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.