6.0

fairly significant
Typical Repair Cost:
No data
Average Mileage:
7,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. rear window repalced (1 reports)
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This problem may be covered under warranty. Ask your GMC dealer.

problem #1

Jun 042023

Sierra 3500 Denali 6.6L Turbo Diesel

  • Automatic transmission
  • 7,000 miles

Rear window leaked water inside. This is apparently a known issue. Window was replaced under warranty.

- Pete J., Pasco, WA, US