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GMC DenaliModel year report

2014 GMC Denali Problems

Complaints
5filed with NHTSA
Median mileage
67,000miles, 5 complaints with mileage
Recalls
0campaigns on record
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

Sources: NHTSA records for the 2014 GMC Denali (complaints, recalls, investigations). Report an error

NHTSA recorded 5 consumer complaints for the 2014 GMC Denali. The part named most often is brakes, with 1 complaints (20% of the total), followed by electrical system (1) and electronic stability control (1). 5 of the complaints include a mileage, and 20% of those were filed for vehicles with under 50,000 miles; the median is 67,000 miles. NHTSA lists 0 recall campaigns and 106 technical service bulletins for this model year. Brakes complaints overlap with 2 technical service bulletins filed under the same part. Electrical system complaints overlap with 8 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Brakes: “Brake failure. The brake vacuum pump failed. I marked the failure as today as the dealership confirmed the failure. The failure occurred a month or so ago. It does not happen all of time.”

NHTSA complaint #11202982, filed 2019-04, 75,138 miles

Electrical system: “Blind spot sensors in the morrors are always lighting up with nothing to set them off.GM says there is no fix and they know of this problem with the acadia”

NHTSA complaint #11166355, filed 2019-01, 67,000 miles

Engine: “While driving on a city street the 2014 Gmc sierra 6.2 l v8 lost power and started running rough as approaching an intersection. I was able to stop, and reverse the vehicle away from the intersection, to get out of traffic. The engine light was flashing and the truck shut down, it was unable to restart. The truck had under 60,000 miles on it at the time of the first incident. It was towed to a GM dealer shop for repair. This first incident took place in august of 2019. The rocker arm and exhaust spring had to be replaced in the #2 cylinder, the cylinder head had to be rebuilt with a new head. …”

NHTSA complaint #11291861, filed 2019-12, 57,000 miles

Mileage when problems were reported

20% of the 5 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 57,000 and 68,000 miles.

0%0–100%10–2520%25–5060%50–7520%75–1000%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (5 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 67,000 miles.

Complaints by year filed

Fewer than 15 complaints, too few for a reliable trend.

2018201932020
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Recalls and investigations

NHTSA lists no recall campaigns for the 2014 GMC Denali in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 106 on record; the latest 10 are shown.

See all 106 bulletins →

Other model years of the GMC Denali

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20151856,0000———Falling
2014567,0000———Not enough data
2013524,4000———Not enough data
2012682,0000———Not enough data
201111114,2390———Not enough data
2010591,3250———Not enough data
20033250,0000——Not compared (before 2008)Stable
20022336,0001———Stable
20012264,3001———Stable
20002187,7021———Stable
19991482,5001———Not enough data

All GMC Denali model years

Frequently asked questions

How many NHTSA complaints does the 2014 GMC Denali have?

NHTSA recorded 5 consumer complaints for the 2014 GMC Denali as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2014 GMC Denali is reported most often?

Brakes is named most often, in 1 complaints (20% of the total), followed by electrical system with 1.

Has the 2014 GMC Denali been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

At what mileage are problems with the 2014 GMC Denali reported?

Among the 5 complaints that include a mileage, the median is 67,000 miles and the middle half falls between 57,000 and 68,000 miles; 20% were filed for vehicles with under 50,000 miles.

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.

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.