Is the 2015 Gmc YUKON DENALI reliable?

The 2015 Gmc YUKON DENALI has 90 complaints filed with NHTSA (2.3x the segment average). Our reliability verdict: below-average. Most common issue: LIGHTING problems.

What are common problems with the 2015 Gmc YUKON DENALI?

Top problems: LIGHTING (40 complaints, avg repair $500); ELECTRICAL (11 complaints, avg repair $500); OTHER (9 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2015 Gmc YUKON DENALI?

No recalls have been issued for the 2015 Gmc YUKON DENALI.

How much does it cost to insure a 2015 Gmc YUKON DENALI?

Estimated US average full-coverage insurance for the 2015 Gmc YUKON DENALI is approximately $1,449/year (sedan-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2015 Gmc YUKON DENALI

Problems, Recalls & Reliability Report

Below Average

Quick Summary

The 2015 Gmc YUKON DENALI has 90 owner complaints filed with NHTSA — that's 2.3x the segment average of 40. The most common issue is lighting problems (44% of all complaints), specifically: headlights do not illuminate the road far enough to allow safe driving. took vehicle to local dealer and they checked the lights and said they meet manufactures specification. when driving on country road with no other illumination the headlights do not project far enough to see what is ahead. dr.

3 crash reports 1 injury

Total Complaints

Recalls Issued

4/5

Safety Stars

2.3x

vs Segment Avg

Known Problems(top 5 of 8)

LIGHTING

40 complaints

44%

• HEADLIGHTS DO NOT ILLUMINATE THE ROAD FAR ENOUGH TO ALLOW SAFE DRIVING. TOOK VEHICLE TO LOCAL DEALER AND THEY CHECKED THE LIGHTS AND SAID THEY MEET MANUFACTURES SPECIFICATION. WHEN DRIVING ON COUNTRY ROAD WITH NO OTHER ILLUMINATION THE HEADLIGHTS DO NOT PROJECT FAR ENOUGH TO SEE WHAT IS AHEAD. DR
• REAR LED (BREAK LIGHT) DOES NOT WORK TURN SIGNAL, BACKUP WORKS. COST IS OVER $500 TO REPLACE THIS IS OUTRAGEOUS EXTENDED WARRANTY DOES NOT COVER LIGHT BULBS NOW I KNOW WHY THIS SHOULD BE A FACTORY DEFECT.
• TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. THE CONTACT STATED THAT THE BRAKE AND TAIL LIGHTS FAILED TO ILLUMINATE SPORADICALLY. THE VEHICLE WAS TAKEN TO WELD COUNTY GARAGE BUICK GMC (2699 47TH AVE, GREELEY, CO 80634, (970) 352-1313) WHERE IT WAS DIAGNOSED THAT THE BRAKE LIGHTS NEEDED TO BE REPLAC

Typical onset: 50K miles Est. repair: $500

“HEADLIGHTS DO NOT ILLUMINATE THE ROAD FAR ENOUGH TO ALLOW SAFE DRIVING. TOOK VEHICLE TO LOCAL DEALER AND THEY CHECKED THE LIGHTS AND SAID THEY MEET MANUFACTURES SPECIFICATION. WHEN DRIVING ON COUNTRY ROAD WITH NO OTHER ILLUMINATION THE HEADLIGHTS DO NOT PROJECT FAR ENOUGH TO SEE WHAT IS AHEAD. DR”

— NHTSA complaint filing

When Problems Appear on the 2015 Gmc YUKON DENALI

Based on 73 owner complaints that included an odometer reading. Median mileage at time of complaint: 60K miles. Most complaints cluster in the 60-100K miles range.

Overall complaint distribution by mileage

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

TRANSMISSION

Earlier than typicalmedian 56K mi · 6 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

OTHER

Reported earliermedian 52K mi · 7 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

LIGHTING

In line with typicalmedian 60K mi · 33 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

ELECTRICAL

In line with typicalmedian 64K mi · 9 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

BRAKES

In line with typicalmedian 72K mi · 5 reports

0-30K

30-60K

60-100K

100-150K

150-200K

200K+

Mileage figures are self-reported by owners in NHTSA complaint filings. Peak bucket = the mileage range with the most complaints for that component; it reflects when owners noticed and reported problems, not necessarily when the fault first occurred.

Estimated Insurance Cost for 2015 Gmc YUKON DENALI

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,449

Full coverage / month

$121

Liability only / year

$598

vs US avg

-13%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-midsize)0.96x

× theft risk1.00x

× safety rating0.98x

× vehicle age0.92x

= Full coverage estimate$1449

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Gmc YUKON DENALI Service Intervals

Oil change

8K mi / 12 mo

Tire rotation

8K mi

Brake fluid

36 months

Transmission fluid

45K mi

Engine coolant

150K mi

Spark plugs

100K mi

Cabin air filter

23K mi

Engine air filter

45K mi

Differential (AWD/4WD)

45K mi

Uses GM Oil Life System. Full-size trucks may have shorter differential and transfer case intervals if used for towing.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Gmc New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

3 yr / 36K mi

Powertrain

5 yr / 60K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

6 yr / 100K mi

Roadside assistance

5 yr / 60K mi

These are the terms for a new Gmc. If you're buying a used 2015 YUKON DENALI, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Gmc dealer for VIN-specific remaining warranty.

Estimated Repair Costs

LIGHTING(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

OTHER(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

ENGINE(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 90 owner complaints for this specific year, here's what to check or ask about:

☐
LIGHTING: HEADLIGHTS DO NOT ILLUMINATE THE ROAD FAR ENOUGH TO ALLOW SAFE DRIVING. TOOK VEHICLE TO LOCAL DEALER AND THEY CHECKED THE LIGHTS AND SAID THEY MEET MANUFACTURES SPECIFICATION. WHEN DRIVING ON COUNTRY ROAD WITH NO OTHER ILLUMINATION THE HEADLIGHTS DO NOT PROJECT FAR ENOUGH TO SEE WHAT IS AHEAD. DR
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. WHILE THE VEHICLE WAS STATIONARY, WATER ENTERED THE CABIN OF THE VEHICLE THROUGH THE HIGH FREQUENCY ANTENNA SEAL. IN ADDITION, THE CONTACT STATED THAT THE COMPUTER SYSTEM HAD AN ELECTRICAL MALFUNCTION AND THE VEHICLE'S BRAKES ENGAGED WITHOUT WARNING. DIX
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: AIR CONDITIONING FAILURE, CONDENSER DEFECTIVE. REPAIR IMPOSSIBLE BECAUSE PART HAS BEEN ON BACKORDER FOR OVER A MONTH.
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: IN MOTION VEHICLE SHUTTERS, CLUNKING IN BETWEEN GEARS, CLUNKS GOING INTO REVERSE, SHUTTERS BETWEEN 30-40 MPH AND OVER 65 MPH. BOUGHT VEHICLE BRAND NEW OFF SHOW ROOM FLOOR, VEHICLE WAS OUT OF ALIGNMENT WHEN I PURCHASED IT. AROUND 12,000 MILES NOTICED IT WAS SHUTTERING AND AS TIME HAS CONTINUED IT HAS
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)