2011 Buick Regal Wheel & Tire Sizes
Complete fitment guide for the 2011 Buick Regal: factory tire sizes, compatible wheel diameters, widths and offsets, and the 5x120 bolt pattern — for every trim.
Bolt Pattern
5x120
Centre Bore
66.9 mm
Lug nuts
M14 x 1.5
TPMS
315 MHz
Factory (OEM) Tire Sizes for the 2011 Buick Regal
Click any size to shop tires in stock now — free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2011 Buick Regal Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2011 Buick Regal configuration.
2.0T · Saloon
2.0L · I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 18–20" |
| Wheel width | 8–9" |
| Wheel offset | 34–47 mm |
| Tire width | 235–255 mm |
2.4i · Saloon
I4 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17–20" |
| Wheel width | 7–9" |
| Wheel offset | 34–47 mm |
| Tire width | 235–255 mm |
2011 Buick Regal Fitment FAQ
What is the bolt pattern on a 2011 Buick Regal?
The 2011 Buick Regal uses a 5x120 bolt pattern (5 lug nuts on a 120 mm circle) with a 66.9 mm centre bore.
What size tires fit a 2011 Buick Regal?
Factory (OEM) tire sizes for the 2011 Buick Regal include 235/50R17, 235/50R18, 245/40R19, 255/35R20. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2011 Buick Regal?
Depending on trim, the 2011 Buick Regal accepts wheels from 17" 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 2011 Buick Regal use?
The 2011 Buick Regal 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.