2021 Rolls Royce Dawn tire sizes
The 2021 Rolls Royce Dawn came from the factory with 2 tire sizes on 20" wheels. The most common size is 255/45 R20. Some setups are staggered, with wider tires at the rear. Pick your trim below.
2021 Dawn Base Model
Factory (OE) sizes
20"wheels
Front255/45 R20Rear285/40 R20
Optional sizes
21"wheels
Front255/40 R21Rear285/35 R21
2021 Dawn Black Badge
Factory (OE) sizes
20"wheels
Front255/45 R20Rear285/40 R20
Optional sizes
21"wheels
Front255/40 R21Rear285/35 R21
How to read 255/45 R20
- 255
- Tread width in millimetres
- 45
- Sidewall height, % of width
- R
- Radial construction
- 20
- Wheel diameter in inches
Overall diameter: about 29.0" · Sidewall: 115 mm