
2003 Nissan 350Z Tire Size
Your Nissan was manufactured with different tire sizes. To determine the best tire size for your specific 2003 Nissan 350Z, we first need to determine your rim size. Please review the information below.
How to Determine Rim Size
Check your existing tires. Your Nissan 350Z's rim size is the number to the right of the R. In the example pictured here, the tire size fits 16-inch rims.

Rim Size Selection
Now that you know your rim size, make a selection below to filter your results.
17-Inch Rims
2003 Nissan 350Z
The original tire size for your 2003 Nissan 350Z is listed below. Tap on the box to view a color-coded explanation of your Nissan 350Z's' tire size.
235/50R17 96(Rear)
Simplified Size: 225-50-17
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 Nissan 350Z is 225/50R17 94W (Front). A color-coded explanation of the 2003 Nissan 350Z's tire size is shown below.
235 | This number indicates that your tire has a width of 235 millimeters. | ||||||
17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||
96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
50 | This number means that your tire has an aspect ratio of 50%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. In this case, the sidewall height works out to be 117 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
225/50R17 94(Front)
Simplified Size: 235-50-17
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 Nissan 350Z is 225/50R17 94W (Front). A color-coded explanation of the 2003 Nissan 350Z's tire size is shown below.
225 | This number indicates that your tire has a width of 225 millimeters. | ||||||
17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||
94 | This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
50 | This number means that your tire has an aspect ratio of 50%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. In this case, the sidewall height works out to be 112 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
18-Inch Rims
2003 Nissan 350Z
The original tire size for your 2003 Nissan 350Z is listed below. Tap on the box to view a color-coded explanation of your Nissan 350Z's' tire size.
Trim Options:
PerformanceRoadsterTouring (6-Speed Manual)Track
245/45R18 96(Rear)
Simplified Size: 225-45-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 Nissan 350Z is 225/45R18 91W (Front). A color-coded explanation of the 2003 Nissan 350Z's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
45 | This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height works out to be 110 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
PerformanceRoadsterTouring (6-Speed Manual)Track
225/45R18 91(Front)
Simplified Size: 245-45-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2003 Nissan 350Z is 225/45R18 91W (Front). A color-coded explanation of the 2003 Nissan 350Z's tire size is shown below.
225 | This number indicates that your tire has a width of 225 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
91 | This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
45 | This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height works out to be 101 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |