225/55R16 tire size
A 225/55R16 tire is 25.74 inches (653.9 mm) tall, 8.86 in (225 mm) wide and fits a 16-inch wheel. In inch notation it is roughly a 25.7x8.9R16.
| Overall diameter | 25.74 in | 653.9 mm |
|---|---|---|
| Section width | 8.86 in | 225 mm |
| Sidewall height | 4.87 in | 123.8 mm |
| Circumference | 80.88 in | 2,054 mm |
| Revolutions | 783.4 per mile | 486.8 per km |
| Rim diameter | 16 in | 406.4 mm |
Compare 225/55R16 with another size
Alternative sizes on the same 16-inch wheel
Sizes in use within ±3 % of the overall diameter of 225/55R16:
Plus and minus sizes for 225/55R16
| Size | Wheel | Diameter | Difference |
|---|---|---|---|
| 205/70R14 | Minus 2 (14 in) | 25.30 in | −1.73% |
| 195/70R15 | Minus 1 (15 in) | 25.75 in | +0.02% |
| 225/60R15 | Minus 1 (15 in) | 25.63 in | −0.44% |
| 205/65R15 | Minus 1 (15 in) | 25.49 in | −0.98% |
| 215/65R15 | Minus 1 (15 in) | 26.00 in | +1.01% |
| 245/45R17 | Plus 1 (17 in) | 25.68 in | −0.24% |
| 275/40R17 | Plus 1 (17 in) | 25.66 in | −0.32% |
| 225/50R17 | Plus 1 (17 in) | 25.86 in | +0.44% |
| 205/55R17 | Plus 1 (17 in) | 25.88 in | +0.52% |
| 245/40R18 | Plus 2 (18 in) | 25.72 in | −0.11% |
| 215/45R18 | Plus 2 (18 in) | 25.62 in | −0.49% |
| 275/35R18 | Plus 2 (18 in) | 25.58 in | −0.64% |
| 225/45R18 | Plus 2 (18 in) | 25.97 in | +0.89% |
| 245/35R19 | Plus 3 (19 in) | 25.75 in | +0.03% |
| 275/30R19 | Plus 3 (19 in) | 25.50 in | −0.96% |
| 235/35R19 | Plus 3 (19 in) | 25.48 in | −1.04% |
| 255/35R19 | Plus 3 (19 in) | 26.03 in | +1.10% |
Vehicles approved with 225/55R16 tires
Models whose Swiss type approval lists 225/55R16 as a standard or optional size (2,234 approvals in total). Always check your own vehicle's placard or papers.
- Mercedes-Benz E-Class
- Audi A4
- BMW 4 Series
- BMW 3 Series
- Mercedes-Benz C-Class
- Volvo S80
- BMW 5 Series
- Volvo V70
- Audi A6
- Alfa Romeo Giulia
- Audi TT
- Saab 9-3
- Chevrolet Cruze
- Jaguar XJ
- Opel Omega
- Saab 9-3X
- Audi A5
- Mercedes-Benz SL
- Jaguar Sovereign
- Jaguar XJ8
- Cadillac BLS
- Daimler V8
- Jaguar S-Type
- Renault Espace
- Aston Martin DB7
- Alpina B10
- Daimler Super
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 16-inch sizes
- 205/45R16 (−9.6%)
- 205/50R16 (−6.5%)
- 205/55R16 (−3.4%)
- 205/60R16 (−0.2%)
- 205/65R16 (+2.9%)
- 215/45R16 (−8.3%)
- 215/50R16 (−5.0%)
- 215/55R16 (−1.7%)
- 215/60R16 (+1.6%)
- 215/65R16 (+4.9%)
- 225/45R16 (−6.9%)
- 225/50R16 (−3.4%)
- 225/60R16 (+3.4%)
- 225/65R16 (+6.9%)
- 235/50R16 (−1.9%)
- 235/60R16 (+5.3%)
- 235/65R16 (+8.9%)
- 245/45R16 (−4.1%)
- 245/50R16 (−0.4%)
- 245/55R16 (+3.4%)
- 245/60R16 (+7.1%)
Reading the 225/55R16 size
- 225 — section width in millimetres (8.86 in).
- 55 — aspect ratio: the sidewall is 55 % of the width, 123.8 mm.
- R — radial construction (ZR on the sidewall means a high-speed rated radial; the dimensions are the same).
- 16 — fits a 16-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.