2025 Morgan Supersport tire and wheel sizes, bolt pattern and tire pressure

Tires for the 2025 Morgan Supersport

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

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

2025–2027 USA 1 trim

Supersport 3.0T 335 hp · 3.0 L B58B30 I6 Petrol 3.0 L B58B30 I6 235/45R18 / 255/45R18 2 fitments

Check price on Amazon · 235/45R18 Check price on Amazon · 255/45R18 Wheels 18x8.5 ET27 on Amazon

Fit	Tire size	Rim size and bolt pattern	Pressure, psi
OE	Front235/45R18	Rim 18x8.5 ET27	28 psi
	Rear255/45R18	Rim 18x8.5 ET27	28 psi
OE	Front235/40R19	Rim 19x8.5 ET27	28 psi
	Rear255/40R19	Rim 19x8.5 ET27	28 psi

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.
Staggered: A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size: Lug bolt or nut thread — needed when buying aftermarket fasteners.