"How reliable is the 1999 Gmc Yukon Denali?"

"Based on 38 NHTSA complaints, the 1999 Gmc Yukon Denali has a median complaint mileage of 100000 miles. The most common issue is Antilock/Traction Control/Electronic Limited Slip."

"What are common problems with the 1999 Gmc Yukon Denali?"

"The most frequently reported component in NHTSA complaints for the 1999 Gmc Yukon Denali is Antilock/Traction Control/Electronic Limited Slip, accounting for a significant portion of the 38 total complaints filed."

1999 Gmc Yukon Denali: Reliability Data

Source: NHTSA — 38 complaints

Total Complaints

100,000mi

Median Mileage

Antilock/Traction Control/Electronic Limited Slip

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

90,000 25th Percentile

100,000 Median Mileage

128,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Antilock/Traction Control/Electronic Limited Slip

Foundation Components

Tread/Belt

Electrical System

Rotor

Engine

Exterior

Headlights

Structure

Manual Transmission

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"PE-00-020; ORIGINAL EQUIPMENT ON A 1999, GMC, DENALI, TIRE SIZE P265/70R16, DOT NUMBER NOT AVAILABLE, AND TIRES ONLY HAVE 17 THOUSAND MILES ON THEM. WHEN DRIVING 60 MPH RIGHT REAR TIRE TREAD SEPARATED FROM THE SIDEWALL AREA. CONSUMER HAS CONTACTED FIRESTONE, FIRESTONE HAS REPLACED THE TIRES AT NO..."

"THE HOOD RAISES IN THE WIND WHILE DRIVING, THE DEALER HAS ATTEMPTED REPAIR ON SEVERAL OCCASIONS BUT THE PROBLEM STILL EXIST. NLLM. NLM"

"THE BRAKES ARE FAULTY. NLM"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Antilock/Traction Control/Electronic Limited Slip 7 complaints

25th: 94,000 mi Median: 110,000 mi 75th: 115,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 7 KS: 6 MI: 4 GA: 3 NY: 3 CO: 2 MA: 2 NH: 2 MO: 1 OH: 1

Who Files Complaints?

26.3%

Original Owners

73.7%

Second+ Owners

Gmc Yukon Denali — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2000	22	110,000	Antilock/Traction Control/Electronic Limited Slip	0
2001	40	95,000	Service Brakes	2
2002	31	89,740	Service Brakes	2
2003	97	97,000	Electrical System	8
2004	141	80,000	Instrument Cluster/Panel	6
2005	68	78,000	Electrical System	4
2006	24	78,000	Engine	2
2007	175	90,000	Air Bags	4
2008	74	74,500	Air Bags	0
2009	58	71,500	Air Bags	1
2010	75	71,000	Unknown Or Other	0
2011	116	75,000	Unknown Or Other	0
2012	32	60,000	Unknown Or Other	0
2013	39	58,000	Air Bags	0
2015	90	60,000	Exterior Lighting	3
2016	28	45,000	Exterior Lighting	3

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28