2021 Cadillac CT5 Tire Size
Your Cadillac was manufactured with different tire sizes. To determine the best tire size for your specific 2021 Cadillac CT5, we first need to determine your rim size. Please review the information below.
How to Determine Rim Size
Check your existing tires. Your Cadillac CT5'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
2021 Cadillac CT5
The original tire size for your 2021 Cadillac CT5 is listed below. Tap on the box to view a color-coded explanation of your Cadillac CT5's' tire size.
Trim Options:
LuxuryPremium Luxury (AWD)Premium Luxury (RWD)
245/45R18 96
Simplified Size: 245-45-18
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Cadillac CT5 is 245/45R18 96V. A color-coded explanation of the 2021 Cadillac CT5's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||
96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 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.
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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
2021 Cadillac CT5
There are multiple tire sizes for your 2021 Cadillac CT5 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 2021 Cadillac CT5.
Trim Options:
Premium Luxury (AWD)Premium Luxury (RWD)Sport (AWD)Sport (RWD)
245/40R19 94
Simplified Size: 245-40-19
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Cadillac CT5 is 245/40R19 94V. A color-coded explanation of the 2021 Cadillac CT5'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. | ||||||
94 | This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 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.
| ||||||
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. |
Trim Options:
V (AWD)V (RWD)
245/40ZR19 94
Simplified Size: 245-40-19
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Cadillac CT5 is 245/40ZR19 94Y. A color-coded explanation of the 2021 Cadillac CT5'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. | ||||||
94 | This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 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.
| ||||||
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
2021 Cadillac CT5
The original tire size for your 2021 Cadillac CT5 is listed below. Tap on the box to view a color-coded explanation of your Cadillac CT5's' tire size.
Trim Options:
LuxuryPremium Luxury (AWD)Premium Luxury (RWD)Sport (AWD)Sport (RWD)V (AWD)V (RWD)
255/35ZR20/XL 97
Simplified Size: 255-35-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Cadillac CT5 is 255/35ZR20/XL 97W. A color-coded explanation of the 2021 Cadillac CT5's tire size is shown below.
255 | This number indicates that your tire has a width of 255 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 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. | ||||||
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. | ||||||
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 89 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
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. |