tirewheelguide

2021 Buick Encore GX tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 2021 trim.

Tires for the 2021 Buick Encore GX

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

  1. 225/55R18 Best-rated standard on 2 trims · optional on 1 · USA, China
    Check price on Amazon · 225/55R18
  2. 225/60R17 Best-rated standard on 1 trim · optional on 2 · USA, China
    Check price on Amazon · 225/60R17

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Trims sold in 2021
3
Generation
Encore GX sold in 2 market versions

3 trims sold in 2021

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

Buick Encore GX Encore GX

2020–2023 3 trims

USA

2 trims
Encore GX 1.2T 137 hp · 1.2L LIH I3 225/55R18 98H 2 fitments
Generation
Encore GX · 2020–2023
Market
USA
Power
137 hp
Engine
1.2L LIH I3, Petrol
Center bore
56.6 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R18 Wheels 18x7.5 ET38 · 5x115 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R18 98HRim 18x7.5 ET38 5x11535 psi
225/60R17 99HRim 17x7 ET38 5x11535 psi

How to read 98H: 98 is the load index (up to 1,653 lb / 750 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET38 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Encore GX 1.3T 155 hp · 1.3L L3T I3 225/55R18 98H 3 fitments
Generation
Encore GX · 2020–2023
Market
USA
Power
155 hp
Engine
1.3L L3T I3, Petrol
Center bore
56.6 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/55R18 Wheels 18x7.5 ET38 · 5x115 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/55R18 98HRim 18x7.5 ET38 5x11535 psi
225/60R17 99HRim 17x7 ET38 5x11535 psi
225/60R17 99HRim 17x7.5 ET43 5x11535 psi

How to read 98H: 98 is the load index (up to 1,653 lb / 750 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET38 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

China

1 trim
Encore GX 1.3T 162 hp · 1.3L L3Z I3 225/60R17 99H 3 fitments
Generation
Encore GX · 2020–2023
Market
China
Power
162 hp
Engine
1.3L L3Z I3, Petrol
Center bore
56.6 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 225/60R17 Wheels 17x7 ET38 · 5x115 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
225/60R17 99HRim 17x7 ET38 5x11535 psi
225/60R17 99HRim 17x7.5 ET43 5x11535 psi
225/55R18 98HRim 18x7.5 ET43 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). ET38 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 2021
3
Generation
Encore GX sold in 2 market versions
Other years
All years (2020–2026)

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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