2013 Buick Regal Wheel Offset

Quick specs

Wheel size
8x18 · 8.5x19 · 8.5x20 · 7x17
Offset
ET42 · ET45 · ET47 · ET41
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

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
2.0T · 2.0L, I4, Petrol8x189x18ET42 / ET305.65 in235/50R185x12066.9 mmM14 x 1.5
2.0T · 2.0L, I4, Petrol8.5x19ET456.02 in245/40R195x12066.9 mmM14 x 1.5
2.0T · 2.0L, I4, Petrol8.5x20ET476.10 in255/35R205x12066.9 mmM14 x 1.5
2.4i · I4, Petrol7x17ET415.11 in235/50R175x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8x189x18ET42 / ET305.65 in235/50R185x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8.5x19ET456.02 in245/40R195x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8.5x20ET476.10 in255/35R205x12066.9 mmM14 x 1.5
1.6T · I4, Petrol7x17ET425.15 in225/55R175x11570.3 mmM14 x 1.5
2.0T · I4, Petrol8x189x18ET42 / ET305.65 in245/45R185x11570.3 mmM14 x 1.5

Wheels and hardware

More on Amazon

Lug hardware

More on Amazon
  • 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.

    Check price on Amazon
  • 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.

    Check price on Amazon
  • 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

Real-World 2013 Buick Regal Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

  • 22-inch — 2 documented builds

2 documented builds.

2013 Buick Regal custom wheel setup

Staggered · 22×9 / 22×10.5

Documented on a 2013 Buick Regal build — observed custom fitment, not a universal fit guarantee.

Wheel: Gianelle Lucca

Front
22×9 · 225/30R22
Rear
22×10.5 · 275/25R22
Compared with OEM

Compared with the 20×8.5 ET47 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM
2013 Buick Regal custom wheel setup

Staggered · 22×9 / 22×10.5

Documented on a 2013 Buick Regal build — observed custom fitment, not a universal fit guarantee.

Wheel: Gianelle Lucca

Front
22×9 · 225/30R22
Rear
22×10.5 · 275/25R22
Compared with OEM

Compared with the 20×8.5 ET47 OEM configuration. Calculated geometry only — not fit confirmation.

  • Diameter +2" vs OEM

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

Open full fitment calculator

More specs for the 2013 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.