2015 Model Year

GMC Sierra 2500

NHTSA Complaints & Reliability Data

Compare
Complaints
87
Recalls
0
Crashes
5
Severe
11

Recent Complaints

Latest owner reports

Electrical System
Jan 2026

Odometer Fraud. The contact purchased a 2015 GMC Sierra 2500. The contact stated that while attempting to register the vehicle, it was discovered that...

UNKNOWN OR OTHER
Jan 2026

I have went to a dealership to try and trade this vehicle in and they have informed me that this vehicles odometer has been rolled back prior to me pu...

FUEL SYSTEM, DIESEL
Oct 2025

The contact owns a 2015 GMC Sierra 2500. The contact stated while driving at an undisclosed speed, the vehicle lost automotive power and stalled. No w...

Engine
Jun 2025

Blown head gasket. Engine hydro-locked.

Engine
Oct 2024

The contact owns a 2015 GMC Sierra 2500. The contact stated that while driving at 45-48 MPH, the check engine warning light illuminated. The contact u...

Power Train
Aug 2024

The truck is a 2015 GMC Sierra 2500 HD. With less than 51,000 miles, the transmission is gone due to a design flaw. Around march 8th, the transmission...

ELECTRICAL SYSTEM,SERVICE BRAKES
Jul 2024

Electric trailer brake control modular is malfunctioning on my 2015 GMC Sierra Denali 3500. Multiple of sources told me this is a common problem with...

UNKNOWN OR OTHER
Feb 2024

Had tailgate switch safety recall completed in June 2024. Beginning November 25th, 2024, tailgate switch began randomly opening tailgate while driving...

ENGINE,FUEL/PROPULSION SYSTEM
Dec 2023

While driving down the highway at 60 mph, the truck stumbled then completely died. After coasting to a stop truck would not restart. Towed to a repair...

FUEL/PROPULSION SYSTEM
Nov 2023

Truck has a CP4 injection pump and they go bad and cost $15,000-$20,000 to repair and if that happens I owe money on the truck and would have to get a...

VS

Vehicle Safety Research Team

Automotive Data Analysts

Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.

Data updated: March 5, 2026

Summary

The 2015 GMC Sierra 2500 has 87 complaints and 0 recalls on record. The most commonly reported issue is Exterior Lighting. 5 crash-related incidents have been reported.

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