1999 GMC Sonoma Wheel & Tire Sizes
Complete fitment guide for the 1999 GMC Sonoma: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x120.7 bolt pattern — for every trim.
Bolt Pattern
5x120.7
Centre Bore
70.3 mm
Lug nuts
M12 x 1.5
Wheel Diameters
15"–16"
1999 GMC Sonoma Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 1999 GMC Sonoma configuration.
2.2i · Pickup
2.2L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15" |
| Wheel width | 7" |
| Wheel offset | -6.4 mm |
| Tire width | 205–235 mm |
4.3i · Pickup
4.3L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15" |
| Wheel width | 7" |
| Wheel offset | 50 mm |
| Tire width | 205–235 mm |
4.3i · Pickup · 4x4
4.3L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15" |
| Wheel width | 7" |
| Wheel offset | 50 mm |
| Tire width | 205–235 mm |
4.3i · Pickup
4.3L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–16" |
| Wheel width | 7–8" |
| Wheel offset | -6.4–6.4 mm |
| Tire width | 205–235 mm |
1999 GMC Sonoma Fitment FAQ
What is the bolt pattern on a 1999 GMC Sonoma?
The 1999 GMC Sonoma uses a 5x120.7 bolt pattern (5 lug nuts on a 120.7 mm circle) with a 70.3 mm centre bore.
What wheel sizes can I put on a 1999 GMC Sonoma?
Depending on trim, the 1999 GMC Sonoma accepts wheels from 15" up to 16" 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 1999 GMC Sonoma use?
The 1999 GMC Sonoma uses M12 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.