2019 Ferrari 488 GTB Tire Size

The original tire size for your 2019 Ferrari 488 GTB is listed below. Tap on the box to view a color-coded explanation of the best Ferrari 488 GTB tire size.

305/30ZR20/XL (103Y)(Rear)

Simplified Size:  245-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2019 Ferrari 488 GTB is 245/35ZR20/XL 95(Y) (Front).  A color-coded explanation of the 2019 Ferrari 488 GTB's tire size is shown below.

305

This number indicates that your tire has a width of 305 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.

103

This tire has a load index of 103, which means it's capable of carrying a load of 1925 pounds (875 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.

30

This number means that your tire has an aspect ratio of 30%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width.  In this case, the sidewall height works out to be 91 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.

245/35ZR20/XL (95Y)(Front)

Simplified Size:  305-30-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2019 Ferrari 488 GTB is 245/35ZR20/XL 95(Y) (Front).  A color-coded explanation of the 2019 Ferrari 488 GTB'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.

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.

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.

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 85 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.