1999 Dodge Dakota Tire Size
There are multiple tire sizes for your 1999 Dodge Dakota that depend upon the trim level. Look for your trim level below to get a colorcoded explanation of your tire size. Then pick the best tire size for your 1999 Dodge Dakota.
Trim Options:
4x4SLT 4x4Sport 4x4
31x10.50R15/C NaN
Simplified Size: 31x10.5015
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Dodge Dakota is 31x10.50R15/C . A colorcoded explanation of the 1999 Dodge Dakota's tire size is shown below.
10.50  This number indicates that your tire has a width of 10.50 inches.  
31  This mark reveals that your tire has a diameter of 31 inches.  
15  The tire size was designed to fit rims or wheels that are 15 inches in diameter.  
NaN  This tire has a load index of NaN, which means it's capable of carrying a load of NaN pounds (undefined kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.  
C  The mark of C denotes your tire's load range, or ply rating. A load range of C means that the tire has a ply rating of 6. Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures. Tires with higher inflation pressures can carry heavier loads.  
R  This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.

Trim Options:
4x24x4SLT 4x2SLT 4x4Sport 4x2Sport 4x4
P215/75R15 100
Simplified Size: 2157515
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Dodge Dakota is P215/75R15 100S. A colorcoded explanation of the 1999 Dodge Dakota's tire size is shown below.
P  This letter denotes the intended use of the tire.
 
215  This number indicates that your tire has a width of 215 millimeters.  
15  The tire size was designed to fit rims or wheels that are 15 inches in diameter.  
100  This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.  
75  This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 161 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. 
Trim Options:
4x24x4SLT 4x2SLT 4x4Sport 4x2Sport 4x4
P235/75R15/XL 108
Simplified Size: 2357515
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Dodge Dakota is P235/75R15/XL 108S. A colorcoded explanation of the 1999 Dodge Dakota's tire size is shown below.
P  This letter denotes the intended use of the tire.
 
235  This number indicates that your tire has a width of 235 millimeters.  
15  The tire size was designed to fit rims or wheels that are 15 inches in diameter.  
XL  The mark of XL means extra load. A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load.  
108  This tire has a load index of 108, which means it's capable of carrying a load of 2200 pounds (1000 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.  
75  This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 176 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. 