AI DamageGMC Sierra: problems, complaints, bulletins
Summary for the GMC Sierra across 4 model years: 0 owner complaints and 360 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.7 L · petrol · turbo · 4 cyl 2019–2026
- 4.3 L · petrol · 6 cyl 1989–2021
- 4.8 L · petrol · 8 cyl 1999–2013
- 5 L · petrol · 8 cyl 1989–1999
- 5.3 L · petrol · 8 cyl 1999–2026
- 5.7 L · petrol · 8 cyl 1989–1999
- 6 L · petrol · 8 cyl 1999–2009
- 6.2 L · petrol · 8 cyl 2007–2026
- electric 2025–2026
- 3 L · diesel · turbo · 6 cyl 2020–2026
- 5.3 L · hybrid · 8 cyl 2004–2018
- 6 L · hybrid · 8 cyl 2009–2013
- 6.2 L · diesel · 8 cyl 1989–1993
- 6.5 L · diesel · 8 cyl 1994–1995
- 6.5 L · diesel · turbo · 8 cyl 1994–1998
- automatic, 1-speed 2025–2026
- automatic, 3-speed 1989–1990
- automatic, 4-speed 1989–2013
- automatic, 6-speed 2007–2022
- automatic, 8-speed 2015–2026
- automatic, 10-speed 2019–2026
- CVT 2009–2013
- manual, 4-speed 1989–1992
- manual, 5-speed 1989–2007
Drive: RWD, AWD, 4WD
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 160 |
| Electrical system | 0 | 0 | 95 |
| Powertrain | 0 | 0 | 34 |
| Engine | 0 | 0 | 30 |
| Engine and cooling | 0 | 0 | 28 |
| Fuel system | 0 | 0 | 28 |
| Steering | 0 | 0 | 14 |
| Structure | 0 | 0 | 13 |
| Wheels | 0 | 0 | 10 |
| Service brakes | 0 | 0 | 9 |
| Tires | 0 | 0 | 9 |
| Backover prevention | 0 | 0 | 7 |
| Suspension | 0 | 0 | 7 |
| Exterior lighting | 0 | 0 | 5 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- This informational bulletin explains the difference in AFM and DFM engines and what is and is not…
- This Bulletin provides graphics, information and guidelines for engine component wear to assist service…
- This warranty administration bulletin provide policy information to cover GMs policy on performing GM…
- Customer Satisfaction Program - Certain vehicles that had the front passenger seat cushion frame…
- This Preliminary Information communication provides information to the technician about installing General…
- This Warranty Administration bulletin provides information on customer vehicles concern results in a…
- This informational bulletin explains there is another steering hose that can be used for cold weather…
- This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to…
- This Technical bulletin provides a procedure to replace the radio to correct radio personalization…
- This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake…
- This informational bulletin provides information to dealership personnel for new vehicles with less than…
- Customer Satisfaction Program - Certain 2014-2019 model year Chevrolet Silverado and GMC Sierra vehicles…
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
- PT. 1 🛻 2021 GMC Sierra SLE Collision Repair #autobody #collisionrepair #gmc #bodyshop #carrepair
- PT. 2 🚘 2021 GMC Sierra SLE Collision Repair #autobody #collisionrepair #gmc #bodyshop #carrepair
- This 2026 GMC Sierra 1500 Elevation X31 got it all! Lift, 35s, 22s, Tuxedo Wrap, Chrome Delete
- 2026 GMC Sierra 1500: The Problems Nobody Tells You About
Other models of this make
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Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.