235/50R20 tire size
A 235/50R20 tire is 29.25 inches (743.0 mm) tall, 9.25 in (235 mm) wide and fits a 20-inch wheel. In inch notation it is roughly a 29.3x9.3R20 — a "29-inch" tire.
| Overall diameter | 29.25 in | 743.0 mm |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Sidewall height | 4.63 in | 117.5 mm |
| Circumference | 91.90 in | 2,334 mm |
| Revolutions | 689.5 per mile | 428.4 per km |
| Rim diameter | 20 in | 508.0 mm |
Compare 235/50R20 with another size
Alternative sizes on the same 20-inch wheel
Sizes in use within ±3 % of the overall diameter of 235/50R20:
Plus and minus sizes for 235/50R20
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 285/50R18 | Minus 2 (18 in) | 29.22 in | −0.11% |
| 235/60R18 | Minus 2 (18 in) | 29.10 in | −0.51% |
| 255/55R18 | Minus 2 (18 in) | 29.04 in | −0.71% |
| 245/60R18 | Minus 2 (18 in) | 29.57 in | +1.10% |
| 235/55R19 | Minus 1 (19 in) | 29.18 in | −0.26% |
| 285/45R19 | Minus 1 (19 in) | 29.10 in | −0.52% |
| 265/50R19 | Minus 1 (19 in) | 29.43 in | +0.62% |
| 255/50R19 | Minus 1 (19 in) | 29.04 in | −0.73% |
| 235/45R21 | Plus 1 (21 in) | 29.33 in | +0.26% |
| 265/40R21 | Plus 1 (21 in) | 29.35 in | +0.32% |
| 255/40R21 | Plus 1 (21 in) | 29.03 in | −0.75% |
| 285/35R21 | Plus 1 (21 in) | 28.85 in | −1.36% |
| 265/35R22 | Plus 2 (22 in) | 29.30 in | +0.17% |
| 255/35R22 | Plus 2 (22 in) | 29.03 in | −0.77% |
| 275/35R22 | Plus 2 (22 in) | 29.58 in | +1.12% |
| 285/30R22 | Plus 2 (22 in) | 28.73 in | −1.78% |
Vehicles approved with 235/50R20 tires
Models whose Swiss type approval lists 235/50R20 as a standard or optional size (630 approvals in total). Always check your own vehicle's placard or papers.
- Volkswagen ID.4
- Skoda Enyaq
- Land Rover Range Rover Evoque
- Land Rover Discovery Sport
- Audi Q4
- Jaguar E-Pace
- Volkswagen ID.5
- Peugeot E-5008
- Mazda CX-60
- Toyota bZ4X
- Opel Grandland
- Peugeot E-3008
- DS e-DS
- Mercedes-Benz EQC
- Peugeot 5008
- MG IM6
- Jeep Compass
- Lexus NX350H
- Volkswagen ID
- Lexus RZ450E
- Peugeot 3008
- Subaru Uncharted
Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.
Nearby 20-inch sizes
Reading the 235/50R20 size
- 235 — section width in millimetres (9.25 in).
- 50 — aspect ratio: the sidewall is 50 % of the width, 117.5 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 20 — fits a 20-inch diameter wheel.
The load index and speed rating (for example 91V) follow the size on the sidewall. They must meet at least the values on your vehicle's tire placard.