2001 Porsche 911 Tire Size
Your Porsche was manufactured with different tire sizes. To determine the best tire size for your specific 2001 Porsche 911, we first need to determine your rim size. Please review the information below.
How to Determine Rim Size
Check your existing tires. Your Porsche 911's rim size is the number to the right of the R. In the example pictured here, the tire size fits 16inch rims.
Rim Size Selection
Now that you know your rim size, make a selection below to filter your results.
17Inch Rims
2001 Porsche 911
The original tire size for your 2001 Porsche 911 is listed below. Tap on the box to view a colorcoded explanation of your Porsche 911's' tire size.
Trim Options:
CarreraCarrera 4
255/40ZR17(Rear)
Simplified Size: 2055017
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 205/50ZR17 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
255  This number indicates that your tire has a width of 255 millimeters.  
17  The tire size was designed to fit rims or wheels that are 17 inches in diameter.  
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 102 millimeters.  
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:
CarreraCarrera 4
205/50ZR17(Front)
Simplified Size: 2554017
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 205/50ZR17 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
205  This number indicates that your tire has a width of 205 millimeters.  
17  The tire size was designed to fit rims or wheels that are 17 inches in diameter.  
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.  
50  This number means that your tire has an aspect ratio of 50%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. In this case, the sidewall height works out to be 102 millimeters.  
R  This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.

18Inch Rims
2001 Porsche 911
There are multiple tire sizes for your 2001 Porsche 911 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 2001 Porsche 911.
Trim Options:
Carrera
265/35ZR18(Rear)
Simplified Size: 2254018
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 225/40ZR18 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
265  This number indicates that your tire has a width of 265 millimeters.  
18  The tire size was designed to fit rims or wheels that are 18 inches in diameter.  
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.  
35  This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 92 millimeters.  
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:
Carrera
225/40ZR18(Front)
Simplified Size: 2653518
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 225/40ZR18 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
225  This number indicates that your tire has a width of 225 millimeters.  
18  The tire size was designed to fit rims or wheels that are 18 inches in diameter.  
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 90 millimeters.  
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:
Turbo
295/30ZR18(Rear)
Simplified Size: 2254018
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 225/40ZR18 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
295  This number indicates that your tire has a width of 295 millimeters.  
18  The tire size was designed to fit rims or wheels that are 18 inches in diameter.  
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.  
30  This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width. In this case, the sidewall height works out to be 88 millimeters.  
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:
Turbo
225/40ZR18(Front)
Simplified Size: 2953018
Simplified size is useful for shopping and buying tires.
The original tire size for your 2001 Porsche 911 is 225/40ZR18 (Front). A colorcoded explanation of the 2001 Porsche 911's tire size is shown below.
225  This number indicates that your tire has a width of 225 millimeters.  
18  The tire size was designed to fit rims or wheels that are 18 inches in diameter.  
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 90 millimeters.  
R  This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
