GMC Sierra
transmission Problems
We don't have a lot of GMC Sierra transmission problems on file — feel free to add yours here. The most common Sierra transmission problems occur at 43,000 miles.
The worst model years for transmission problems are the 2017 Sierra, 2005 Sierra, and the 2007 Sierra.
Worst GMC Sierra Transmission Problems
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#1: Clunky, Shakes Body When Shifting 2017 Sierra
- Average Cost to Fix:
- N/A
- Average Mileage:
- 6,000 mi
-
#2: Transmission Failure 2007 Sierra
- Average Cost to Fix:
- N/A
- Average Mileage:
- 13,000 mi
-
#3: Not Shifting Properly 1989 Sierra
- Average Cost to Fix:
- N/A
- Average Mileage:
- 110,000 mi