2019 Rolls-Royce Dawn tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120 on every 2019 trim.

Tires for the 2019 Rolls-Royce Dawn

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

255/45R20 front + 285/40R20 rear Best-rated standard on 1 trim

Check price on Amazon · 255/45R20 front Check price on Amazon · 285/40R20 rear
255/40R21 front + 285/35R21 rear Best-rated optional on 1 trim

Check price on Amazon · 255/40R21 front Check price on Amazon · 285/35R21 rear

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Trims sold in 2019: 1
Generation: Dawn
Other years: 2015
2016
2017
2018
2019
2020
2021
2022
All years (2015–2022)

1 trim sold in 2019

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

Rolls-Royce Dawn Dawn

2015–2023 1 trim

Dawn 6.6 563 hp · 6.6L N74B66 V12 255/45R20 101Y / 285/40R20 104Y 2 fitments

Generation: Dawn · 2015–2023
Power: 563 hp
Engine: 6.6L N74B66 V12, Petrol
Center bore: 72.6 mm
Bolt pattern: 5x120
Thread: M14 x 1.25

Check price on Amazon · 255/45R20 Check price on Amazon · 285/40R20 Wheels 20x8.5 ET25 · 5x120 · 72.6 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
Front255/45R20 101Y	Rim 20x8.5 ET25 ~~5x120~~	35 psi
Rear285/40R20 104Y	Rim 20x9.5 ET33 ~~5x120~~	38 psi
Front255/40R21 102Y	Rim 21x8.5 ET25 ~~5x120~~	35 psi
Rear285/35R21 105Y	Rim 21x9.5 ET33 ~~5x120~~	38 psi

How to read 101Y: 101 is the load index (up to 1,819 lb / 825 kg per tire) and Y the speed rating (up to 186 mph / 300 km/h). ET25 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

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.
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.