Is the 2020 GMC Sierra 3500 reliable?

The GMC Sierra 3500 received a rating of 3 out of 5 stars from RepairPal, which RepairPal describes as Average. This rating ranks the GMC Sierra 3500 as 13​​ out of 19​​ among Fullsize Truck

What is the towing capacity for the 2020 GMC Sierra 3500?

The 2020 GMC Sierra 3500 has a maximum towing capacity of 20000 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.

What's new for the 2020 GMC Sierra 3500?

Here is what's new for the 2020 GMC Sierra 3500:
  • AT4
  • Rear Seat Heaters
  • Blind Spot Monitor
  • Smart Key
  • 20 Inch Plus Wheels

Find Used GMC Sierra 3500 For Sale By Year

Find Used 2020 GMC Sierra 3500 For Sale By Trim

This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.