GMC Sierra 1500 / 2025
2025 GMC Sierra 1500 problems
Owners have filed 148 complaints about the 2025 GMC Sierra 1500 with NHTSA. Engine accounts for 27% of them — the clear leader, ahead of electrical system at 14.2%.
Complaints148
Crashes7
Fires0
Injuries0
Deaths0
What owners report breaking
Engine 27.0% · 40
Electrical system 14.2% · 21
Power train 14.2% · 21
Unknown or other 8.1% · 12
Forward collision avoidance 6.8% · 10
Back over prevention 4.1% · 6
Fuel/propulsion system 4.1% · 6
Vehicle speed control 3.4% · 5
Severity
Of those complaints, 7 describe a crash.
Reading the numbers
Across the 29 model years of the GMC Sierra 1500 in this data, 2025 sits 26th by complaint volume. 2014 draws the most.
The median odometer reading at the time of complaint was 16,500 miles.
In owners' own words
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
2025 GMC Sierra 1500 has had 2 engine failures since purchase date June 2025. Engine failed on a road trip with my family, leaving me stranded for hours. After the problem being resolved, engine failed once again after 5 months. On the dash it said loss of power and wouldnât crank to turn ON Engine
Verbatim from NHTSA filings. Complaints are unverified owner reports.
Safety recalls
Checking NHTSA for open recalls…