2009 Buick LaCrosse tire and wheel sizes, bolt pattern and tire pressure

Bolt patterns 5x120 (China) or 5x115 (USA), depending on the market version.

Tires for the 2009 Buick LaCrosse

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

235/50R18 Best-rated standard on 1 trim · optional on 3 · China, USA

Check price on Amazon · 235/50R18
225/55R17 Best-rated standard on 1 trim · optional on 2 · USA, China

Check price on Amazon · 225/55R17
245/45R18 Best-rated standard on 1 trim · optional on 1 · China, USA

Check price on Amazon · 245/45R18

Also listed: 225/60R16 245/50R17 235/50R17 225/50R18 245/40R19

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Trims sold in 2009: 4
Generations: II I sold in 2 market versions
Other years: 2005
2006
2007
2008
2009
2010
2011
2012
All years (2005–2026)

4 trims sold in 2009

Sold in 2 market versions with different tire sizes and bolt patterns. Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Buick LaCrosse II

2009–2013 China 2 trims

LaCrosse 2.4i 168 hp · 2.4L I4 225/55R17 97H 4 fitments

Generation: II · 2009–2013
Market: China
Power: 168 hp
Engine: 2.4L I4, Petrol
Center bore: 66.9 mm
Bolt pattern: 5x120
Thread: M14 x 1.5

Check price on Amazon · 225/55R17 Wheels 17x7 ET42 · 5x120 · 66.9 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
225/55R17 97H	Rim 17x7 ET42 ~~5x120~~	35 psi
235/50R17 96H	Rim 17x7 ET42 ~~5x120~~	35 psi
245/50R17 100H	Rim 17x7 ET42 ~~5x120~~	35 psi
235/50R18 97V	Rim 18x8 ET42 ~~5x120~~	35 psi

How to read 97H: 97 is the load index (up to 1,609 lb / 730 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET42 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

LaCrosse 3.0i 255 hp · 3.0L V6 245/45R18 100V 4 fitments

Generation: II · 2009–2013
Market: China
Power: 255 hp
Engine: 3.0L V6, Petrol
Center bore: 66.9 mm
Bolt pattern: 5x120
Thread: M14 x 1.5

Check price on Amazon · 245/45R18 Wheels 18x8 ET42 · 5x120 · 66.9 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
245/45R18 100V	Rim 18x8 ET42 ~~5x120~~	35 psi
245/50R17 100V	Rim 17x7 ET42 ~~5x120~~	35 psi
235/50R18 97V	Rim 18x8 ET42 ~~5x120~~	35 psi
245/40R19 98W	Rim 19x8.5 ET40 ~~5x120~~	35 psi

How to read 100V: 100 is the load index (up to 1,764 lb / 800 kg per tire) and V the speed rating (up to 149 mph / 240 km/h). ET42 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Buick LaCrosse I

2008–2009 USA 2 trims

LaCrosse 3.8i 200 hp · 3.8L L26 V6 225/60R16 97S 4 fitments

Generation: Facelift · 2008–2009
Market: USA
Power: 200 hp
Engine: 3.8L L26 V6, Petrol
Center bore: 70.3 mm
Bolt pattern: 5x115
Thread: M12 x 1.5

Check price on Amazon · 225/60R16 Wheels 16x6.5 ET52 · 5x115 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
225/60R16 97S	Rim 16x6.5 ET52 ~~5x115~~	35 psi
225/55R17 97V	Rim 17x6.5 ET52 ~~5x115~~	35 psi
225/50R18 95V	Rim 18x7 ET52 ~~5x115~~	35 psi
235/50R18 97V	Rim 18x7 ET52 ~~5x115~~	35 psi

How to read 97S: 97 is the load index (up to 1,609 lb / 730 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET52 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

LaCrosse 5.3i 300 hp · 5.3L LS4 V8 235/50R18 97W 4 fitments

Generation: Facelift · 2008–2009
Market: USA
Power: 300 hp
Engine: 5.3L LS4 V8, Petrol
Center bore: 70.3 mm
Bolt pattern: 5x115
Thread: M12 x 1.5

Check price on Amazon · 235/50R18 Wheels 18x7 ET52 · 5x115 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/50R18 97W	Rim 18x7 ET52 ~~5x115~~	35 psi
225/55R17 97V	Rim 17x6.5 ET52 ~~5x115~~	35 psi
245/45R18 96W	Rim 18x7.5 ET50 ~~5x115~~	35 psi
245/45R18 96W	Rim 18x8 ET48 ~~5x115~~	35 psi

How to read 97W: 97 is the load index (up to 1,609 lb / 730 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET52 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

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.