August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 25 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 27 days ago
July 18: GM Class Action Lawsuit Focuses on Radiator Hose Connector news | 64 days ago
July 5: GM Rear Sliding Window Water Leaks Cause Lawsuit news | 77 days ago
8.0
pretty bad- Typical Repair Cost:
- No data
- Average Mileage:
- 500 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- not sure (1 reports)
accessories - interior problem
Helpful websites
- No one has added a helpful site for this 2018 Sierra 2500 problem yet. Be the first!




A D V E R T I S E M E N T S
The passenger seat rattle is so annoying. I have brought it in 3 times now.
First time, tightened loose bolt, noise was gone for a week or so.
Second time, replaced seat frame, noise gone for awhile now it is back.
3rd time different dealer. They cannot find a problem, really.
- Jeff B., Oakley, US