tirewheelguide

2019 Buick Regal tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2019 trim.

Tires for the 2019 Buick Regal

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

  1. 245/45R18 Best-rated standard on 1 trim · optional on 2 · China, USA
    Check price on Amazon · 245/45R18
  2. 225/55R17 Best-rated standard on 1 trim · optional on 1 · China, USA
    Check price on Amazon · 225/55R17
  3. 205/65R16 Best-rated standard on 1 trim · China
    Check price on Amazon · 205/65R16

Also listed: 235/45R18 245/40R19 245/35R20

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Trims sold in 2019
3
Generation
VI sold in 2 market versions

3 trims sold in 2019

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

Buick Regal VI

2017–2020 3 trims

China

2 trims
Regal 1.5T 168 hp · 1.5L LFV I4 205/65R16 99H 4 fitments
Generation
VI · 2017–2020
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 · 205/65R16 Wheels 16x7 ET40 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/65R16 99HRim 16x7 ET40 5x11533 psi
225/55R17 97VRim 17x7.5 ET45 5x11533 psi
235/45R18 98VRim 18x7.5 ET41 5x11533 psi
245/45R18 96WRim 18x8.5 ET49 5x11533 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). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Regal 2.0T 257 hp · 2.0L LTG I4 245/45R18 96W 4 fitments
Generation
VI · 2017–2020
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 · 245/45R18 Wheels 18x8.5 ET49 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
245/45R18 96WRim 18x8.5 ET49 5x11533 psi
235/45R18 98VRim 18x7.5 ET41 5x11533 psi
245/40R19 98WRim 19x8.5 ET49 5x11533 psi
245/35R20 95WRim 20x8.5 ET45 5x11536 psi

How to read 96W: 96 is the load index (up to 1,565 lb / 710 kg per tire) and W the speed rating (up to 168 mph / 270 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

USA

1 trim
Regal 2.0T 250 hp · 2.0L LTG I4 225/55R17 97V 5 fitments
Generation
VI · 2017–2020
Market
USA
Power
250 hp
Engine
2.0L LTG I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R17 Wheels 17x7.5 ET45 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R17 97VRim 17x7.5 ET45 5x11532 psi
245/45R18 96WRim 18x8.5 ET49 5x11533 psi
235/45R18 98VRim 18x7.5 ET41 5x11533 psi
245/40R19 98WRim 19x8.5 ET49 5x11533 psi
245/35R20 95WRim 20x8.5 ET45 5x11536 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). ET45 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 2019
3
Generation
VI sold in 2 market versions
Other years
All years (1987–2026)

Considering a different size?

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

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