# 2016 Cadillac ATS Tire Size

Your Cadillac was manufactured with different tire sizes. To determine the best tire size for your specific 2016 Cadillac ATS, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Cadillac ATS'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.

## 17-Inch Rims

### 2016 Cadillac ATS

Your 2016 Cadillac ATS 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 2016 Cadillac ATS.

Trim Options:

### Luxury SedanPerformance SedanSedan

## P225/45R17 90

### Simplified Size: 225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **P225/45R17 90H**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

P | This letter denotes the intended use of the tire.
| ||||||

225 | This number indicates that your tire has a width of 225 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 101 millimeters. | ||||||

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

17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||

90 | This tire has a load index of 90, which means it's capable of carrying a load of 1320 pounds (600 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### Luxury SedanPerformance SedanSedan

## P225/45R17 90

### Simplified Size: 225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **P225/45R17 90V**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

P | This letter denotes the intended use of the tire.
| ||||||

225 | This number indicates that your tire has a width of 225 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 101 millimeters. | ||||||

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

17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||

90 | This tire has a load index of 90, which means it's capable of carrying a load of 1320 pounds (600 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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. |

## 18-Inch Rims

### 2016 Cadillac ATS

There are multiple tire sizes for your 2016 Cadillac ATS 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 2016 Cadillac ATS.

Trim Options:

### CoupeLuxury CoupePerformance CoupePremium Coupe (AWD)

## 225/40R18 88(Front)

### Simplified Size: 225-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **225/40R18 88V (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

225 | This number indicates that your tire has a width of 225 millimeters. | ||||||

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.
| ||||||

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

88 | This tire has a load index of 88, which means it's capable of carrying a load of 1232 pounds (560 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### CoupeLuxury CoupePerformance CoupePremium Coupe (AWD)

## 255/35R18 90(Rear)

### Simplified Size: 255-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **225/40R18 88V (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

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

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 |
| ||||||

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

90 | This tire has a load index of 90, which means it's capable of carrying a load of 1320 pounds (600 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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:

### Luxury SedanPerformance SedanPremium Sedan (AWD)

## 225/40R18/XL 92

### Simplified Size: 225-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **225/40R18/XL 92V**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

225 | This number indicates that your tire has a width of 225 millimeters. | ||||||

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 |
| ||||||

18 | The tire size was designed to fit rims or wheels that are 18 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. | ||||||

92 | This tire has a load index of 92, which means it's capable of carrying a load of 1386 pounds (630 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### Premium (RWD)

## 225/40RF18 88(Front)

### Simplified Size: 225-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **225/40RF18 88W (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

225 | This number indicates that your tire has a width of 225 millimeters. |

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. |

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. |

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

88 | This tire has a load index of 88, which means it's capable of carrying a load of 1232 pounds (560 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. |

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:

### Premium (RWD)

## 255/35RF18 90(Rear)

### Simplified Size: 255-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **225/40RF18 88W (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

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

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. |

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. |

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

90 | |

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:

### V (blue tint nut)V (silver tint nut)

## 255/35ZR18/XL (94 )(Front)

### Simplified Size: 255-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **255/35ZR18/XL (94Y) (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

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

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. | ||||||

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. | ||||||

R |
| ||||||

18 | The tire size was designed to fit rims or wheels that are 18 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. | ||||||

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. | ||||||

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. |

Trim Options:

### V (blue tint nut)V (silver tint nut)

## 275/35ZR18/XL (99 )(Rear)

### Simplified Size: 275-35-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2016 Cadillac ATS is **255/35ZR18/XL (94Y) (Front)**. A color-coded explanation of the 2016 Cadillac ATS's tire size is shown below.

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

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. | ||||||

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. | ||||||

R |
| ||||||

18 | The tire size was designed to fit rims or wheels that are 18 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. | ||||||

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. | ||||||

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. |