2018 Acura RDX tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x114.3 on every 2018 trim.

Tires for the 2018 Acura RDX

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

235/60R18 Best-rated standard on 2 trims · China, USA

Check price on Amazon · 235/60R18
235/55R19 Best-rated standard on 1 trim · optional on 2 · China, USA

Check price on Amazon · 235/55R19
255/45R20 Best-rated optional on 3 trims · China, USA

Check price on Amazon · 255/45R20

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Trims sold in 2018: 3
Generations: TC1/TC2 TB3/4 sold in 2 market versions
Other years: 2014
2015
2016
2017
2018
2019
2020
2021
All years (2006–2026)

3 trims sold in 2018

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

Acura RDX TC1/TC2

2018–2023 China 1 trim

RDX 2.0T 261 hp · 2.0L K20C I4 235/55R19 101H 2 fitments

Generation: TC1/TC2 · 2018–2023
Market: China
Power: 261 hp
Engine: 2.0L K20C I4, Petrol
Center bore: 64.1 mm
Bolt pattern: 5x114.3
Thread: M12 x 1.5

Check price on Amazon · 235/55R19 Wheels 19x8 ET50 · 5x114.3 · 64.1 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/55R19 101H	Rim 19x8 ET50 ~~5x114.3~~	33 psi
255/45R20 101V	Rim 20x8 ET50 ~~5x114.3~~	36 psi

How to read 101H: 101 is the load index (up to 1,819 lb / 825 kg per tire) and H the speed rating (up to 130 mph / 210 km/h). ET50 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Acura RDX TB3/4

2013–2018 2 trims

China

1 trim

RDX 3.0i 263 hp · J30Y1 V6 235/60R18 102V 4 fitments

Generation: TB3/4 · 2013–2018
Market: China
Power: 263 hp
Engine: J30Y1 V6, Petrol
Center bore: 64.1 mm
Bolt pattern: 5x114.3
Thread: M12 x 1.5

Check price on Amazon · 235/60R18 Wheels 18x7.5 ET45 · 5x114.3 · 64.1 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/60R18 102V	Rim 18x7.5 ET45 ~~5x114.3~~	33 psi
235/55R19 101V	Rim 19x7.5 ET45 ~~5x114.3~~	33 psi
255/50R19 101V	Rim 19x8 ET50 ~~5x114.3~~	33 psi
255/45R20 101W	Rim 20x8 ET50 ~~5x114.3~~	36 psi

How to read 102V: 102 is the load index (up to 1,874 lb / 850 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.

USA

1 trim

RDX 3.5i 279 hp · J35Z2 V6 235/60R18 102V 4 fitments

Generation: TB3/4 · 2013–2018
Market: USA
Power: 279 hp
Engine: J35Z2 V6, Petrol
Center bore: 64.1 mm
Bolt pattern: 5x114.3
Thread: M12 x 1.5

Check price on Amazon · 235/60R18 Wheels 18x7.5 ET45 · 5x114.3 · 64.1 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
235/60R18 102V	Rim 18x7.5 ET45 ~~5x114.3~~	35 psi
235/55R19 101V	Rim 19x7.5 ET45 ~~5x114.3~~	33 psi
255/50R19 101V	Rim 19x8 ET50 ~~5x114.3~~	33 psi
255/45R20 101W	Rim 20x8 ET50 ~~5x114.3~~	36 psi

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.