The 2020 GMC Sierra 3500HD has 45 owner-filed NHTSA complaints and 8 recalls on record. The most-reported areas are power train and electrical system. Owners most often flag transmission failures (10-speed automatic): valve body and control module failures, parts on national backorder, affects newer models (2020+). frequency: recurrent.
Source: NHTSA complaints and recalls filed for 2020 GMC Sierra 3500HD vehicles (US, public record).
Across the 6 Sierra 3500HD model years we track, complaint volume runs from 40 (2024) to 358 (2007). With 45 complaints, the 2020 Sierra 3500HD sits belowthe model's median of 74.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
latches/locks/linkages:hood:latch
Campaign 20V142000General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The hood-latch striker wires may not have been heat-treated properly, possibly causing them to fr…
seat belts
Campaign 20V792000General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500…
air bags:side/window:curtain:inflator
Campaign 20V446000General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser c…
seat belts:pretensioner
Campaign 19V814000General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. Whe…
Sentiment is mixed and heavily dependent on model year and powertrain. There is a strong, positive consensus regarding the long-term durability and capability of older generations, particularly the 2001-2007 models with the Duramax diesel…
Owner insights cover all generations of the Sierra 3500HD. See the full Sierra 3500HD owner picture and every model year.
Used Sierra 3500HD listings typically run $36,576–$50,193 across 2008 to 2024 model years.
Compare every Sierra 3500HD year side by side to see how 2020 ranks against the rest.