stays that way until I upgrade

mattsvtcobra · October 8, 2020

53 minutes ago, asalinasz39 said:

I have had the 1.5” level for a year now and about 12k miles. I would still like to upgrade the UCA just because of the failure’s I have seen on FB but you are correct all the one’s I have seen failed are 2” level spacers which is what may be helping my controls stay okay so far. Hope it stays that way until I upgrade

I've had mine on for a while now, almost a year and a ton of miles... with no issues. For sure the ones I've seen are 2inch RC ones. Only 2 or 3, but there was also a guy with a completely stock truck with an issue. About to need tires and was about to go a little beefier ones.