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
- 5x120 · 5x115
- Center bore
- 66.9 mm · 70.3 mm
- Thread
- M14 x 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 |
Lug hardware
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White Knight 1309-1S-20AM Chrome M14x1.50 Open-End Bulge Acorn Lug Nut, 20 Pack
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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White Knight 1709D-4 Chrome Duplex Bulge Lug Nut for Chevy/Dodge/Chrysler - 4 Piece
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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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
Catalog match for this vehicle. Confirm seat type and wheel style before buying.
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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.