2010 Buick Regal tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2010 trim.

Tires for the 2010 Buick Regal

Sizes most trims come with first. Open your trim below for its exact size.

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Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

2009–2013 4 trims

Regal 1.6T +1 variant 177 hp · I4 225/55R17 1 fitment

Same tires and wheels on: 2.0i

Check price on Amazon · 225/55R17 Wheels 17x7 ET42 · 5x115 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
225/55R17	Rim 17x7 ET42 ~~5x115~~	–

Regal 2.0T +1 variant 217 hp · I4 245/45R18 1 fitment

Same tires and wheels on: 2.4i

Check price on Amazon · 245/45R18 Wheels 18x8 ET42 · 5x115 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
245/45R18	Rim 18x8 ET42 ~~5x115~~	–

What these columns mean

Rim size: Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD): Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore: Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure: Recommended cold inflation pressure for that axle, in psi.
Thread size: Lug bolt or nut thread — needed when buying aftermarket fasteners.