2005 Ferrari 612 Scaglietti Tire Sizes

Select a box to get your vehicle's tire size.

2005 Ferrari 612 Scaglietti Run-Flat Option

Front Tire Size (Show Details)
245/45ZR18 (94Y)
245
This number indicates that your tire has a width of 245 millimeters.
45
This number indicates that your tire has an aspect ratio of 45%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
18
The tire size was designed to fit rims that are 18 inches in diameter.
94
This tire has a load index of 94, which means it's capable of carrying a load of 1477 pounds (670 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Rear Tire Size (Show Details)
285/40ZR19 (103Y)
285
This number indicates that your tire has a width of 285 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims that are 19 inches in diameter.
103
This tire has a load index of 103, which means it's capable of carrying a load of 1929 pounds (875 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Alternate Front Tire Size (Show Details)
245/40ZR19/ (98Y)
245
This number indicates that your tire has a width of 245 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims 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 1654 pounds (750 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Alternate Rear Tire Size (Show Details)
285/40ZR19 (103Y)
285
This number indicates that your tire has a width of 285 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims that are 19 inches in diameter.
103
This tire has a load index of 103, which means it's capable of carrying a load of 1929 pounds (875 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

2005 Ferrari 612 Scaglietti Standard

Front Tire Size (Show Details)
245/45ZR18 (99Y)
245
This number indicates that your tire has a width of 245 millimeters.
45
This number indicates that your tire has an aspect ratio of 45%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
18
The tire size was designed to fit rims that are 18 inches in diameter.
99
This tire has a load index of 99, which means it's capable of carrying a load of 1709 pounds (775 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Rear Tire Size (Show Details)
285/40ZR19 (103Y)
285
This number indicates that your tire has a width of 285 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims that are 19 inches in diameter.
103
This tire has a load index of 103, which means it's capable of carrying a load of 1929 pounds (875 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Alternate Front Tire Size (Show Details)
245/40ZR19/ (98Y)
245
This number indicates that your tire has a width of 245 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims 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 1654 pounds (750 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.

Alternate Rear Tire Size (Show Details)
285/40ZR19 (103Y)
285
This number indicates that your tire has a width of 285 millimeters.
40
This number indicates that your tire has an aspect ratio of 40%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.
R
This letter indicates how your tire was constructed.  Radial is the standard construction method for about 98% of all tires sold today.
  • R = Radial
  • B = Bias Belt
  • D = Diagonal
19
The tire size was designed to fit rims that are 19 inches in diameter.
103
This tire has a load index of 103, which means it's capable of carrying a load of 1929 pounds (875 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.
Z
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). The tire's speed class is less specific than the speed rating.