1998 GMC Sierra 1500 Wheel & Tire Sizes
Complete fitment guide for the 1998 GMC Sierra 1500: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x127 bolt pattern, for every trim.
Bolt Pattern
5x127 / 6x139.7
Varies by trim
Centre Bore
78.3 mm
Lug nuts
M14 x 1.5
Wheel Diameters
15"–26"
Factory (OEM) Tire Sizes for the 1998 GMC Sierra 1500
OEM sizes
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
1998 GMC Sierra 1500 Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 1998 GMC Sierra 1500 configuration.
2WD · Pickup, 2d
V6 · Petrol · Bolt pattern: 5x127
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–26" |
| Wheel width | 6.5–10.5" |
| Wheel offset | -12–40 mm |
| Tire width | 225–285 mm |
4WD · Pickup, 2d
V6 · Petrol · Bolt pattern: 6x139.7
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 16–26" |
| Wheel width | 7–10.5" |
| Wheel offset | -12–40 mm |
| Tire width | 255–285 mm |
1998 GMC Sierra 1500 Fitment FAQ
What is the bolt pattern on a 1998 GMC Sierra 1500?
The 1998 GMC Sierra 1500 uses 5x127 or 6x139.7 depending on trim, check the per-trim tables below to confirm which applies to your configuration. The centre bore is 78.3 mm.
What size tires fit a 1998 GMC Sierra 1500?
Factory (OEM) tire sizes for the 1998 GMC Sierra 1500 include 225/75R15, 235/75R15, 235/70R16, 255/65R16, 255/70R16, 255/60R17, 255/65R17, 255/55R18, 255/60R18, 275/55R18, 285/45R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 1998 GMC Sierra 1500?
Depending on trim, the 1998 GMC Sierra 1500 accepts wheels from 15" up to 26" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 1998 GMC Sierra 1500 use?
The 1998 GMC Sierra 1500 uses M14 x 1.5 lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.