2006 Ford F-150 STX Tire Size

There are multiple tire sizes for your 2006 Ford F-150 STX 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 2006 Ford F-150 STX.

Trim Options:

4x2

P255/65R17 108S

Simplified Size:  255-65-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2006 Ford F-150 STX is P255/65R17 108S.  A color-coded explanation of the 2006 Ford F-150 STX's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
255

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

65

This number means that your tire has an aspect ratio of 65%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width.  In this case, the sidewall height works out to be 165 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
17

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

108

This tire has a load index of 108, which means it's capable of carrying a load of 2200 pounds (1000 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 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

4x4

P255/70R17 110S

Simplified Size:  255-70-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2006 Ford F-150 STX is P255/70R17 110S.  A color-coded explanation of the 2006 Ford F-150 STX's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
255

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

70

This number means that your tire has an aspect ratio of 70%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width.  In this case, the sidewall height works out to be 178 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
17

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

110

This tire has a load index of 110, which means it's capable of carrying a load of 2332 pounds (1060 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 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

2006 Ford F-150 STX - Similar Models

The 2006 Ford F-150 STX has similar models that may have different tire sizes.

2006 Ford F-150 FX42006 Ford F-150 Harley-Davidson Edition2006 Ford F-150 King Ranch2006 Ford F-150 Lariat2006 Ford F-150 XL2006 Ford F-150 XLT