1990 Pontiac Grand Am Tire Sizes
Select a box to get your vehicle's tire size.
1990 Pontiac Grand Am LE
Original Tire Size (Show Details)
P185/75R14
P |
This letter indicates the intended use of the tire.
|
185 |
This number indicates that your tire has a width of 185 millimeters. |
75 |
This number indicates that your tire has an aspect ratio of 75%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
14 |
The tire size was designed to fit rims that are 14 inches in diameter. |
Alternate Tire Size (Show Details)
P195/70R14
P |
This letter indicates the intended use of the tire.
|
195 |
This number indicates that your tire has a width of 195 millimeters. |
70 |
This number indicates that your tire has an aspect ratio of 70%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
14 |
The tire size was designed to fit rims that are 14 inches in diameter. |
1990 Pontiac Grand Am SE
Original Tire Size (Show Details)
P205/55R16
P |
This letter indicates the intended use of the tire.
|
205 |
This number indicates that your tire has a width of 205 millimeters. |
55 |
This number indicates that your tire has an aspect ratio of 55%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
16 |
The tire size was designed to fit rims that are 16 inches in diameter. |