tirewheelguide

2015 Buick LaCrosse tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2015 trim.

Tires for the 2015 Buick LaCrosse

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

  1. 235/50R18 Best-rated standard on 2 trims · optional on 2 · China, USA
    Check price on Amazon · 235/50R18
  2. 235/55R17 Best-rated standard on 2 trims · USA, China
    Check price on Amazon · 235/55R17
  3. 245/45R19 Best-rated optional on 4 trims · China, USA
    Check price on Amazon · 245/45R19

Also listed: 245/40R20 245/50R18 245/50R17

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Trims sold in 2015
4
Generation
II sold in 2 market versions

4 trims sold in 2015

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

Buick LaCrosse II

2014–2016 4 trims

China

2 trims
LaCrosse 2.0T 251 hp · 2.0L I4 235/50R18 97V 4 fitments
Generation
Facelift · 2014–2016
Market
China
Power
251 hp
Engine
2.0L I4, Petrol
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/50R18 Wheels 18x8 ET42 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/50R18 97VRim 18x8 ET42 5x12035 psi
245/50R18 100VRim 18x8 ET42 5x12035 psi
245/45R19 98WRim 19x8.5 ET40 5x12035 psi
245/40R20 95WRim 20x8.5 ET40 5x12035 psi

How to read 97V: 97 is the load index (up to 1,609 lb / 730 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.

LaCrosse 2.4i 184 hp · 2.4L I4 235/55R17 99H 4 fitments
Generation
Facelift · 2014–2016
Market
China
Power
184 hp
Engine
2.4L I4, Petrol
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/55R17 Wheels 17x7 ET42 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R17 99HRim 17x7 ET42 5x120–
245/50R17 99HRim 17x7 ET42 5x12035 psi
235/50R18 97VRim 18x8 ET42 5x12035 psi
245/45R19 98WRim 19x8.5 ET40 5x12035 psi

How to read 99H: 99 is the load index (up to 1,709 lb / 775 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.

USA

2 trims
LaCrosse 2.4i 182 hp · 2.4L I4 · Hybrid 235/55R17 99H 4 fitments
Generation
Facelift · 2014–2016
Market
USA
Power
182 hp
Engine
2.4L I4, Hybrid
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/55R17 Wheels 17x7 ET42 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R17 99HRim 17x7 ET42 5x12035 psi
235/50R18 97VRim 18x8 ET42 5x12035 psi
245/45R19 98WRim 19x8.5 ET40 5x12035 psi
245/40R20 95WRim 20x8.5 ET40 5x12035 psi

How to read 99H: 99 is the load index (up to 1,709 lb / 775 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 3.6i 304 hp · 3.6L V6 235/50R18 97V 4 fitments
Generation
Facelift · 2014–2016
Market
USA
Power
304 hp
Engine
3.6L V6, Petrol
Center bore
66.9 mm
Bolt pattern
5x120
Thread
M14 x 1.5
Check price on Amazon · 235/50R18 Wheels 18x8 ET42 · 5x120 · 66.9 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/50R18 97VRim 18x8 ET42 5x12035 psi
245/50R18 100VRim 18x8 ET42 5x12035 psi
245/45R19 98WRim 19x8.5 ET40 5x12035 psi
245/40R20 95WRim 20x8.5 ET40 5x12035 psi

How to read 97V: 97 is the load index (up to 1,609 lb / 730 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.

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.
Trims sold in 2015
4
Generation
II sold in 2 market versions
Other years
All years (2005–2026)

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