2008 Acura MDX Tire Size

Your Acura was manufactured with different tire sizes.  To determine the best tire size for your specific 2008 Acura MDX, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Acura MDX'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

2008 Acura MDX

 

The original tire size for your 2008 Acura MDX is listed below. Tap on the box to view a color-coded explanation of your Acura MDX's' tire size.

P255/55R18 104H

Simplified Size:  255-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2008 Acura MDX is P255/55R18 104H.  A color-coded explanation of the 2008 Acura MDX's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
255

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

55

This number means that your tire has an aspect ratio of 55%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.  In this case, the sidewall height works out to be 140 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
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

104

This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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.

19-Inch Rims

2008 Acura MDX

 

The original tire size for your 2008 Acura MDX is listed below. Tap on the box to view a color-coded explanation of your Acura MDX's' tire size.

275/45R19/XL 108Y

Simplified Size:  275-45-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2008 Acura MDX is 275/45R19/XL 108Y.  A color-coded explanation of the 2008 Acura MDX's tire size is shown below.

275

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

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 123 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
19

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

XL

The mark of XL means extra load.  A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load.

108

This tire has a load index of 108, which means it's capable of carrying a load of 2200 pounds (1000 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.