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2018 GMC Sierra Denali

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
17Owner complaints

Model-year median: 12

0Recall campaigns

View recall details →

0Investigations

View investigation details →

How this year compares

Owner complaints by model year

Other model years Selected year
22
201530
201614
201717
201826
201911
2020
Compare all Sierra Denali years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Engine
5Service Brakes
4Structure
4Exterior Lighting
3Steering
3
All reported categories
Electronic Stability Control (esc)
2Power Train
2Suspension
1Unknown Or Other
1Wheels
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 13 of 17 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports1 injury reports

Wheels complaints

1 reports
Clear category filter
26,000 miles · Jun 21, 2020
Wheels

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…

Read full complaint

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

NHTSA ODI #11329856

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.