2018 Gmc SIERRA 2500

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2018 Gmc SIERRA 2500 has 46 owner complaints filed with NHTSA — that's 0.6x the segment average of 80. The most common issue is other problems (20% of all complaints), specifically: rear camera only works intermittently and never early mornings when truck is put in reverse. a blue screen comes up with 'service back up camera ' on screen.. ⚠️ 2 fire reports filed.

2 fire reports

Total Complaints

Recalls Issued

—/5

Safety Stars

0.6x

vs Segment Avg

Known Problems

OTHER

9 complaints

20%

• REAR CAMERA ONLY WORKS INTERMITTENTLY AND NEVER EARLY MORNINGS WHEN TRUCK IS PUT IN REVERSE. A BLUE SCREEN COMES UP WITH 'SERVICE BACK UP CAMERA ' ON SCREEN.
• The contact owns a 2018 GMC Sierra 2500. The contact received notification of NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dea
• The contact owns a 2018 GMC Sierra 2500. The contact received a notification for NHTSA Campaign Number: 21V496000 (Equipment) however, the part to do the recall repair was unavailable. The dealer had been notified about the recall; however, the contact was informed that the part was not yet availabl

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

“REAR CAMERA ONLY WORKS INTERMITTENTLY AND NEVER EARLY MORNINGS WHEN TRUCK IS PUT IN REVERSE. A BLUE SCREEN COMES UP WITH 'SERVICE BACK UP CAMERA ' ON SCREEN.”

— NHTSA complaint filing

ENGINE

8 complaints

17%

• TL* THE CONTACT OWNS A 2018 GMC SIERRA 2500. WHILE DRIVING 30-50 MPH UP A HILL, THE VEHICLE SHUDDERED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER AND DEALER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 5,641. THE VIN WAS INVALID.
• TL* THE CONTACT OWNS A 2018 GMC SIERRA 2500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V328000 (ENGINE); HOWEVER, THE PARTS FOR THE RECALL REMEDY WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME TO REPAIR THE VEHICLE. JONES BUICK G
• 2018 GMC SIERRA 2500 HD. CONSUMER WRITES IN REGARDS TO ACCELERATION ISSUES. THE CONSUMER STATED THE VEHICLE DISPLAYED WARNING LIGHTS. AND BEGAN SHAKING. THE VEHICLE BECAME DIFFICULT TO ACCELERATE. THE DEALER INFORMED THE CONSUMER THAT NUMBER 4 INJECTOR WAS THE CAUSE OF THE FAILURE. THE VEHICLE WA

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

“TL* THE CONTACT OWNS A 2018 GMC SIERRA 2500. WHILE DRIVING 30-50 MPH UP A HILL, THE VEHICLE SHUDDERED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER AND DEALER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 5,641. THE VIN WAS INVALID.”

— NHTSA complaint filing

ELECTRICAL

7 complaints

15%

• WHILE THE TRUCK WAS UNATTENDED, SMOKE WAS OBSERVED BY A PASSER-BY WHO CALLED THE LOCAL FIRE DEPARTMENT. FIRE DEPT BROKE A WINDOW FOR ACCESS, EXTINGUISHED FIRE. HAULED VEHICLE AWAY FOR SAFEKEEPING. HAPPENED WHILE WE WERE AT A CONDO COMPLEX, VEHICLE PARKED FOR THE EVENING. HEAT INTENSITY AND MELTED
• MY 2018 GMC SIERRA HD EXPERIENCED AN ELECTRICAL SHORT OR OVERLOAD, CAUSING A THERMAL EVENT THAT MELTED AREAS AROUND THE REAR DEFROST CIRCUIT. LOTS OF SMOKE AND BURNING SMELL, BUT LUCKILY, I DID NOT SEE FLAMES. THE EXACT ISSUE IS CURRENTLY BEING ADDRESSED UNDER GM RECALL# "N192265660 REAR WINDOW DE
• Water leak, known in other years of the same model vehicle, caused the rear defrost to fail and smoke when in operation nearly causing a fire in the vehicle as it was being operated.

Typical onset: 50K miles Est. repair: $500🔥 2 fire reports

“WHILE THE TRUCK WAS UNATTENDED, SMOKE WAS OBSERVED BY A PASSER-BY WHO CALLED THE LOCAL FIRE DEPARTMENT. FIRE DEPT BROKE A WINDOW FOR ACCESS, EXTINGUISHED FIRE. HAULED VEHICLE AWAY FOR SAFEKEEPING. HAPPENED WHILE WE WERE AT A CONDO COMPLEX, VEHICLE PARKED FOR THE EVENING. HEAT INTENSITY AND MELTED ”

— NHTSA complaint filing

FUEL SYSTEM

6 complaints

13%

• MY HUSBAND WAS DRIVING OUR BRAND NEW DENALI WHICH HAS ONLY 3500 MILES ON IT. THE ENGINE COMPLETELY SHUT DOWN CROSSING A HIGHWAY WITH 55 MILES PER HOUR POSTING AND MY DAUGTHER OF 8 YEARS OLD WAS IN THE BACK SEAT. THE ENGINE AS I SAID COMPLETELY SHUT DOWN WITH NO INDICATOR LIGHTS OR WARNING AND MY HUS
• Faulty pigtail connector for fule injectors. Cause The vehicle to shut down even while going down the highway possibly causing injury by immediate deceleration wich could cause an accident. For me on this vehicle I’ve had this happen three times and it has cost me anywhere from $800 to 1000 per inje
• Constant issues with glow plug failures, fuel rail failure, fuel pressure failure. Truck has been in the Gmc service regarding these issues constantly for the last year with a total of five repairs and replacement of glow plugs with releaning learning new plugs and now the 6th return to the shop the

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

“MY HUSBAND WAS DRIVING OUR BRAND NEW DENALI WHICH HAS ONLY 3500 MILES ON IT. THE ENGINE COMPLETELY SHUT DOWN CROSSING A HIGHWAY WITH 55 MILES PER HOUR POSTING AND MY DAUGTHER OF 8 YEARS OLD WAS IN THE BACK SEAT. THE ENGINE AS I SAID COMPLETELY SHUT DOWN WITH NO INDICATOR LIGHTS OR WARNING AND MY HUS”

— NHTSA complaint filing

LIGHTING

4 complaints

• HEADLIGHTS SHAKE WHEN GOING OVER BUMPS IN HIGHWAY. ITS DISTRACTING AND IRRITATING AND TAKES YOUR ATTENTION FROM THE ROAD WHEN IT HAPPENS.
• HID HEADLIGHTS SHAKE WHEN HITTING THE SLIGHTEST BUMP IN THE ROAD. GM SAYS IT'S NORMAL AND REFUSES TO TRY TO FIX.
• HEADLIGHT SHAKES AND FLICKERS WHILE DRIVING OVER BUMPS IN THE ROAD. HAPPENS ON CITY STREETS AND HIGHWAYS. FLICKERING IS VERY DISTRACTING AND DRAWS ATTENTION AWAY FROM YOUR SURROUNDINGS.

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

“HEADLIGHTS SHAKE WHEN GOING OVER BUMPS IN HIGHWAY. ITS DISTRACTING AND IRRITATING AND TAKES YOUR ATTENTION FROM THE ROAD WHEN IT HAPPENS.”

— NHTSA complaint filing

Estimated Repair Costs

OTHER(~50K mi)

$500

ENGINE(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

LIGHTING(~50K mi)

$500

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

🔍 Pre-Purchase Inspection Checklist

Based on 46 owner complaints for this specific year, here's what to check or ask about:

☐
OTHER: REAR CAMERA ONLY WORKS INTERMITTENTLY AND NEVER EARLY MORNINGS WHEN TRUCK IS PUT IN REVERSE. A BLUE SCREEN COMES UP WITH 'SERVICE BACK UP CAMERA ' ON SCREEN.
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: TL* THE CONTACT OWNS A 2018 GMC SIERRA 2500. WHILE DRIVING 30-50 MPH UP A HILL, THE VEHICLE SHUDDERED. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER AND DEALER WERE NOT CONTACTED. THE FAILURE MILEAGE WAS 5,641. THE VIN WAS INVALID.
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: WHILE THE TRUCK WAS UNATTENDED, SMOKE WAS OBSERVED BY A PASSER-BY WHO CALLED THE LOCAL FIRE DEPARTMENT. FIRE DEPT BROKE A WINDOW FOR ACCESS, EXTINGUISHED FIRE. HAULED VEHICLE AWAY FOR SAFEKEEPING. HAPPENED WHILE WE WERE AT A CONDO COMPLEX, VEHICLE PARKED FOR THE EVENING. HEAT INTENSITY AND MELTED
Typically appears around 50K miles. Repair cost ~$500
☐
FUEL SYSTEM: MY HUSBAND WAS DRIVING OUR BRAND NEW DENALI WHICH HAS ONLY 3500 MILES ON IT. THE ENGINE COMPLETELY SHUT DOWN CROSSING A HIGHWAY WITH 55 MILES PER HOUR POSTING AND MY DAUGTHER OF 8 YEARS OLD WAS IN THE BACK SEAT. THE ENGINE AS I SAID COMPLETELY SHUT DOWN WITH NO INDICATOR LIGHTS OR WARNING AND MY HUS
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)