Not sure what rimDiameter size options are for your 1985 GMC C2500 GVWR 6400 with 7?
Choose from the options below.
Version/Option
Tire Size
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
Version/Option
Tire Size
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
Version/Option
Tire Size
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
Version/Option
Tire Size
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
235/85R16
235/85R16
235/85R16
Front: 235/85R16, Rear: 235/85R16
215/85R16
Version/Option
Tire Size
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Version/Option
Tire Size
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
215/85R16
215/85R16
215/85R16
Front: 215/85R16, Rear: 215/85R16
Find your version / option
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb