2021 GMC Sierra 1500 Suspension Problems
- Complaints
- 10about this part
- Share
- 2%of 598 total for the year
- Median mileage
- 38,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 10 complaints about the suspension of the 2021 GMC Sierra 1500, 2% of the 598 complaints for this model year. Where a mileage was given, the median is 38,000 miles. 1 of these say a crash was involved, according to the filers.
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.
“Transmission Shuttering which was confirmed from from GMC dealership , but refused to do any repairs after confirmation or diagnostic and test driving. Demanded a 220$ fee be paid before releasing my vehicle back. Also gave GMC Bulliten # 25-NA-148 which states the same issues I'm currently having.”
NHTSA complaint #11722823, filed 2026-03“Both of my upper ball joints wore out and one broke as I was driving down the road at 65 miles an hour pulling me into the on coming lane of traffic, there was no warning of this. I had both upper and lower ball joint replace. If there had been another vehicle coming in the on coming lane we would have had a head on collision. At an earlier date the motor in this same truck had a fallen lifter which cause my motor to loss power, I was able to take it to the local GM dealer and they fixed it, there was no warning this was happening either. …”
NHTSA complaint #11765281, filed 2026-09“I took my truck to the dealership because of my issues and they said they had many trucks going in with the same issue but there was no fix to it. The issues Popping Noise Heard On Hard Turns and/or Going Over Speed Bumps, Creaking Noise While Turning Wheel Left and/or Right, Clicking Noise Heard On Slow Sharp Turns.Also when you go over a bump the truck makes a spring loud noise to the point that the whole truck bounces. shifter is also very hard when you try to change gears.”
NHTSA complaint #11479962, filed 2022-08“On 22 December 2020, I received a 2021 GMC Sierra 1500 SLT X31 Truck. The day that I drove it I notice that the Truck was riding as though it had a low Tire issue. It was riding bouncy. I had no low tire light. I checked the Tire Pressure and they all was over inflated. I brought the pressure back to range, but the Truck was riding the same over rough and bumpy roads that the rear end of the Vehicle was shifting from side too side when you hit a bumpy or on rough roads. it felt like the rear end was coming off the ground very frighten. …”
NHTSA complaint #11430578, filed 2021-08“The contact owns a 2021 GMC Sierra 1500. The contact stated that while her son was driving 55 MPH and depressing the brake pedal, the vehicle failed to slow down as intended. The driver attempted to use the parking brake to slow the vehicle, but the vehicle failed to slow down. The message “Braking System Failure” was displayed. The driver pulled over to the side of the road, and the passenger’s side front wheel detached and started leaning to the right before the vehicle came to a stop. …”
NHTSA complaint #11733285, filed 2026-04, 77,000 milesRelated service bulletins
- 11019516Apr 17, 2025This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- 11015409Feb 25, 2025This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
- 11015042Feb 20, 2025This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
Suspension: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 1% |
| 2025 | 2 | 2% |
| 2024 | 3 | 1% |
| 2023 | 3 | 1% |
| 2022 | 2 | 0% |
| 2021 | 10 | 2% |
| 2020 | 18 | 4% |
| 2019 | 10 | 2% |
| 2018 | 11 | 4% |
| 2017 | 8 | 2% |
| 2016 | 15 | 4% |
| 2015 | 17 | 2% |
| 2014 | 24 | 3% |
| 2013 | 10 | 9% |
| 2012 | 4 | 4% |
| 2011 | 9 | 3% |
| 2010 | 3 | 2% |
| 2009 | 4 | 2% |
| 2008 | 3 | 1% |
| 2007 | 9 | 3% |
| 2006 | 11 | 8% |
| 2005 | 5 | 3% |
| 2004 | 4 | 2% |
| 2003 | 2 | 1% |
| 2002 | 9 | 5% |
| 2001 | 1 | 1% |
| 2000 | 6 | 3% |
| 1999 | 7 | 4% |
| 1998 | 1 | 2% |
| 1997 | 6 | 7% |
Other parts of the 2021 GMC Sierra 1500
322 complaintsTransmission and drivetrain
145 complaintsElectrical system
76 complaintsEngine cooling
49 complaintsOther or unknown
45 complaintsFuel system
42 complaintsSteering
34 complaintsBrakes
25 complaintsBody and structure
13 complaintsLatches, locks and linkages
10 complaintsLane departure
8 complaintsVehicle speed control
7 complaints
← All problems reported for the 2021 GMC Sierra 1500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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