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Posted on 8/2/25 at 8:21 am to lsu xman
Honestly there was only a small window of GM SUV/trucks that were reliable and those stopped being made closer to 2010.
At least with Toyota had an issue they just stopped everything and replaced the engine completely for everyone instead of denying forever
At least with Toyota had an issue they just stopped everything and replaced the engine completely for everyone instead of denying forever
Posted on 8/2/25 at 8:27 am to lsu xman
We have a 2018 Yukon XL with the 5.3 with 170,000. It's been very reliable for us. The only major repair was 2 motor mounts.
Posted on 8/2/25 at 8:31 am to member12
quote:
6.2L anything is risky.
The L87 (6.2L) started having issues right around 2020. The going rumor is GM went to a cheap manufacturer during Covid for their crankshafts. These cranks have a very rough surface finish and some have been out of spec enough to impact the inside of the block. They also become oil starved and start spinning bearings. This video is illuminating:
LINK
The most interesting part is the 6.2L versions in the GM sports cars (the LT1 motor) have not had any of the same issues. So they either get worked more in the factory or have a completely different supplier for cranks.
Switch your oil to 0W-40 and pucker up and hope your crank doesn’t fail.
Posted on 8/2/25 at 8:47 am to lsu xman
I drive a 2018 Tahoe that’s at 114k miles with no issues. Has the 5.3
Had a 2012 before that that I sold with 150k miles and no issues.
I guess I’ve been lucky. I’ve loved my tahoes. Can’t beat the space but I would stay away from the 2021-2024 models especially the 6.2 engine. Not saying my model year is free of any issues but there seem to be a lot more problems with the 21-24’s
Had a 2012 before that that I sold with 150k miles and no issues.
I guess I’ve been lucky. I’ve loved my tahoes. Can’t beat the space but I would stay away from the 2021-2024 models especially the 6.2 engine. Not saying my model year is free of any issues but there seem to be a lot more problems with the 21-24’s
Posted on 8/2/25 at 8:51 am to bapple
quote:
The L87 (6.2L) started having issues right around 2020.
My 22 sierra with 6.2L locked up with 52k miles. I just got a new engine in it. 150k mile warranty on the bottom end of the engine. I'm hoping it makes it to that.
Posted on 8/2/25 at 8:52 am to Mstate
I have a 1500 Sierra Denali with the smaller engine 2019. Over 60,000 miles so far I’ve just done scheduled maintenance.
Posted on 8/2/25 at 8:53 am to lsu xman
Not jinxing our 2016 Tahoe.
For vehicle purposes, we’re buying old used. Don’t give a shite if it squeaks and rattles. Don’t want to pay for insurance in Louisiana, I’d rather give a local mechanic a few hundred every year
For vehicle purposes, we’re buying old used. Don’t give a shite if it squeaks and rattles. Don’t want to pay for insurance in Louisiana, I’d rather give a local mechanic a few hundred every year
Posted on 8/2/25 at 9:32 am to lsu xman
I had a 21 Tahoe. Lifter went out at 70k. Baton Rouge dealership kept it for 6 months and finally replaced the engine. GM covered 85 percent of the bill though it was out of warranty (they should have covered the whole charge in my opinion). Picked it up, drove it home, and the radiator hose blew off the next day. The replacement engine comes with 150k warranty. I left with the local dealership traded it for 24 6.2 engine Tahoe since they offered at the time an incredible trade value and told me the 6.2 didn’t have any issues like the 5.3. Now the 6.2 apparently does have defects which require an inspection and possibly an engine replacement but the dealerships don’t have the parts. I’ve read that the warranties will be extended on those engines however and are transferable. The ac went out and one of the speakers went out (all under warranty). I’ve been disappointed with these vehicles but I haven’t found good reviews on alternate options. I’d be hesitant to buy a used gm that didn’t have a long warranty. Certainly would not get a 21.
Posted on 8/2/25 at 9:41 am to LemmyLives
I have had 4 Yukons in last 15 years (2 currently) and have never had issues.
I must be the unicorn according to your assessment.
I must be the unicorn according to your assessment.
Posted on 8/2/25 at 10:36 am to honeybadger07
quote:
I have had 4 Yukons in last 15 years (2 currently) and have never had issues. I must be the unicorn according to your assessment.
So that means you sell them after 3-4 years. Some people keep vehicles longer than that.
Posted on 8/2/25 at 12:20 pm to lsu xman
I’ve owned two Chevy/GMC trucks in my life. One bought new, was a POS and traded it in within a year. Another one I bought with 24K miles on it POS as well. Traded that one in for a Toyota and have owned nothing but Yota ever since. No issues at all with Yotas.
YMMV but that has been my experience with them.
YMMV but that has been my experience with them.
Posted on 8/2/25 at 12:26 pm to BHM
quote:
My 2020 has been rock solid
Same, Yukon XL. other than motor mounts, which is just a dumb thing to under-engineer.
Posted on 8/2/25 at 12:32 pm to lsu xman
I have a 2018 Silverado 1500. Never had a single issue and kept it well maintained then the transmission went out at about 120,000 miles and had to have it rebuilt.
Posted on 8/2/25 at 12:34 pm to lsu xman
99-07 for life
Posted on 8/2/25 at 1:07 pm to TigersHuskers
quote:
99-07 for life
Probably the best for reliability but I’m still partial the the 90’s models. You still see a good bit of these driving around. Testament to the peak of American automakers. Maybe with the EPA changes our domestic automakers can get back to making reliable trucks/suv’s. We’ll see
Posted on 8/2/25 at 2:02 pm to lsu xman
I have a 2017 Denali and it’s had a few random problems but 100k in and it’s still drives fine.
Posted on 8/2/25 at 3:03 pm to The Torch
quote:
I bought a new Truck in 2023, it's almost embarrassing to admit what I paid for it vs what it's worth today.
As someone who has been looking at used trucks, I can say that it worth a hell of a lot today!
Posted on 8/2/25 at 3:06 pm to bapple
quote:
The L87 (6.2L) started having issues right around 2020. The going rumor is GM went to a cheap manufacturer during Covid for their crankshafts. These cranks have a very rough surface finish and some have been out of spec enough to impact the inside of the block. They also become oil starved and start spinning bearings.
The lifter issues from 3-4 years ago were 100% caused by oiling. The move back to an old school oil pump and away from a variable displacement oil pump on the 5.3L when they moved from the L83 to L84 was a game changer. It all but eliminated lifter issues in that motor. It still needs good maintenance and clean oil, but that’s every modern engine these days.
No idea why they didn’t do the same thing in the 6.2L V8. And on top of that they got their bearings from Mexico from that engine. The next gen will source them all from Michigan and New York plants - for both quality control issues and tariffs. Rumor is that the next gen V8 will have a defeat setting for cylinder deactivation, which may be an option on some models.
I have zero concerns for the current 5.3L L84 engine. It’s no 4.0L Toyota or 350 Small Block Chevy…..but it’s well above average by today’s standards and miles ahead of the L83 5.3L V8 from 2015-2023ish. I would not touch the 6.2L though. If I had one I’d run 0w-40.
Ford needs to ditch their variable displacement pumps in the 6.8L and 7.3L V8 Super Duty engines. It will solve their lifter issues immediately. Less familiar with the HEMI ticks or the Tundra’s bottom end issues but I’ve heard it’s also likely oiling related.
This post was edited on 8/2/25 at 3:10 pm
Posted on 8/2/25 at 4:59 pm to lsu xman
Yes they are horrible
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