Print report
May 13: Do Not Drive Warning For Cadillac, Chevrolet and GMC Models recalls | 12 days ago
May 10: GM Argues Vacuum Pump Failure Lawsuit is Itself a Failure news | 15 days ago
April 5: GM Brake Master Cylinder Failure Lawsuit Names 5 Models news | 50 days ago
March 24: GM Recalls Chevy and GMC Trucks With Dual Fuel Tanks recalls | 62 days ago
March 1: GM Engine Failure Class Action Lawsuit Begins news | 85 days ago
2026 GMC Sierra 1500
Problems & Complaints
Worst 2026 GMC Sierra 1500 Problems by Category
Stay Up to Date
Compare GMC Sierra 1500 Model Years
Curious how the 2026 Sierra 1500 compares to other years?
Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.
Worst 2026 GMC Sierra 1500 Problems
-
#1: Catastrophic Engine Failure 2026 Sierra 1500
- Average Cost to Fix:
- N/A
- Average Mileage:
- 3,000 mi
We're actively collecting data on the worst problems for the GMC Sierra 1500.
Please add any complaints you have so we have more helpful data to show!





