Ever looked at your tire and seen something like 225/65R17 and wondered what it means? You’re not alone. That one line tells you almost everything you need to know when replacing tires.
Example: 225/65R17
- 225 = tire width in millimeters
- 65 = aspect ratio (sidewall height as a percent of width)
- R = radial construction
- 17 = wheel diameter in inches
Where to Find It
Look on the sidewall of your current tire or on the driver-side door jamb sticker. The sticker is usually the best source for your vehicle’s recommended size and pressure.
Why It Matters
Choosing the wrong size can affect handling, fuel economy, ride comfort, and even safety systems like ABS and traction control.
Pro Tip
If you’re between options, ask about your driving habits first—highway commuting, local driving, towing, and winter travel can all influence the best tire choice.
Need help confirming your fitment? Talk with your nearest location.
