GMC / Sierra 1500 / 2025
2025 GMC Sierra 1500 problems
Owners have filed 188 complaints about the 2025 GMC Sierra 1500 with NHTSA. Engine accounts for 28.7% of them, the clear leader, ahead of power train at 13.8%.
Complaints188
Crashes7
Fires3
Injuries0
Deaths0
What owners report breaking
Engine 28.7% · 54
Power train 13.8% · 26
Electrical system 13.3% · 25
Unknown or other 8.0% · 15
Forward collision avoidance 6.9% · 13
Service brakes 3.7% · 7
Vehicle speed control 3.7% · 7
Back over prevention 3.2% · 6
Severity
Of those complaints, 7 describe a crash and 3 describe a fire.
Reading the numbers
Across the 29 model years of the GMC Sierra 1500 in this data, 2025 sits 23rd by complaint volume. 2014 draws the most.
The median odometer reading at the time of complaint was 17,000 miles.
In owners' own words
On XXX my 2025 gmc sierra 6.2L v8 engine experience catastrophic engine failure with no preexisting alerts or warnings. It was towed to Baglier gmc in [XXX] on XXX and is currently awaiting diagnostic evaluation. Upon restarting the vehicle after failure, the engine light did turn on. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) Engine
While on the freeway at 65mph the truck experience a hard gear shift, loss of acceleration, went into shut down, lost steering assist, and brakes became hard, lights came on the dash for transmission issue massage, as well as Check engine light. Safety became a major concern with loss of power in the mids of a flow off traffic at freeway speeds. Vehicle had to be towed. Engine
Truck started with a knocking noise in the engine that developed into a grinding noise. Dealer Service Department inspected and did a transmission tear down only to discover the issue is with the excessive play in the crankshaft. At 13K miles, the service department has stated the entire engine needs to be replaced. Engine
Verbatim from NHTSA filings. Complaints are unverified owner reports.
Safety recalls
Checking NHTSA for open recalls…