GMC Sierra 2500
NHTSA Complaints & Reliability Data
Top Problem Areas
Most commonly reported issues
Recent Complaints
Latest owner reports
A couple times I heard loud clanking coming from rear brakes. One time in particular I was trying to stop and it felt line someone had ran into my tru...
The main tailgate will not go down or function properly and it says online there is a national recall for this, but does not come up when I search my...
Bad vibration and bad wobble in steering wheel and front end components. This is the 3rd or 4th time my truck has been back to the dealer because of t...
The rear defroster massively overheated. It started heavily smoking and eventually exploded the rear windows. Only warning sign was the smoke which we...
The contact owns a 2020 GMC Sierra 2500. The contact stated that while driving approximately 70-80 MPH, the transmission downshifted, and the rear whe...
Torque converter in my transmission we out, causing my gears to grind and lose power. Slight rumbling sound under the front passenger seat, First de...
The catalytic converter failed at 93,000 miles, and 64 months. GM says it is out of warranty.
Catastrophic engine failure after taking it in for the April 2025 recall. Complete engine replacement needed
I have taken the vehicle to my local dealership six times. The tailgate started opening and the headlights were blinking on and off. This happened 3 m...
The contact owns a 2020 GMC Sierra 2500. The contact stated that while her husband was driving 30 MPH, the rear wheels locked up and the vehicle skidd...
Vehicle Safety Research Team
Automotive Data Analysts
Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.
Summary
The 2020 GMC Sierra 2500 has 71 complaints and 0 recalls on record. The most commonly reported issue is Power Train. 1 crash-related incidents have been reported.