tirewheelguide

2017 Buick LaCrosse tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2017 trim.

Tires for the 2017 Buick LaCrosse

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

  1. 235/50R18 Best-rated standard on 3 trims · optional on 2 · China, USA
    Check price on Amazon · 235/50R18
  2. 235/55R17 Best-rated standard on 2 trims · China
    Check price on Amazon · 235/55R17
  3. 245/45R19 Best-rated optional on 5 trims · China, USA
    Check price on Amazon · 245/45R19

Also listed: 245/40R20

TireWheelGuide may earn a commission from purchases made through these links.

Trims sold in 2017
5
Generation
III sold in 2 market versions

5 trims sold in 2017

Sold in 2 market versions with different tire sizes. Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Buick LaCrosse III

2016–2019 5 trims

China

3 trims
LaCrosse 1.5T 168 hp · 1.5L LFV I4 235/55R17 99H 3 fitments
Generation
III · 2016–2019
Market
China
Power
168 hp
Engine
1.5L LFV I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 235/55R17 Wheels 17x7 ET42 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R17 99HRim 17x7 ET42 5x11535 psi
235/50R18 97VRim 18x8 ET42 5x11535 psi
245/45R19 98WRim 19x8.5 ET40 5x11535 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 1.8i 126 hp · 1.8L LKN I4 · Hybrid 235/55R17 99H 3 fitments
Generation
III · 2016–2019
Market
China
Power
126 hp
Engine
1.8L LKN I4, Hybrid
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 235/55R17 Wheels 17x7 ET42 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/55R17 99HRim 17x7 ET42 5x11535 psi
235/50R18 97VRim 18x8 ET42 5x11535 psi
245/45R19 98VRim 19x8.5 ET40 5x11535 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 2.0T 257 hp · 2.0L LTG I4 235/50R18 97V 3 fitments
Generation
III · 2016–2019
Market
China
Power
257 hp
Engine
2.0L LTG I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 235/50R18 Wheels 18x8 ET42 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/50R18 97VRim 18x8 ET42 5x11535 psi
245/45R19 98WRim 19x8.5 ET40 5x11535 psi
245/40R20 95WRim 20x8.5 ET40 5x11535 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.

USA

2 trims
LaCrosse 2.5i +1 variant 194 hp · 2.5L LHN I4 · Hybrid 235/50R18 97V 3 fitments

Same tires and wheels on: 3.6i

Generation
III · 2016–2019
Market
USA
Power
194 hp
Engine
2.5L LHN I4, Hybrid
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 235/50R18 Wheels 18x8 ET42 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
235/50R18 97VRim 18x8 ET42 5x11535 psi
245/45R19 98WRim 19x8.5 ET40 5x11535 psi
245/40R20 95WRim 20x8.5 ET40 5x11535 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 2017
5
Generation
III sold in 2 market versions
Other years
All years (2005–2026)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

Open the size calculator

Guides worth reading first

All articles
Basics

How to read a tire sidewall

Reading a tire sidewall is easy. Find out what the size, load index, speed rating and date code mean.

Continue reading
Guide

Everything you need to know about tire tread depth

Tire tread depth is an important factor in keeping your vehicle safe — how to measure it and when to replace.

Continue reading
Gear

Best supercapacitor jump starter review

We tested seven supercapacitor jump starters to find the ones worth buying.

Continue reading