2006 Lexus Sc430 Tire Sizes

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

2006 Lexus SC430 Standard

Original Tire Size (Show Details)
245/40R18 93Y
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
18
The tire size was designed to fit rims that are 18 inches in diameter.
93
This tire has a load index of 93, which means it's capable of carrying a load of 1433 pounds (650 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.

Alternate Tire Size (Show Details)
P245/40R18 93V
P
This letter indicates the intended use of the tire.
  • P = Passenger Car
  • LT = Light Truck
  • C = Commercial Vehicle
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
18
The tire size was designed to fit rims that are 18 inches in diameter.
93
This tire has a load index of 93, which means it's capable of carrying a load of 1433 pounds (650 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
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.