2018 Daihatsu Sirion tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 2018 trim.

Tires for the 2018 Daihatsu Sirion

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

175/65R14 Best-rated standard on 1 trim · optional on 1

Check price on Amazon · 175/65R14
185/55R15 Best-rated standard on 1 trim · optional on 1

Check price on Amazon · 185/55R15
175/60R15 Best-rated optional on 2 trims

Check price on Amazon · 175/60R15

Also listed: 195/50R15 195/45R16

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Trims sold in 2018: 2
Generation: M800
Other years: 2014
2015
2016
2017
2018
2019
2020
2021
All years (1998–2026)

2 trims sold in 2018

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

Daihatsu Sirion M800

2018–2023 2 trims

Sirion 1.3 VVT-i 94 hp · 1.3L 1NR-VE I4 175/65R14 82H 5 fitments

Generation: M800 · 2018–2023
Power: 94 hp
Engine: 1.3L 1NR-VE I4, Petrol
Center bore: 54.1 mm
Bolt pattern: 4x100
Thread: M12 x 1.5

Check price on Amazon · 175/65R14 Wheels 14x5 ET40 · 4x100 · 54.1 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
175/65R14 82H	Rim 14x5 ET40 4x100	32 psi
185/55R15 81T	Rim 15x6.5 ET50 4x100	32 psi
175/60R15 81S	Rim 15x5 ET40 4x100	32 psi
195/50R15 81H	Rim 15x6 ET42 4x100	35 psi
195/45R16 81H	Rim 16x6 ET42 4x100	35 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). ET40 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Sirion 1.5 VVT-i 102 hp · 1.5L 2NR-VE I4 185/55R15 81T 5 fitments

Generation: M800 · 2018–2023
Power: 102 hp
Engine: 1.5L 2NR-VE I4, Petrol
Center bore: 54.1 mm
Bolt pattern: 4x100
Thread: M12 x 1.5

Check price on Amazon · 185/55R15 Wheels 15x6.5 ET50 · 4x100 · 54.1 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
185/55R15 81T	Rim 15x6.5 ET50 4x100	32 psi
175/65R14 82H	Rim 14x5 ET40 4x100	32 psi
175/60R15 81S	Rim 15x5 ET40 4x100	32 psi
195/50R15 81H	Rim 15x6 ET42 4x100	35 psi
195/45R16 81H	Rim 16x6 ET42 4x100	35 psi

How to read 81T: 81 is the load index (up to 1,019 lb / 462 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET50 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.