2020 Cadillac CT6 Tire Size

Your Cadillac was manufactured with different tire sizes.  To determine the best tire size for your specific 2020 Cadillac CT6, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Cadillac CT6'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

2020 Cadillac CT6

 

The original tire size for your 2020 Cadillac CT6 is listed below. Tap on the box to view a color-coded explanation of your Cadillac CT6's' tire size.

Trim Options:

Luxury

235/50R18 97V

Simplified Size:  235-50-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2020 Cadillac CT6 is 235/50R18 97V.  A color-coded explanation of the 2020 Cadillac CT6's tire size is shown below.

235

This number indicates that your tire has a width of 235 millimeters.

18

The tire size was designed to fit rims or wheels 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 1606 pounds (730 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

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 117 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.

19-Inch Rims

2020 Cadillac CT6

 

The original tire size for your 2020 Cadillac CT6 is listed below. Tap on the box to view a color-coded explanation of your Cadillac CT6's' tire size.

Trim Options:

LuxuryPremium Luxury

245/45R19 98V

Simplified Size:  245-45-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2020 Cadillac CT6 is 245/45R19 98V.  A color-coded explanation of the 2020 Cadillac CT6's tire size is shown below.

245

This number indicates that your tire has a width of 245 millimeters.

19

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

98

This tire has a load index of 98, which means it's capable of carrying a load of 1650 pounds (750 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 110 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.

20-Inch Rims

2020 Cadillac CT6

 

There are multiple tire sizes for your 2020 Cadillac CT6 that depend upon the trim level.  Look for your trim level below to get a color-coded explanation of your tire size.  Then pick the best tire size for your 2020 Cadillac CT6.

Trim Options:

LuxuryPlatinum 4.2TTPremium Luxury

245/40R20 95W

Simplified Size:  245-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2020 Cadillac CT6 is 245/40R20 95W.  A color-coded explanation of the 2020 Cadillac CT6's tire size is shown below.

245

This number indicates that your tire has a width of 245 millimeters.

20

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

95

This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 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 98 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
W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

LuxuryPremium LuxuryV

245/40ZR20 95Y

Simplified Size:  245-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2020 Cadillac CT6 is 245/40ZR20 95Y.  A color-coded explanation of the 2020 Cadillac CT6's tire size is shown below.

245

This number indicates that your tire has a width of 245 millimeters.

20

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

95

This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 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.

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 98 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.