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GMC Sierra DenaliModel year report

2004 GMC Sierra Denali Problems

Complaints
11filed with NHTSA
Median mileage
44,000miles, 10 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 2004 GMC Sierra Denali (complaints, recalls, investigations). Report an error

NHTSA recorded 11 consumer complaints for the 2004 GMC Sierra Denali. The part named most often is brakes, with 5 complaints (45% of the total), followed by electrical system (2) and air bags (1). 10 of the complaints include a mileage, and 60% of those were filed for vehicles with under 50,000 miles; the median is 44,000 miles. Of all complaints, 1 involved a crash, 2 an injury, according to the filers. NHTSA lists 0 recall campaigns and 49 technical service bulletins for this model year. Electrical system complaints overlap with 6 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: “I am experiencing the exact problem that is described regarding the recall of Gmc light trucks for ABS activation at slow speeds due to corrosion of the hub and wheel assembly. I have a 2004 Gmc Sierra Denali which, according to Gmc, is not included in the massive recall prompted by your investigation. My issue, as described by the dealer, is exactly the same as the issue and reason for recalling those other vehicles.”

NHTSA complaint #10184356, filed 2007-03, 48,000 miles

Air bags: “Consumer's vehicle was involved in an a roll over, and the air bags did not deploy. Also, seat belts did not secure the occupants. The driver was under the steering wheel, and the passenger was under the dashboard.”

NHTSA complaint #10101826, filed 2004-11, 5,300 miles

Engine cooling: “2004 Gmc sierra 6 liter v8 - exhaust manifold bolts broken off - $600 to repair. Design and/or part defect. Dealer said this happens. Recall or have GM correct?”

NHTSA complaint #10412314, filed 2011-07, 135,522 miles

Mileage when problems were reported

60% of the 10 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 40,000 and 86,000 miles.

10%0–1010%10–2540%25–5010%50–7510%75–10020%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (10 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 44,000 miles.

Complaints by year filed

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

200420052007420102011201220132014
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 2004 GMC Sierra 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. 49 on record; the latest 10 are shown.

See all 49 bulletins →

Other model years of the GMC Sierra Denali

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20201120,0000———Not enough data
2019265,2690——77 · MoreFalling
20181728,0000———Falling
20171560,0000———Falling
20163048,0000——50 · TypicalFalling
20152247,8000———Stable
20141459,4960———Not enough data
2013870,0000———Not enough data
20121050,0000———Not enough data
20112865,0000——0 · FewerFalling
20101045,2840———Not enough data
2009794,0000———Not enough data
20081858,0000———Stable
2006561,0000———Not enough data
20041144,0000———Not enough data
20021379,3150—12—Not enough data

All GMC Sierra Denali model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2004 GMC Sierra Denali have?

NHTSA recorded 11 consumer complaints for the 2004 GMC Sierra Denali as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2004 GMC Sierra Denali is reported most often?

Brakes is named most often, in 5 complaints (45% of the total), followed by electrical system with 2.

Has the 2004 GMC Sierra 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 2004 GMC Sierra Denali reported?

Among the 10 complaints that include a mileage, the median is 44,000 miles and the middle half falls between 40,000 and 86,000 miles; 60% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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.