2003 Ford F-150 Lightning Tire Size

The original tire size for your 2003 Ford F-150 Lightning is listed below. Tap on the box to view a color-coded explanation of the best Ford F-150 tire size.

P295/45ZR18 108W

Simplified Size:  295-45-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2003 Ford F-150 Lightning is P295/45ZR18 108W.  A color-coded explanation of the 2003 Ford F-150 Lightning's tire size is shown below.


This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle

This number indicates that your tire has a width of 295 millimeters.


This number means that your tire has an aspect ratio of 45%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width.  In this case, the sidewall height works out to be 132 millimeters.


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.


This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

BBias Belt

The tire size was designed to fit rims or wheels that are 18 inches in diameter.


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.


This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

2003 Ford F-150 Lightning - Similar Models

The 2003 Ford F-150 Lightning has similar models that may have different tire sizes.

2003 Ford F-150 Harley-Davidson Edition2003 Ford F-150 King Ranch2003 Ford F-150 Lariat2003 Ford F-150 XL2003 Ford F-150 XLT