2005 Lincoln Navigator Tire Size
Your 2005 Lincoln Navigator was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 2005 Lincoln Navigator.
P255/70R18 112
Simplified Size: 255-70-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2005 Lincoln Navigator is P255/70R18 112S. A color-coded explanation of the 2005 Lincoln Navigator's tire size is shown below.
P | This letter denotes the intended use of the tire.
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255 | This number indicates that your tire has a width of 255 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
112 | This tire has a load index of 112, which means it's capable of carrying a load of 2464 pounds (1120 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
70 | This number means that your tire has an aspect ratio of 70%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width. In this case, the sidewall height works out to be 178 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
P275/65R18 114
Simplified Size: 275-65-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2005 Lincoln Navigator is P275/65R18 114H. A color-coded explanation of the 2005 Lincoln Navigator's tire size is shown below.
P | This letter denotes the intended use of the tire.
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275 | This number indicates that your tire has a width of 275 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
114 | This tire has a load index of 114, which means it's capable of carrying a load of 2596 pounds (1180 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
65 | This number means that your tire has an aspect ratio of 65%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width. In this case, the sidewall height works out to be 178 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 H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |