2000 Buick Regal Wheel & Tire Sizes
Complete fitment guide for the 2000 Buick Regal: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x115 bolt pattern — for every trim.
Bolt Pattern
5x115
Centre Bore
70.3 mm
Lug nuts
1/2" - 20 UNF
Wheel Diameters
15"–20"
2000 Buick Regal Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2000 Buick Regal configuration.
3.8 · Saloon
V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–20" |
| Wheel width | 6–9" |
| Wheel offset | 34–44 mm |
| Tire width | 215–245 mm |
3.8SC · Saloon
3.8L · V6 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 15–20" |
| Wheel width | 6–9" |
| Wheel offset | 34–44 mm |
| Tire width | 215–245 mm |
2000 Buick Regal Fitment FAQ
What is the bolt pattern on a 2000 Buick Regal?
The 2000 Buick Regal uses a 5x115 bolt pattern (5 lug nuts on a 115 mm circle) with a 70.3 mm centre bore.
What wheel sizes can I put on a 2000 Buick Regal?
Depending on trim, the 2000 Buick Regal accepts wheels from 15" up to 20" 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 2000 Buick Regal use?
The 2000 Buick Regal uses 1/2" - 20 UNF 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.