2017 Gmc SIERRA DENALI

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2017 Gmc SIERRA DENALI has 15 owner complaints filed with NHTSA — that's 0.2x the segment average of 80. The most common issue is other problems (27% of all complaints), specifically: above 35mph i begin to get an extreme shake and vibration. it gets more and more pronounced as i drive. at 65mph is nearly unbearable, and shakes and vibrates violently. it gives me headaches, and i can feel it in my arms as i drive. i first noticed it about 100 miles after buying the truck. it now.

2 crash reports 2 injuries

Total Complaints

Recalls Issued

—/5

Safety Stars

0.2x

vs Segment Avg

Known Problems

OTHER

4 complaints

27%

• ABOVE 35MPH I BEGIN TO GET AN EXTREME SHAKE AND VIBRATION. IT GETS MORE AND MORE PRONOUNCED AS I DRIVE. AT 65MPH IS NEARLY UNBEARABLE, AND SHAKES AND VIBRATES VIOLENTLY. IT GIVES ME HEADACHES, AND I CAN FEEL IT IN MY ARMS AS I DRIVE. I FIRST NOTICED IT ABOUT 100 MILES AFTER BUYING THE TRUCK. IT NOW
• AFTER BEING STOPPED LIKE AT A STOPLIGHT, THEN WHEN IT'S TIME TO ACCELERATE, THE TRUCK HAS A HARD JERK TO IT, AND IT DOESN'T WANT TO DOWN SHIFT. PLUS WHEN RIDING DOWN THE ROAD, THE TRUCK WILL LO JUST SUDDENLY JERK SO BAD THAT IT FEELS LIKE SOMEONE RAN INTO THE BACK OF THE TRUCK. THIS HAS BEEN GOING O
• MY AIR CONDITIONING STOPPED WORKING AT ONLY 51,800MI AND JUST OVER 3 YEARS OLD ON MY 2017 GMC SIERRA 1500 DENALI. MY MECHANIC SAID MY AC CONDENSER IS LEAKING AND NEEDS TO BE REPLACED. HE SAID IT IS A WIDELY KNOWN ISSUE BUT NOT A RECALL.

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

“ABOVE 35MPH I BEGIN TO GET AN EXTREME SHAKE AND VIBRATION. IT GETS MORE AND MORE PRONOUNCED AS I DRIVE. AT 65MPH IS NEARLY UNBEARABLE, AND SHAKES AND VIBRATES VIOLENTLY. IT GIVES ME HEADACHES, AND I CAN FEEL IT IN MY ARMS AS I DRIVE. I FIRST NOTICED IT ABOUT 100 MILES AFTER BUYING THE TRUCK. IT NOW”

— NHTSA complaint filing

ENGINE

3 complaints

20%

• NOTICED VIVID AND PERSISTENT ENGINE VIBRATION SHORTLY AFTER PURCHASE - WITH NO ASSOCIATED CHECK ENGINE CODE. VIBRATION HAPPENS AT ALL ENGINE AND AMBIENT TEMPERATURES (ESPECIALLY BELOW 50 DEGREES FAHRENHEIT), AT ALL ALTITUDES, REGARDLESS IF IN PARK, NEUTRAL, OR DRIVE. VIBRATION IS SO NOTICEABLE, YO
• The contact owns a 2017 GMC Sierra Denali. The contact stated that while driving approximately 40 MPH, the check engine warning light illuminated. The contact stated that the vehicle was shuddering and vibrating. The contact pulled over and opened the hood with the engine running. The contact stated
• The contact owns a 2017 GMC Sierra 2500 Denali. The contact stated that while driving at an undisclosed speed, the vehicle went into LIMP Mode. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the knock sensor had f

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

“NOTICED VIVID AND PERSISTENT ENGINE VIBRATION SHORTLY AFTER PURCHASE - WITH NO ASSOCIATED CHECK ENGINE CODE. VIBRATION HAPPENS AT ALL ENGINE AND AMBIENT TEMPERATURES (ESPECIALLY BELOW 50 DEGREES FAHRENHEIT), AT ALL ALTITUDES, REGARDLESS IF IN PARK, NEUTRAL, OR DRIVE. VIBRATION IS SO NOTICEABLE, YO”

— NHTSA complaint filing

TRANSMISSION

3 complaints

20%

• HARSH DOWNSHIFT INTERMITTENT BETWEEN 20 AND 30 MPH. BINDING/CLUNKING AT LOW SPEEDS WHEN DOWNSHIFTING INTO FIRST OR UP SHIFTING INTO 2. TRANSMISSION SHUDDER WHEN ACCELERATING IN FIRST GEAR. VEHICLE LUNGES FORWARD INTERMITTENTLY AT LOW SPEEDS WHEN SHIFTING.
• WHILE DRIVING MY GMC SIERRA DENALI THE TRANSMISSION SHUDDERS REALLY BAD. I HAVE A 2017 WITH JUST 13,200 MILES ON IT. I WAS PULLING MY BASS BOAT AND THE SHURDDER WAS SO BAD MY DASH WAS SHAKING AND THE STEERING WHEEL WAS ALSO .I HAVE HAD THE FLUID CHANGED AT THE DEALERSHIP AND IT SHIFTED FINE AND DID
• The contact owns a 2017 GMC Sierra Denali. The contact stated that while driving on the highway at an undisclosed speed, the vehicle jerked, failed to accelerate, and stalled. The vehicle was unable to shift into third gear. The check engine warning light was illuminated. The vehicle was drivable an

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

“HARSH DOWNSHIFT INTERMITTENT BETWEEN 20 AND 30 MPH. BINDING/CLUNKING AT LOW SPEEDS WHEN DOWNSHIFTING INTO FIRST OR UP SHIFTING INTO 2. TRANSMISSION SHUDDER WHEN ACCELERATING IN FIRST GEAR. VEHICLE LUNGES FORWARD INTERMITTENTLY AT LOW SPEEDS WHEN SHIFTING.”

— NHTSA complaint filing

WHEELS

1 complaints

• MY BRIDGESTONE TIRES HAVE DRY ROTTED ALL 4 TIRE MANUFACTURING DATE IS 2017 SAME AS MY TRUCK NEW I HAVE 28 THOUSAND MILES ON THE TRUCK TOOK IT TO THE DEALERSHIP THEY TOOK PICTURES OF ALL TIRES AND TOLD ME THEY WERE VERY BAD THE TIRES SHOW LITTLE WEAR ON THE TIRES ALL OF THE DRY ROT IN ON THE SIDEWALL

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

“MY BRIDGESTONE TIRES HAVE DRY ROTTED ALL 4 TIRE MANUFACTURING DATE IS 2017 SAME AS MY TRUCK NEW I HAVE 28 THOUSAND MILES ON THE TRUCK TOOK IT TO THE DEALERSHIP THEY TOOK PICTURES OF ALL TIRES AND TOLD ME THEY WERE VERY BAD THE TIRES SHOW LITTLE WEAR ON THE TIRES ALL OF THE DRY ROT IN ON THE SIDEWALL”

— NHTSA complaint filing

SUSPENSION

1 complaints

• FRONT STRUTS WITH ELECTRONIC CONTROL WENT OUT WHILE DRIVING.

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

“FRONT STRUTS WITH ELECTRONIC CONTROL WENT OUT WHILE DRIVING.”

— NHTSA complaint filing

Estimated Repair Costs

OTHER(~50K mi)

$500

ENGINE(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

WHEELS(~50K mi)

$500

SUSPENSION(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 15 owner complaints for this specific year, here's what to check or ask about:

☐
OTHER: ABOVE 35MPH I BEGIN TO GET AN EXTREME SHAKE AND VIBRATION. IT GETS MORE AND MORE PRONOUNCED AS I DRIVE. AT 65MPH IS NEARLY UNBEARABLE, AND SHAKES AND VIBRATES VIOLENTLY. IT GIVES ME HEADACHES, AND I CAN FEEL IT IN MY ARMS AS I DRIVE. I FIRST NOTICED IT ABOUT 100 MILES AFTER BUYING THE TRUCK. IT NOW
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: NOTICED VIVID AND PERSISTENT ENGINE VIBRATION SHORTLY AFTER PURCHASE - WITH NO ASSOCIATED CHECK ENGINE CODE. VIBRATION HAPPENS AT ALL ENGINE AND AMBIENT TEMPERATURES (ESPECIALLY BELOW 50 DEGREES FAHRENHEIT), AT ALL ALTITUDES, REGARDLESS IF IN PARK, NEUTRAL, OR DRIVE. VIBRATION IS SO NOTICEABLE, YO
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: HARSH DOWNSHIFT INTERMITTENT BETWEEN 20 AND 30 MPH. BINDING/CLUNKING AT LOW SPEEDS WHEN DOWNSHIFTING INTO FIRST OR UP SHIFTING INTO 2. TRANSMISSION SHUDDER WHEN ACCELERATING IN FIRST GEAR. VEHICLE LUNGES FORWARD INTERMITTENTLY AT LOW SPEEDS WHEN SHIFTING.
Typically appears around 50K miles. Repair cost ~$500
☐
WHEELS: MY BRIDGESTONE TIRES HAVE DRY ROTTED ALL 4 TIRE MANUFACTURING DATE IS 2017 SAME AS MY TRUCK NEW I HAVE 28 THOUSAND MILES ON THE TRUCK TOOK IT TO THE DEALERSHIP THEY TOOK PICTURES OF ALL TIRES AND TOLD ME THEY WERE VERY BAD THE TIRES SHOW LITTLE WEAR ON THE TIRES ALL OF THE DRY ROT IN ON THE SIDEWALL
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)