2015 Gmc DENALI

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2015 Gmc DENALI has 27 owner complaints filed with NHTSA — that's 0.3x the segment average of 80. The most common issue is lighting problems (22% of all complaints), specifically: rear taillights have moisture in them. the moisture is constant in one and intermittent in the other. both have been replaced once by dealer 3 months ago. problem still exists.

1 crash report 1 injury

Total Complaints

Recalls Issued

—/5

Safety Stars

0.3x

vs Segment Avg

Known Problems

LIGHTING

6 complaints

22%

• REAR TAILLIGHTS HAVE MOISTURE IN THEM. THE MOISTURE IS CONSTANT IN ONE AND INTERMITTENT IN THE OTHER. BOTH HAVE BEEN REPLACED ONCE BY DEALER 3 MONTHS AGO. PROBLEM STILL EXISTS
• BOTH LED BRAKE LIGHTS HAVE FAILED. IF YOU TAP THEM THEY WOK FOR A MINUTE BUT WHEN DRIVING THEY GO OUT AGAIN. THE SEAT VIBRATES TO ALERT YOU OF OBSTACLES BUT THE MOTOR IN THE SEAT ONLY WORK PERIODICALLY. THE REAR WINDOW WIPER HAS FAILED. THE YUKON HAS BEEN DRIVEN 3 YEARS AND 50K MI AND NOW NEED
• WE BOUGHT OUR 2015 DENALI 1 YEAR AGO AND HAVE APPROX 50,000 MILES AND THE PASSENGERS SIDE TAIL LIGHT IS OUT. AFTER RESEARCHING TAILLIGHT PROBLEMS FOR MY MAKE AND MODEL THIS SEEMS TO BE A VERY COMMON ISSUE. THIS SHOULD BE CONSIDERED AS A RECALL BUT WHEN LOOKED INTO, I SEE IT IS NOT. ITS A SHAME TO S

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

“REAR TAILLIGHTS HAVE MOISTURE IN THEM. THE MOISTURE IS CONSTANT IN ONE AND INTERMITTENT IN THE OTHER. BOTH HAVE BEEN REPLACED ONCE BY DEALER 3 MONTHS AGO. PROBLEM STILL EXISTS”

— NHTSA complaint filing

TRANSMISSION

5 complaints

19%

• LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOU
• THE VEHICLE WILL OFTEN SHIFT UNPREDICTABLY. MOVING FROM A DEAD-STOP, THE VEHICLE WILL SOMETIMES DEMONSTRATE SIGNIFICANT HESITATION (TO SHIFT) FOLLOWED BY A LOUD AND VIOLENT ENGAGEMENT. IN SOME INSTANCES THE VEHICLE FEELS LIKE IT HAS BEEN HIT BY ANOTHER VEHICLE. THE AUTOMOBILE WILL SHUDDER AND SLI
• MY TRUCK HAS 30,000 MILES AND HAS THE 'CHEVY SHUDDER'. WHY IS THIS NOT A RECALL? GMC WANTS ME TO PAY OUT OF POCKET FOR THE TRANSMISSION FLUSH. WHEN I AM DRIVING THE TRUCK IT BEGINS SHUDDERING AND SHAKING THROUGH CERTAIN SHIFT POINTS.

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

“LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOU”

— NHTSA complaint filing

ELECTRICAL

4 complaints

15%

• LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOU
• BOTH LED BRAKE LIGHTS HAVE FAILED. IF YOU TAP THEM THEY WOK FOR A MINUTE BUT WHEN DRIVING THEY GO OUT AGAIN. THE SEAT VIBRATES TO ALERT YOU OF OBSTACLES BUT THE MOTOR IN THE SEAT ONLY WORK PERIODICALLY. THE REAR WINDOW WIPER HAS FAILED. THE YUKON HAS BEEN DRIVEN 3 YEARS AND 50K MI AND NOW NEED
• WHILE THANKFULLY DRIVING IN THE SLOW LANE ON THE INTERSTATE IN ST. LOUIS MY STABILITY LIGHT CAME ON THE TRUCK THEN SLOWED DOWN ON ITS OWN THEN WENT INTO FOUR-WHEEL-DRIVE THEN REVVED UP TO 6000 RPMS THEN EVERY SERVICE LIGHT CAME ON ON THE DASH WHEN PULLING TO THE SIDE OF THE ROAD THE CAR THEN WOULD

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

— NHTSA complaint filing

STEERING

2 complaints

• INTERMITTENT POWER STEERING FAILURE TURNING AT LOW SPEEDS. ALMOST HIT A CAR WHILE TURNING IN A ROAD DUE TO LACK OF POWER STEERING WORKING PROPERLY.
• THIS HAS HAPPENED SEVERAL TIME IN THE CITY CROSSING AN INTERSECTION USUALLY AT SLOW SPEED BRAKING AND TURNING AND ALL THE SUDDEN I LOSE EVERYTHING. NO STEERING ELECTRICAL AND BRAKING. THE PARK ASSIST WILL SOMETIMES START GOING OFF LIKE CRAZY JUST BEFORE IT HAPPENS, BUT NOT ALL THE TIME. PUT IN PARK

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

“INTERMITTENT POWER STEERING FAILURE TURNING AT LOW SPEEDS. ALMOST HIT A CAR WHILE TURNING IN A ROAD DUE TO LACK OF POWER STEERING WORKING PROPERLY.”

— NHTSA complaint filing

BRAKES

2 complaints

• THIS HAS HAPPENED SEVERAL TIME IN THE CITY CROSSING AN INTERSECTION USUALLY AT SLOW SPEED BRAKING AND TURNING AND ALL THE SUDDEN I LOSE EVERYTHING. NO STEERING ELECTRICAL AND BRAKING. THE PARK ASSIST WILL SOMETIMES START GOING OFF LIKE CRAZY JUST BEFORE IT HAPPENS, BUT NOT ALL THE TIME. PUT IN PARK
• TL* THE CONTACT OWNED A 2015 GMC DENALI. THE CONTACT STATED THAT WHILE THEIR HUSBAND WAS DRIVING APPROXIMATELY 45 MPH, WHEN THE TRAFFIC CAME TO A SUDDEN STOP CAUSING THE CONTACT TO APPLY THE BRAKES TO THE VEHICLE. THE DRIVER HAD TO DEPRESS THE BRAKING PEDAL EXCESSIVELY, HOWEVER, THE BRAKES DID NOT S

Typical onset: 50K miles Est. repair: $500💥 1 crashes

“THIS HAS HAPPENED SEVERAL TIME IN THE CITY CROSSING AN INTERSECTION USUALLY AT SLOW SPEED BRAKING AND TURNING AND ALL THE SUDDEN I LOSE EVERYTHING. NO STEERING ELECTRICAL AND BRAKING. THE PARK ASSIST WILL SOMETIMES START GOING OFF LIKE CRAZY JUST BEFORE IT HAPPENS, BUT NOT ALL THE TIME. PUT IN PARK ”

— NHTSA complaint filing

Estimated Repair Costs

LIGHTING(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

STEERING(~50K mi)

$500

BRAKES(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 27 owner complaints for this specific year, here's what to check or ask about:

☐
LIGHTING: REAR TAILLIGHTS HAVE MOISTURE IN THEM. THE MOISTURE IS CONSTANT IN ONE AND INTERMITTENT IN THE OTHER. BOTH HAVE BEEN REPLACED ONCE BY DEALER 3 MONTHS AGO. PROBLEM STILL EXISTS
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOU
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: LETTER FROM SENATOR FEINSTEIN INQUIRY ON BEHALF OF CONSTITUENT IN REGARDS TO HAVING PROBLEMS WITH GMC SIERRA DENALI PICKUP 2015. *LD THE CONSUMER STATED THE VEHICLE HAS HAD MULTIPLE ISSUES WITH THE SUSPENSION, TRANSMISSION, AND ELECTRONICS. THE VEHICLE WOULD RIDE ROUGH AND THE STABILITY LIGHT WOU
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: INTERMITTENT POWER STEERING FAILURE TURNING AT LOW SPEEDS. ALMOST HIT A CAR WHILE TURNING IN A ROAD DUE TO LACK OF POWER STEERING WORKING PROPERLY.
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)