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2026 MG RX9 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x112 on every 2026 trim.

Tires for the 2026 MG RX9

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

  1. 245/50R20 Best-rated standard on 1 trim
    Check price on Amazon · 245/50R20
  2. 255/45R21 Best-rated optional on 1 trim
    Check price on Amazon · 255/45R21

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Trims sold in 2026
1
Generation
RX9

1 trim sold in 2026

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

What these columns mean
OE fitment
The package fitted at the factory for that trim.
Alternative
A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
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 2026
1
Generation
RX9
Other years
All years (2024–2026)

Considering a different size?

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

Open the size calculator

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