Tire Size for 2005 Porsche 911 Gt3

2005 Porsche 911 Gt3 Tire Sizes

Select a box to get your vehicle's tire size.

2005 Porsche 911 GT3 18 Inch Winter Tire Option

Front Tire Size (Show Details)

225/40R18/ 92V

225	This number indicates that your tire has a width of 225 millimeters.
40	This number indicates that your tire has an aspect ratio of 40%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% 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. R = Radial B = Bias Belt D = Diagonal
18	The tire size was designed to fit rims that are 18 inches in diameter.
92	This tire has a load index of 92, which means it's capable of carrying a load of 1389 pounds (630 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
V	This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

Rear Tire Size (Show Details)

265/35R18/ 97V

265	This number indicates that your tire has a width of 265 millimeters.
35	This number indicates that your tire has an aspect ratio of 35%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% 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. R = Radial B = Bias Belt D = Diagonal
18	The tire size was designed to fit rims that are 18 inches in diameter.
97	This tire has a load index of 97, which means it's capable of carrying a load of 1610 pounds (730 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
V	This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.

2005 Porsche 911 GT3 Standard

Front Tire Size (Show Details)

235/40ZR18 (91Y)

235	This number indicates that your tire has a width of 235 millimeters.
40	This number indicates that your tire has an aspect ratio of 40%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% 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. R = Radial B = Bias Belt D = Diagonal
18	The tire size was designed to fit rims that are 18 inches in diameter.
91	This tire has a load index of 91, which means it's capable of carrying a load of 1356 pounds (615 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
Y	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.
Z	This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Rear Tire Size (Show Details)

295/30ZR18/ (98Y)

295	This number indicates that your tire has a width of 295 millimeters.
30	This number indicates that your tire has an aspect ratio of 30%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% 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. R = Radial B = Bias Belt D = Diagonal
18	The tire size was designed to fit rims that are 18 inches in diameter.
98	This tire has a load index of 98, which means it's capable of carrying a load of 1654 pounds (750 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
Y	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.
Z	This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.