EnginePart report
2012 GMC Denali Engine Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 100,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2012 GMC Denali, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 100,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10201098Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10190503Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
Engine: other model years
Other parts of the 2012 GMC Denali
Other or unknown
3 complaintsAir bags
2 complaintsBody and structure
2 complaintsElectrical system
1 complaintsFuel system
1 complaints
3 complaintsAir bags
2 complaintsBody and structure
2 complaintsElectrical system
1 complaintsFuel system
1 complaints
← All problems reported for the 2012 GMC Denali
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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