A 38x13.50R18 stands 38 inches tall and 13.50 inches wide on a 18 inch rim, the metric equivalent is 343/74R18. A tire size only makes sense next to a wheel width and a car. 38x13.50R18 mounts on a range of widths, and the overall height decides whether the speedometer and the fender stay happy.
2 lines carry 38x13.50R18, from Toyo. The tire has to stay near your car's stock height and mount on your wheel width, so pick the car and the wheel set and the page keeps only the 38x13.50R18 lines that do both.
Common questions
What does 38x13.50R18 mean?
38 is the overall height in inches, 13.50 the section width in inches, R means radial and 18 is the wheel diameter. The same tire in metric is 343/74R18.
Will 38x13.50R18 fit your car?
Pick your year, make and model and the tires page answers it for yours. The wheel width has to carry the section width and the overall height has to stay near where the car started.
What wheel width fits 38x13.50R18?
Each product page lists the rim width range the tire maker approves. Pick an 18 inch wheel set and the tire step checks the width for you.