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EnginePart report

2018 GMC Sierra 3500 Engine Problems

Complaints
1about this part
Share
7%of 14 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine of the 2018 GMC Sierra 3500, 7% of the 14 complaints for this model year. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Related recalls

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2025212%
2024816%
2023311%
202239%
2021315%
2020612%
2019215%
201817%
2017215%
2016526%
2015413%
2014114%
2013214%
2012333%
201115%
200814%
2007213%
200514%
200215%
200126%

Other parts of the 2018 GMC Sierra 3500

Brakes
6 complaints
Steering
3 complaints
Electrical system
2 complaints
Exterior lighting
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Electronic stability control
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2018 GMC Sierra 3500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology