What does 275/40R20 mean?

Tire sizes are easy to understand once you learn how to read them.  On this page you'll find a color-coded explanation of the 275/40R20 tire code.  After you learn its meaning, scroll down to the bottom to get a list of vehicles that may be compatible with this specific tire size.

Tire Code Explanation

Listed below is a color-coded explanation of 275/40R20 (also written as 275-40R20).  It explains parts like the width, diameter, construction, and rim size.

275
40
R
20