1999 Pontiac Firebird Tire Size
Your Pontiac was manufactured with different tire sizes. To determine the best tire size for your specific 1999 Pontiac Firebird, we first need to determine your rim size. Please review the information below.
How to Determine Rim Size
Check your existing tires. Your Pontiac Firebird'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.
16-Inch Rims
1999 Pontiac Firebird
There are multiple tire sizes for your 1999 Pontiac Firebird 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 1999 Pontiac Firebird.
Trim Options:
Convertible
P215/60R16 94
Simplified Size: 215-60-16
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Pontiac Firebird is P215/60R16 94H. A color-coded explanation of the 1999 Pontiac Firebird's tire size is shown below.
P | This letter denotes the intended use of the tire.
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215 | This number indicates that your tire has a width of 215 millimeters. | ||||||
16 | The tire size was designed to fit rims or wheels that are 16 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. | ||||||
60 | This number means that your tire has an aspect ratio of 60%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width. In this case, the sidewall height works out to be 129 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. |
Trim Options:
Coupe
P215/60R16 94
Simplified Size: 215-60-16
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Pontiac Firebird is P215/60R16 94T. A color-coded explanation of the 1999 Pontiac Firebird's tire size is shown below.
P | This letter denotes the intended use of the tire.
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215 | This number indicates that your tire has a width of 215 millimeters. | ||||||
16 | The tire size was designed to fit rims or wheels that are 16 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. | ||||||
60 | This number means that your tire has an aspect ratio of 60%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width. In this case, the sidewall height works out to be 129 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 T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
17-Inch Rims
1999 Pontiac Firebird
The original tire size for your 1999 Pontiac Firebird is listed below. Tap on the box to view a color-coded explanation of your Pontiac Firebird's' tire size.
Trim Options:
Trans Am ConvertibleTrans Am Coupe
P275/40ZR17/LL 93
Simplified Size: 275-40-17
Simplified size is useful for shopping and buying tires.
The original tire size for your 1999 Pontiac Firebird is P275/40ZR17/LL 93W. A color-coded explanation of the 1999 Pontiac Firebird'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. | ||||||
17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||
LL | The mark of LL means light load. The tire is for light usage and loads. | ||||||
93 | This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
Z | This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h). A tire's speed class is less specific than the speed rating. | ||||||
40 | This number means that your tire has an aspect ratio of 40%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% 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 W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |