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Engine coolingPart report

2025 GMC Sierra 3500 Engine cooling Problems

Complaints
1about this part
Share
6%of 17 total for the year
Median mileage
40,000miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 1 complaints about the engine cooling of the 2025 GMC Sierra 3500, 6% of the 17 complaints for this model year. Where a mileage was given, the median is 40,000 miles.

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

Engine cooling: other model years

YearComplaintsShare of year
202516%
202412%
202314%
202012%
201918%
201615%
201513%
2009120%
200716%
200619%
200528%
200215%
2001617%
2000312%
1999211%
1997110%

Other parts of the 2025 GMC Sierra 3500

Brakes
5 complaints
Electrical system
3 complaints
Engine
2 complaints
Forward collision avoidance
2 complaints
Other or unknown
2 complaints
Body and structure
2 complaints
Tires
2 complaints
Equipment
1 complaints
Exterior lighting
1 complaints
Lane departure
1 complaints
Steering
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2025 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