2010 Audi A8 Quattro Tire Size

Your Audi was manufactured with different tire sizes.  To determine the best tire size for your specific 2010 Audi A8 Quattro, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Audi A8 Quattro'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.

18-Inch Rims

2010 Audi A8 Quattro

 

Your 2010 Audi A8 Quattro 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 2010 Audi A8 Quattro.

Trim Options:

L

255/45R18 99H

Simplified Size:  255-45-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Audi A8 Quattro is 255/45R18 99H.  A color-coded explanation of the 2010 Audi A8 Quattro's tire size is shown below.

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.

99

This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

45

This number means that your tire has an aspect ratio of 45%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.  In this case, the sidewall height works out to be 114 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
H

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:

L

255/45R18 99Y

Simplified Size:  255-45-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Audi A8 Quattro is 255/45R18 99Y.  A color-coded explanation of the 2010 Audi A8 Quattro's tire size is shown below.

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.

99

This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

45

This number means that your tire has an aspect ratio of 45%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.  In this case, the sidewall height works out to be 114 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
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.

19-Inch Rims

2010 Audi A8 Quattro

 

Your 2010 Audi A8 Quattro 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 2010 Audi A8 Quattro.

255/40R19/RF 100V

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Audi A8 Quattro is 255/40R19/RF 100V.  A color-coded explanation of the 2010 Audi A8 Quattro's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

100

This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

RRadial
BBias Belt
DDiagonal
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.

255/40R19/RF 100Y

Simplified Size:  255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Audi A8 Quattro is 255/40R19/RF 100Y.  A color-coded explanation of the 2010 Audi A8 Quattro's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

100

This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

RRadial
BBias Belt
DDiagonal
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.

20-Inch Rims

2010 Audi A8 Quattro

 

The original tire size for your 2010 Audi A8 Quattro is listed below. Tap on the box to view a color-coded explanation of your Audi A8 Quattro's' tire size.

275/35ZR20/RF 102Y

Simplified Size:  275-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2010 Audi A8 Quattro is 275/35ZR20/RF 102Y.  A color-coded explanation of the 2010 Audi A8 Quattro's tire size is shown below.

275

This number indicates that your tire has a width of 275 millimeters.

20

The tire size was designed to fit rims or wheels that are 20 inches in diameter.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

102

This tire has a load index of 102, which means it's capable of carrying a load of 1870 pounds (850 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.

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 96 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
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.