2014 Gmc SIERRA DENALI

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2014 Gmc SIERRA DENALI has 19 owner complaints filed with NHTSA — that's 0.2x the segment average of 80. The most common issue is other problems (21% of all complaints), specifically: my truck is shaking at speeds 65+mph. i recently had my front end alligned and tires rebalanced still the same shaking is occuring. it is to the point that it is uncomfortable to drive and dangerous..

Total Complaints

Recalls Issued

—/5

Safety Stars

0.2x

vs Segment Avg

Known Problems

OTHER

4 complaints

21%

• MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.
• DASH CRACKED AT LESS THAN 26000 MILES 4 YEARS OLD
• AC CONDENSER SYSTEM FAILURE, LEAKS; MANY GM OWNERS ARE REPORTING THIS SAME EXACT ISSUE.

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

“MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.”

— NHTSA complaint filing

BRAKES

4 complaints

21%

• VACUUM PUMP FAILURE WAS NOTICED WHEN PARALLEL PARKING. AFTER HITTING BRAKE SEVERAL TIMES THEY STOPPED WORKING. TOOK EXCESSIVE AMOUNT OF FORCE TO STOP VEHICLE.
• IF THE BRAKES ARE PUMPED 2-3 TIMES THE PEDDLE WILL BECOME REALLY FIRM AND HARD TO PRESS. WHEN THIS OCCURS THE TRUCK WILL NOT STOP. YOU HAVE TO STAND ON THE BRAKE PEDAL WITH BOTH FEET TO GET THE TRUCK TO STOP. PRETTY UNNERVING FOR A 75K MIKE TRUCK STILL UNDER DRIVETRAIN WARRANTY BUT NOT COVERED. I US
• WHEN AT SLOW SPEEDS, BRAKES GET HARD AND HAVE TO PUT A LOT OF PRESSURE TO STOP THE TRUCK.

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

“VACUUM PUMP FAILURE WAS NOTICED WHEN PARALLEL PARKING. AFTER HITTING BRAKE SEVERAL TIMES THEY STOPPED WORKING. TOOK EXCESSIVE AMOUNT OF FORCE TO STOP VEHICLE.”

— NHTSA complaint filing

AIR BAGS

2 complaints

11%

• WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
• NEED A RECALL FOR AIR BAGS VEHICLE STATIONARY

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

“WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI”

— NHTSA complaint filing

BODY/STRUCTURE

2 complaints

11%

• WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
• DASH CRACKED AT LESS THAN 26000 MILES 4 YEARS OLD

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

— NHTSA complaint filing

WHEELS

1 complaints

• CHROME WHEEL CORROSION. CRITICAL LOCATION AROUND VALVE STEM CREATING AIR LEAK IN VALVE STEM. COULD CREATE LOW ENOUGH PRESSURE TO EFFECT HANDLING IN EMERGENCY SITUATION. LUCKILY MINE WAS A SLOW LEAK, BUT THE ONLY FIX IS WHEEL REPLACEMENT AT EXTREME COST AND A LENGTHY REPLACEMENT PROCESS LEAVING THE O

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

“CHROME WHEEL CORROSION. CRITICAL LOCATION AROUND VALVE STEM CREATING AIR LEAK IN VALVE STEM. COULD CREATE LOW ENOUGH PRESSURE TO EFFECT HANDLING IN EMERGENCY SITUATION. LUCKILY MINE WAS A SLOW LEAK, BUT THE ONLY FIX IS WHEEL REPLACEMENT AT EXTREME COST AND A LENGTHY REPLACEMENT PROCESS LEAVING THE O”

— NHTSA complaint filing

Estimated Repair Costs

OTHER(~50K mi)

$500

BRAKES(~50K mi)

$500

AIR BAGS(~50K mi)

$500

BODY/STRUCTURE(~50K mi)

$500

WHEELS(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 19 owner complaints for this specific year, here's what to check or ask about:

☐
OTHER: MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.
Typically appears around 50K miles. Repair cost ~$500
☐
BRAKES: VACUUM PUMP FAILURE WAS NOTICED WHEN PARALLEL PARKING. AFTER HITTING BRAKE SEVERAL TIMES THEY STOPPED WORKING. TOOK EXCESSIVE AMOUNT OF FORCE TO STOP VEHICLE.
Typically appears around 50K miles. Repair cost ~$500
☐
AIR BAGS: WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
Typically appears around 50K miles. Repair cost ~$500
☐
BODY/STRUCTURE: WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WI
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)