2011 GMC Sierra Denali problems
Verdict · NHTSA data
One of the years to avoid
With 40 complaints filed to NHTSA — about 2.7 times the median Sierra Denali year — the 2011 model ranks #3 of 18 Sierra Denali years for complaint volume. It lands on the years-to-avoid list.
The trouble concentrates in one system: other issues account for 43% of all reports (17 of 40), far ahead of airbags at 10.
40
NHTSA complaints
0
Recalls
0
Investigations
0
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
How does 2011 compare to other Sierra Denali years?
What are the most common 2011 GMC Sierra Denali problems?
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Other | 17 | 43% | ▲ up |
| Airbags | 10 | 25% | ▲ up |
| Body & Structure | 9 | 23% | ▲ up |
| Transmission | 2 | 5% | ▲ up |
| Suspension | 1 | 3% | ▼ down |
| Tires & Wheels | 1 | 3% | — flat |
Consumer complaints filed with NHTSA
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“DASH CRACKED ON PASSENGER SIDE STARTING AT AIR BAG TOP LEFT CORNER AND CENTER BRACKET BROKE THIS IS A SAFETY CONCERN ALONG WITH THE AIR BAG INFLATORS GM NEEDS TO FIX THIS ISSUE ONE DAY I GOT OFF WORK OPENED MY DOOR I GOT IN SHUT THE DOOR AND CRACK THIS IS STUPID THERE NEEDS TO BE SOME KIND OF…”
“TAKATA RECALL MY VEHICLE IS AFFECTED BY THIS RECALL I HAVE CALLED NUMEROUS DEALERSHIPS AND THEY ALL TELL ME GM DON'T HAVE A FIX YET SO BECAUSE OF THIS ISSUE DOES THIS MEAN MY VEHICLE FALLS UNDER LEMON LAW SINCE IT'S 8 YEARS OLD AND THE PROBLEM CAN'T BE FIXED THANKS TAKATA I LOVE MY DENALI”
“DASH HAS BEEN CRACKED COMPLETELY THROUGH ON PASSENGER SIDE BY AIRBAG, NOW I HAVE A CRACK JUST ABOVE INSTRUMENT CLUSTER. VEHICLE ONLY HAS 47,000 MILES AND THE CRACKS JUST APPEAR OUT OF NO WHERE. THE VEHICLE IS NOT DRIVEN OFF ROADING OR ANYTHING LIKE THAT IT IS IMMACULATE OTHER THEN NOW CRACKED UP…”
“ON JULY 29, 2015, WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE SUDDENLY DOWNSHIFTED ITSELF INTO FIRST GEAR CAUSING THE VEHICLE TO SLOW DOWN SUDDENLY WITH NO NOTICE. I WAS ABLE TO GET THE VEHICLE OFF THE ROAD AND INTO A GAS STATION. AFTER THE FACT THE CHECK ENGINE LIGHT WAS ILLUMINATED. THE…”
2011 GMC Sierra Denali — common questions
Is the 2011 GMC Sierra Denali reliable?
NHTSA data argues against it: 40 complaints put the 2011 model at #3 of 18 Sierra Denali years. It is one of the Sierra Denali years to avoid.
What are the most common 2011 Sierra Denali problems?
According to NHTSA complaint data, the leading problem areas are other (17 complaints), airbags (10 complaints), body & structure (9 complaints).
Does the 2011 GMC Sierra Denali have recalls?
No. NHTSA lists no recall campaigns for the 2011 GMC Sierra Denali.
Which GMC Sierra Denali years should you avoid?
Based on complaint rates and open investigations, the Sierra Denali years to avoid are 2019, 2016, 2011, 2015, 2014. The cleanest record among Sierra Denali years belongs to 2007.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.