275/35R20 tire size
A 275/35R20 tire is 27.58 inches (700.5 mm) tall, 10.83 in (275 mm) wide and fits a 20-inch wheel. In inch notation it is roughly a 27.6x10.8R20 — a "28-inch" tire.
| Overall diameter | 27.58 in | 700.5 mm |
|---|---|---|
| Section width | 10.83 in | 275 mm |
| Sidewall height | 3.79 in | 96.3 mm |
| Circumference | 86.64 in | 2,201 mm |
| Revolutions | 731.3 per mile | 454.4 per km |
| Rim diameter | 20 in | 508.0 mm |
Compare 275/35R20 with another size
Alternative sizes on the same 20-inch wheel
Sizes in use within ±3 % of the overall diameter of 275/35R20:
Plus and minus sizes for 275/35R20
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 245/50R18 | Minus 2 (18 in) | 27.65 in | +0.24% |
| 275/45R18 | Minus 2 (18 in) | 27.74 in | +0.60% |
| 265/45R18 | Minus 2 (18 in) | 27.39 in | −0.69% |
| 255/50R18 | Minus 2 (18 in) | 28.04 in | +1.67% |
| 275/40R19 | Minus 1 (19 in) | 27.66 in | +0.30% |
| 245/45R19 | Minus 1 (19 in) | 27.68 in | +0.37% |
| 305/35R19 | Minus 1 (19 in) | 27.41 in | −0.63% |
| 265/40R19 | Minus 1 (19 in) | 27.35 in | −0.84% |
| 275/30R21 | Plus 1 (21 in) | 27.50 in | −0.30% |
| 285/30R21 | Plus 1 (21 in) | 27.73 in | +0.56% |
| 245/35R21 | Plus 1 (21 in) | 27.75 in | +0.63% |
| 265/30R21 | Plus 1 (21 in) | 27.26 in | −1.16% |
Vehicles approved with 275/35R20 tires
Models whose Swiss type approval lists 275/35R20 as a standard or optional size (1,603 approvals in total). Always check your own vehicle's placard or papers.
- BMW 7 Series
- BMW 6 Series
- BMW M8
- BMW 5 Series
- Mercedes-Benz S-Class
- BMW M5
- Bentley Conti
- Audi RS6
- Ferrari 812
- Jaguar XJ
- Mercedes-Benz CL
- BMW X3
- Bentley Continental
- Mercedes-Benz E-Class
- Bentley Flying
- BMW i5
- Bentley Cont
- MG IM5
- Audi RS7
- BMW ActiveHybrid
- Chevrolet Camaro
- Ferrari F12
- Genesis G80
- MG Cyberster
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
- 255/30R20 (−5.6%)
- 255/35R20 (−2.0%)
- 255/40R20 (+1.6%)
- 255/45R20 (+5.3%)
- 265/30R20 (−4.8%)
- 265/35R20 (−1.0%)
- 265/40R20 (+2.8%)
- 265/45R20 (+6.6%)
- 275/30R20 (−3.9%)
- 275/40R20 (+3.9%)
- 275/45R20 (+7.9%)
- 285/30R20 (−3.1%)
- 285/35R20 (+1.0%)
- 285/40R20 (+5.1%)
- 285/45R20 (+9.1%)
- 295/30R20 (−2.2%)
- 295/35R20 (+2.0%)
- 295/40R20 (+6.2%)
- 295/45R20 (+10.4%)
Reading the 275/35R20 size
- 275 — section width in millimetres (10.83 in).
- 35 — aspect ratio: the sidewall is 35 % of the width, 96.3 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.