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EnginePart report

2014 GMC Sierra 2500 Engine Problems

Complaints
3about this part
Share
10%of 30 total for the year
Median mileage
45,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine of the 2014 GMC Sierra 2500, 10% of the 30 complaints for this model year. Where a mileage was given, the median is 45,000 miles. 1 of these say a crash was involved, according to the filers.

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

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I purchased this truck november 26 2016, within a month I was sitiing in my driveway I turned the truck on when I went out to go to work in the morning I got a bunch of flashing lights service stabilitrak, service 4wheel drive, service traction control, made multiple attempts to contact five star auto in biddeford, brought the truck in they refused to fix issues, asked for a trade nothing on the lot was worth purchasing without putting me out more than I already owed,christmas morning the truck was towed to weirs in arundel they pulled the truck apart and found a bunch of wires were corroded…”

NHTSA complaint #11013622, filed 2017-08

Related service bulletins

Engine: other model years

YearComplaintsShare of year
202618%
2025414%
20241211%
202339%
202249%
2021815%
20201013%
2019619%
2018823%
2017616%
2016915%
201578%
2014310%
201312%
2012310%
201158%
2010110%
200926%
200846%
200711%
200554%
200496%
200364%
200221%
200186%

Other parts of the 2014 GMC Sierra 2500

Other or unknown
7 complaints
Air bags
6 complaints
Steering
6 complaints
Electrical system
4 complaints
Fuel system
3 complaints
Transmission and drivetrain
3 complaints
Electronic stability control
2 complaints
Vehicle speed control
2 complaints
Brakes
1 complaints
Engine cooling
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2014 GMC Sierra 2500

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