8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
34,600 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
Get notified about new defects, investigations, recalls & lawsuits for the 2021 GMC Sierra 2500:

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

Get free help with your lemon!
close ad

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

problem #1

Oct 082021

Sierra 2500 SLT 6.6L

  • Automatic transmission
  • 34,578 miles

Lane assistance will not turn on, period. Took it to the shop with a picture of the issues. They still have my truck after 3 days.

- Roger S., Mount Orab, US