2020 GMC Sierra 1500 Equipment Problems
- Complaints
- 2about this part
- Share
- 0%of 484 total for the year
- Median mileage
- 2,125miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the equipment of the 2020 GMC Sierra 1500, 0% of the 484 complaints for this model year. Where a mileage was given, the median is 2,125 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2020 GMC Sierra 1500. The contact stated that while driving with cruise control mode set at 55 MPH, the vehicle independently accelerated to 98 MPH, and then the vehicle lost motive power. Additionally, the contact stated that the vehicle had failed to turn off upon pressing the Engine Start/Stop button. No warning light was illuminated. The vehicle was able to restart and was taken to a local dealer to be diagnosed, but the cause of the failure could not be determined. …”
NHTSA complaint #11678277, filed 2025-08, 250 milesEquipment: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 1% |
| 2025 | 1 | 1% |
| 2024 | 1 | 0% |
| 2023 | 1 | 0% |
| 2020 | 2 | 0% |
| 2018 | 3 | 1% |
| 2016 | 2 | 1% |
| 2015 | 3 | 0% |
| 2014 | 4 | 1% |
| 2012 | 1 | 1% |
| 2010 | 1 | 1% |
| 2009 | 1 | 0% |
| 2008 | 2 | 1% |
| 2006 | 2 | 1% |
| 2005 | 2 | 1% |
| 2004 | 4 | 2% |
| 2002 | 2 | 1% |
| 2001 | 1 | 1% |
| 1999 | 1 | 1% |
Other parts of the 2020 GMC Sierra 1500
245 complaintsTransmission and drivetrain
99 complaintsElectrical system
81 complaintsBrakes
55 complaintsOther or unknown
46 complaintsSteering
38 complaintsFuel system
27 complaintsEngine cooling
21 complaintsSuspension
18 complaintsVisibility (wipers, defrost, mirrors)
15 complaintsForward collision avoidance
14 complaintsBody and structure
13 complaints
← All problems reported for the 2020 GMC Sierra 1500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology