pretty bad
Typical Repair Cost:
Average Mileage:
80,650 miles
Total Complaints:
3 complaints

Most common solutions:

  1. not sure (3 reports)
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problem #3

Feb 242023

Sierra 1500 Denali Ultra 6.2L

  • Automatic transmission
  • 28,885 miles

The truck is currently at the dealership, and in the process of tearing the engine apart to find the problem. I think it will require a new set of lifters or a cam or even a new engine....

Update from Mar 16, 2023: Still waiting for GM to supply the lifter manifold so repairs can get under way, after a week and a half with no transportation, I'm getting impatient. The Dealership has been very nice to work with, too bad the parts are so scarce from GM...

- Michael W., Osseo, MN, US

problem #2

Jan 162022

Sierra 1500 SLT 5.3L

  • Automatic transmission
  • 123,004 miles

Really sad that we as Americans would sell a weak motor and compromise our reputation.

- pauliedlc, Las Cruces, US

problem #1

Jan 012022

Sierra 1500 SLT 5.3L

  • Automatic transmission
  • 90,000 miles

8 spd transmission has been a problem. Clunky, TOrque converter shutter, paint peeling on my roof just above the windshield, maybe like 8-10" dia. paint just blowing off. Now the lifter noise clacking with the engine. It's been the worst vehicle I have ever owned. They need to take care of their loyal customers or the loyal will go elsewhere for a new truck.

- Jeff H., Hayesville, NC, US