Tires for the 1981 GMC K2500
The 1981 GMC K2500 uses 9.5R16.5, depending on trim. Choose your trim’s size to see tires in stock.
Tire sizes by trim
| Trim | Original tire sizes |
|---|---|
| 4wd Pick-up | 9.5R16.5 |
Confirm your size on the driver’s door placard; options and package changes can affect fitment.
Frequently asked questions
What size tires does a 1981 GMC K2500 take?
The 1981 GMC K2500 came with 9.5R16.5 depending on trim. The exact size is printed on the driver’s door placard.