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What 28 owners told NHTSA about the 2023 GMC Sierra 2500 Hd
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
1 of 28 complaints match · Body & structure · clear filters
Apr 3, 2025Body & structure
The contact owns a 2023 GMC Sierra 2500. The contact stated that his son informed him that there was a puddle of water in the rear seat. The vehicle was taken to the dealer, where it was diagnosed that the upper track for the rear sliding window was fractured on both sides, causing water to leak inside the vehicle. The dealer determined that the rear window needed to be replaced; however, the part was on backorder. The vehicle was not repaired. The manufacturer was notified of the failure and case was filed. The failure mileage was approximately 21,000.
NHTSA ODI 11652530
Working with the data? Download all 28 complaints as CSV · fetched from NHTSA July 19, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your
pre-purchase inspection list. Back to the
full 2023 GMC Sierra 2500 Hd verdict →