2008 Dodge Challenger Tire Size
There are multiple tire sizes for your 2008 Dodge Challenger that depend upon the trim level. Look for your trim level below to get a color-coded explanation of your tire size. Then pick the best tire size for your 2008 Dodge Challenger.
Trim Options:
SRT8 (All-Season Tire)
245/45R20 99
Simplified Size: 245-45-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Dodge Challenger is 245/45R20 99Y. A color-coded explanation of the 2008 Dodge Challenger's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 inches in diameter. | ||||||
99 | This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 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.
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This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
SRT8
255/45R20 101(Rear)
Simplified Size: 245-45-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Dodge Challenger is 245/45R20 99Y (Front). A color-coded explanation of the 2008 Dodge Challenger's tire size is shown below.
255 | This number indicates that your tire has a width of 255 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 inches in diameter. | ||||||
101 | This tire has a load index of 101, which means it's capable of carrying a load of 1815 pounds (825 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 114 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 Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
SRT8
245/45R20 99(Front)
Simplified Size: 255-45-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2008 Dodge Challenger is 245/45R20 99Y (Front). A color-coded explanation of the 2008 Dodge Challenger's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 inches in diameter. | ||||||
99 | This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 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 Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |