How to Read Your Car Tires
A clear guide to decoding tire markings for better safety, handling, and replacement choices.
How to Read Your Car Tires
1. Tire Size: The Most Important Number
2. Load Index: How Much Weight Your Tire Can Carry
3. Speed Rating: How Fast Your Tire Can Go
4. Tire Type: P, LT, or No Letter
5. UTQG: Uniform Tire Quality Grade
6. Tire Construction and Composition
7. M+S and M/S: Mud and Snow Rating
8. Three-Peak Mountain Snowflake Symbol
9. Tubeless or Tube-Type
10. Maximum Inflation Pressure
11. DOT Code: Date of Manufacture
12. Treadwear Indicators
13. Directional and Asymmetric Tires
14. TL, TT, and Reinforced Markings
Conclusion: Your Tires Are Talking. Are You Listening?
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Your tires are the only part of your car that touches the road. They are responsible for traction, braking, handling, and safety. Yet, most drivers have no idea what the numbers and symbols on their tire sidewalls mean. They drive on tires they do not understand, replace them with whatever the shop recommends, and miss critical information that could save their lives. In this guide, we decode every marking on your tire, explain what it means, and show you how to use this information to make smarter, safer decisions.