1999 Ford Expedition Tire Sizes

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

1999 Ford Expedition 4x2

Original Tire Size (Show Details)
P255/70R16 109S
P
This letter indicates the intended use of the tire.
  • P = Passenger Car
  • LT = Light Truck
  • C = Commercial Vehicle
255
This number indicates that your tire has a width of 255 millimeters.
70
This number indicates that your tire has an aspect ratio of 70%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16
The tire size was designed to fit rims that are 16 inches in diameter.
109
This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
S
This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

1999 Ford Expedition 4x4

Original Tire Size (Show Details)
P255/70R16 109S
P
This letter indicates the intended use of the tire.
  • P = Passenger Car
  • LT = Light Truck
  • C = Commercial Vehicle
255
This number indicates that your tire has a width of 255 millimeters.
70
This number indicates that your tire has an aspect ratio of 70%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
16
The tire size was designed to fit rims that are 16 inches in diameter.
109
This tire has a load index of 109, which means it's capable of carrying a load of 2271 pounds (1030 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
S
This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Alternate Tire Size (Show Details)
P265/70R17 113S
P
This letter indicates the intended use of the tire.
  • P = Passenger Car
  • LT = Light Truck
  • C = Commercial Vehicle
265
This number indicates that your tire has a width of 265 millimeters.
70
This number indicates that your tire has an aspect ratio of 70%.  This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% 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
17
The tire size was designed to fit rims that are 17 inches in diameter.
113
This tire has a load index of 113, which means it's capable of carrying a load of 2536 pounds (1150 kg) or less. A higher number means the tire can carry more weight.  A lower number means the opposite.
S
This tire has a speed rating of S, which means 112 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.