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

Explore wheels at Tire Rack

Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

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, Petrol8.5x19—ET456.02 in245/40R195x12066.9 mmM14 x 1.5
2.0T · 2.0L, I4, Petrol8.5x20—ET476.10 in255/35R205x12066.9 mmM14 x 1.5
2.4i · I4, Petrol7x17—ET415.11 in235/50R175x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8x189x18ET42 / ET305.65 in235/50R185x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8.5x19—ET456.02 in245/40R195x12066.9 mmM14 x 1.5
2.4i · I4, Petrol8.5x20—ET476.10 in255/35R205x12066.9 mmM14 x 1.5
1.6T · I4, Petrol7x17—ET425.15 in225/55R175x11570.3 mmM14 x 1.5
2.0T · I4, Petrol8x189x18ET42 / ET305.65 in245/45R185x11570.3 mmM14 x 1.5

Lug hardware

More on Amazon

Wheel locks

More 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.