The markings on the image indicate that this tyre is a size – 205/55R16 91W
This list below shows what each of the letters and numbers mean:
| Sidewall Markings | What It Means |
| 205 | This is the width of the tyre, measured in millimeters |
| 55 | This is the profile of the tyre (height of the side wall), measured as a precentage of the width |
| R | The tyre is made of Radial construction |
| 16 | Rim diameter, measured in inches |
| 91 | Load index (LI) This is the maximum load allowed at the maximum speed by the tyre manufacturer |
| W | Speed Index (SI) This is the maximum speed allowed for this tyre |