2015 Buick Regal Wheel Offset
Quick specs
- Wheel size
- 8x18 · 8.5x19 · 8.5x20 · 7x17
- Offset
- ET42 · ET45 · ET41 · ET40
- Backspacing
- Multiple — see configurations
- Bolt pattern
- 5×120, 5×115
- Center bore
- 66.9 mm, 70.3 mm
- Thread
- M14×1.5
- Tire size
- Multiple — see configurations
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 2.0T · 2.0L, I4, Petrol | 8x18 | 9x18 | ET42 / ET30 | 5.65 in | 235/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.0T · 2.0L, I4, Petrol | 8.5x19 | — | ET45 | 6.02 in | 245/40R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.0T · 2.0L, I4, Petrol | 8.5x20 | — | ET41 | 5.86 in | 255/35R20 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 7x17 | — | ET42 | 5.15 in | 245/50R17 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 8x18 | 9x18 | ET42 / ET30 | 5.65 in | 235/50R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 8x18 | 9x18 | ET42 / ET30 | 5.65 in | 245/45R18 | 5x120 | 66.9 mm | M14 x 1.5 |
| 2.4i · 2.4L, I4, Petrol | 8.5x19 | — | ET40 | 5.82 in | 245/40R19 | 5x120 | 66.9 mm | M14 x 1.5 |
| 1.6T · I4, Petrol | 7x17 | — | ET42 | 5.15 in | 225/55R17 | 5x115 | 70.3 mm | M14 x 1.5 |
| 2.0T · I4, Petrol | 8x18 | 9x18 | ET42 / ET30 | 5.65 in | 245/45R18 | 5x115 | 70.3 mm | M14 x 1.5 |
| 2.0i · I4, Petrol | 7x17 | — | ET42 | 5.15 in | 225/55R17 | 5x115 | 70.3 mm | M14 x 1.5 |
Wheels and hardware
More on AmazonLug hardware
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White Knight 1309-1S-20AM Chrome M14x1.50 Open-End Bulge Acorn Lug Nut, 20 Pack
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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White Knight 1709D-4 Chrome Duplex Bulge Lug Nut for Chevy/Dodge/Chrysler - 4 Piece
Confirmed vehicle catalog match. Confirm seat type for your wheel.
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Set of 20 Veritek 14x1.5mm Gloss Black Spline Drive Tuner Lug Nuts w/Key 1.40 Inch for Aftermarket Custom Wheels
Confirmed vehicle catalog match. Confirm seat type for your wheel.
Check price on Amazon
Wheel locks
More on Amazon
White Knight Wheel Accessories 41900 Chrome M14x1.50 Open End Acorn Wheel Lock Set, 4 Count(Pack of 1), 14mm x 1.50
Confirmed vehicle catalog match. Confirm seat style for your wheel.
Check price on Amazon
Compare your own setup
See how a different width or offset sits versus an OEM configuration for this year.
More specs for the 2015 Buick Regal
Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.