- July 10: GM Recalls 686,000 Vehicles With Liftgates That Fall On You
- June 6: GM Recalls 15,000 Cars and Trucks, Some For Third Time
1991 GMC Sierra 1500
AC / heater Problems
Worst 1991 Sierra 1500 AC / heater Problems
Click on a problem below to read more.
Stay Up to Date
Compare GMC Sierra 1500 Model Years
Curious how the 1991 Sierra 1500 compares to other years?
Check out our GMC Sierra 1500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 1500.