10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
12,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
Get notified about new defects, investigations, recalls & lawsuits for the 2012 GMC Sierra:

Unsubscribe any time. We don't sell/share your email.

This problem may be covered under warranty. Ask your GMC dealer.

problem #1

May 282012

Sierra HD Denali 6.6L V8 Turbodiesel

  • Automatic transmission
  • 12,000 miles

A brand new truck should not develop a fuel leak which causes smoke to billow into the cabin and make the driver and passengers sick!

- John P., Erie, CO, US