2018 Proton Iriz tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x114.3 on every 2018 trim.

Tires for the 2018 Proton Iriz

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

  1. 185/55R15 Best-rated standard on 1 trim · optional on 1
  2. 175/65R14 Best-rated standard on 1 trim
  3. 195/55R15 Best-rated optional on 2 trims

Also listed: 195/45R16

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Trims sold in 2018
2
Generation
I

2 trims sold in 2018

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

Proton Iriz I

2014–2019 2 trims
Iriz 1.3i 94 hp · 1.3L S4PE I4 175/65R14 82T 4 fitments
Generation
I · 2014–2019
Power
94 hp
Engine
1.3L S4PE I4, Petrol
Center bore
67.1 mm
Bolt pattern
4x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
175/65R14 82TRim 14x5.5 ET46 4x114.329 psi
185/55R15 82HRim 15x6 ET46 4x114.330 psi
185/55R15 82HRim 15x6.5 ET46 4x114.330 psi
195/55R15 85HRim 15x6.5 ET46 4x114.330 psi

How to read 82T: 82 is the load index (up to 1,047 lb / 475 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET46 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Iriz 1.6i 107 hp · 1.6L S4PH I4 185/55R15 82H 4 fitments
Generation
I · 2014–2019
Power
107 hp
Engine
1.6L S4PH I4, Petrol
Center bore
67.1 mm
Bolt pattern
4x114.3
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
185/55R15 82HRim 15x6.5 ET46 4x114.330 psi
185/55R15 82HRim 15x6 ET46 4x114.330 psi
195/55R15 85HRim 15x6.5 ET46 4x114.330 psi
195/45R16 84VRim 16x6.5 ET46 4x114.332 psi

How to read 82H: 82 is the load index (up to 1,047 lb / 475 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET46 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 2018
2
Generation
I
Other years
All years (2014–2026)

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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