2018 Gmc SIERRA DENALI: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
17 owner complaints analyzed
0 distinct recall campaigns
28,000 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 13 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 5 of 17 complaints (29.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 4 | 23.5% |
| Braking behavior | 4 | 23.5% |
| Engine operation | 1 | 5.9% |
| Steering behavior | 1 | 5.9% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 5 |
| Service Brakes | 4 |
| Steering | 3 |
| Structure:Body | 3 |
| Electronic Stability Control (Esc) | 2 |
| Exterior Lighting | 2 |
| Power Train | 2 |
| Exterior Lighting:Headlights | 1 |
Engine: 5; Service Brakes: 4; Steering: 3; Structure:Body: 3; Electronic Stability Control (Esc): 2; Exterior Lighting: 2; Power Train: 2; Exterior Lighting:Headlights: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 4 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 5; 25,000 to 49,999: 4; 50,000 to 74,999: 2; 75,000 to 99,999: 1; 100,000 to 149,999: 1; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (5). 4 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 9 |
| 2021 | 2 |
| 2023 | 1 |
| 2026 | 2 |
2018: 2; 2019: 1; 2020: 9; 2021: 2; 2023: 1; 2026: 2
Pattern summary
Engine leads the component reports. Transmission and shifting appears in 4 complaint narratives. Braking behavior appears in 4 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11079106 · 2018-03-14 (March 14, 2018)
TL* THE CONTACT OWNS A 2018 GMC SIERRA DENALI. WHILE DRIVING VARIOUS SPEEDS, THE HEADLIGHTS MOVED WHEN DRIVING OVER A BUMP IN THE ROAD. THE VEHICLE WAS TAKEN TO WHITAKER BUICK GMC (131 19TH ST SW, FOREST LAKE, MN 55025, [phone removed]) AND MCCARTHY AUTO WORLD (3350 129TH AVE NW, COON RAPIDS, MN 55448, [phone removed]) AND WAS INFORMED THAT THE HEADLIGHTS WERE OPERATING AS DESIGNED. THE CONTACT NOTIFIED THE MANUFACTURER OF THE FAILURE AND A CASE WAS OPENED. THE APPROXIMATE FAILURE MILEAGE WAS 200.
Owner-reported narrative. 200 miles reported. Look up ODI 11079106 at NHTSA ↗
Owner report 11110980 · 2018-07-12 (July 12, 2018)
TL* THE CONTACT OWNS A 2018 GMC SIERRA DENALI. THE CONTACT STATED THAT THE HEADLIGHTS VIBRATED AND BOUNCED WHILE THE VEHICLE WAS IN MOTION. WHILE DRIVING ON ROUGH TERRAIN AND ALSO WHEN APPROACHING ONCOMING TRAFFIC, IT WAS DIFFICULT FOR THE CONTACT TO SEE THE ROAD. THE VEHICLE WAS TAKEN TO THE DEALER (MURDOCK MANHATTAN CHEVROLET-CADILLAC, 600 MCCALL RD, MANHATTAN, KS 66502, [phone removed]) WHERE IT WAS DETERMINED THAT THERE WAS NO FAILURE WITH THE HEADLIGHTS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND A CAS…
Owner-reported narrative. 6,181 miles reported. Look up ODI 11110980 at NHTSA ↗
Owner report 11228903 · 2019-07-02 (July 2, 2019)
TL* THE CONTACT OWNS A 2018 GMC SIERRA DENALI. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 19V328000 (ENGINE). THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND STATED THAT THE PART WAS NOT AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
Owner-reported narrative. Look up ODI 11228903 at NHTSA ↗
Owner report 11317267 · 2020-03-10 (March 10, 2020)
1-IT NEEDS TO APPLY THE BRAKE SO HARD TO MAKE IT STOP AT 100 KM/HR AND ABOVE.. 2-THERE IS A JERK ON DOWN '2ND TO 1ST "AND UP SHIFTING 1ST TO 2ND GEAR. 3-FRONT PARKING SENSORS SENSITIVITIES IS NOT ACCURATE .
Owner-reported narrative. Look up ODI 11317267 at NHTSA ↗
Owner report 11319221 · 2020-03-25 (March 25, 2020)
TL* THE CONTACT OWNS A 2018 GMC SIERRA DENALI. THE CONTACT STATED THAT WHILE DRIVING AT NIGHT, THE HEADLAMPS FAILED TO ADEQUATELY ILLUMINATE THE ROADWAY. THE VEHICLE WAS TAKEN TO MURDOCK CHEVROLET BUICK GMC CADILLAC LOCATED AT (1955 MAIN ST, LOGAN, UT 84341, [phone removed]) WHERE THE TECHNICIAN ATTEMPTED TO ADJUST THE HEADLAMPS HOWEVER, THE HEADLAMPS WERE ALREADY ADJUSTED TO SPECS. THE CONTACT STATED THAT THERE WAS NO IMPROVEMENT IN VISIBILITY WHILE SHIFTING FROM LOW BEAM TO HI BEAM. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED …
Owner-reported narrative. 4,000 miles reported. Look up ODI 11319221 at NHTSA ↗
Owner report 11320407 · 2020-04-07 (April 7, 2020)
TL* THE CONTACT OWNS A 2018 GMC SIERRA DENALI. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 19V328000 (ENGINE) 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. SOECHTIN MOTORS GMC LOCATED AT (603 EAST KINGSBURY STREET, SEGUIN, TX 78155, (830)355-2098, WAS CONTACTED AND CONFIRMED THAT THE PART WAS NOT AVAILABLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. PARTS DISTRIBUTION DISCONNECT.
Owner-reported narrative. Look up ODI 11320407 at NHTSA ↗
Owner report 11329856 · 2020-06-21 (June 21, 2020)
WHILE GETTING MY TRUCK INSPECTED THE SHOP OWNER TOLD ME ABOUT A BULGE ON RIGHT FRONT TIRE. HE ASKED ME IF THEY SOLD THAT TO ME LIKE THAT I PROCEEDED TO TELL HIM YES. HE SAID IT SHOULD BE REPORTED SO THAT IS WHAT I'M DOING. I'M NOT SURE IF THIS IS COVERED. I CONSIDERED IT A SAFETY WHEN VEHICLE WAS PURCHASED IN TENNESSEE AND GOING TO UPSTATE NY, AND I'M 74 YRS OLD. WIDOW
Owner-reported narrative. 26,000 miles reported. Look up ODI 11329856 at NHTSA ↗
Owner report 11329880 · 2020-06-21 (June 21, 2020)
THE REAR END MAKES NOISE WHEN TURNING AND SOMETIMES STOPING. WHEN WEIGHT IS PLACE ON BED THE REAR END MAKE NOISES. SOMETHING IS WRONG IN THE REAR END OF THIS TRUCK. WHEN TRUCK IS MOVING AND TURNING YOU CAN HERE THE NOISE.
Owner-reported narrative. 28,000 miles reported. Look up ODI 11329880 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.