2014 Nissan 370Z Owner's Manual - Page 387
2014 Nissan 370Z Manual
Page 387 highlights
6. Two- or three-digit number (94): This number is the tire's load index. It is a measurement of how much weight each tire can support. You may not find this information on all tires because it is not required by law. 7. H: Tire speed rating. You should not drive the vehicle faster than the tire speed rating. SDI1606 SDI1607 1 * Example 1. 2. 3. 4. Tire size (example: P215/60R16 94H) P: The "P" indicates the tire is designed for passenger vehicles. (Not all tires have this information.) Three-digit number (215): This number gives the width in millimeters of the tire from sidewall edge to sidewall edge. Two-digit number (60): This number, known as the aspect ratio, gives the tire's ratio of height to width. R: The "R" stands for radial. 2 * Example 1. 2. 3. 4. 5. Two-digit number (16): This number is the wheel or rim diameter in inches. 8-34 Maintenance and do-it-yourself TIN (Tire Identification Number) for a new tire (example: DOT XX XX XXX XXXX) DOT: Abbreviation for the "Department of Transportation". The symbol can be placed above, below or to the left or right of the Tire Identification Number. Two-digit code: Manufacturer's identification mark Two-digit code: Tire size Three-digit code: Tire type code (Optional)