How to Read Tire Dates
Ethan Sullivan
| 03-07-2026
· Automobile team
When shopping for new tires or inspecting your current set, one important detail to check is the manufacturing date.
A tire's production date provides valuable information about its age, helping you make informed decisions about maintenance, performance, and replacement.
Understanding how to read the date code is a simple skill that supports responsible vehicle ownership. Whether you are purchasing new tires or evaluating your current set, knowing how to interpret the manufacturing date can help you maintain your vehicle more effectively.

Understanding Tire Date Codes

Every tire is marked with a Tire Identification Number (TIN), which is stamped on the sidewall. This identification number allows the tire to be traced throughout its service life and includes a four-digit date code that indicates when the tire was manufactured.

Where to Find the Date Code

The manufacturing date is located on the tire's sidewall as part of the Tire Identification Number (TIN). Look for the letters "DOT", followed by a combination of letters and numbers. The last four digits indicate the tire's production date.
For example:
DOT U2LL 9JXL 1425
In this example:
- U2LL identifies the manufacturing plant.
- 9JXL contains manufacturer-specific identification information.
- 1425 represents the tire's manufacturing date.

How to Read the Date Code

The final four digits of the Tire Identification Number indicate the week and year the tire was manufactured.
Using the example 1425:
- The first two digits (14) represent the 14th week of the year.
- The last two digits (25) represent the year 2025.
This means the tire was manufactured during the 14th week of 2025.
Tires produced in 2000 or later use this four-digit format. Tires manufactured before 2000 may display a three-digit date code, although such tires are generally well beyond their intended service life.

Why the Manufacturing Date Is Important

Knowing when a tire was manufactured helps you better understand its age and supports informed maintenance decisions.
Monitor Tire Age
Even when driven infrequently, tires naturally age over time. Checking the manufacturing date helps you evaluate tire age alongside regular inspections and tread condition.
Review Warranty Coverage
Some tire warranties include time-based coverage. The manufacturing date can help determine whether a tire falls within the applicable warranty period.
Plan Maintenance
Knowing a tire's age makes it easier to schedule inspections and determine when replacement should be considered in accordance with the recommendations provided by your vehicle manufacturer and tire manufacturer.

How to Check the Age of Your Tires

Checking a tire's age is quick and straightforward.
1. Locate the Tire Identification Number (TIN) on the tire's sidewall.
2. Find the last four digits of the number.
3. Read the first two digits as the production week.
4. Read the last two digits as the production year.
5. Compare the tire's age with the maintenance recommendations provided by your vehicle manufacturer and tire manufacturer.

Tire Maintenance Tips

Proper maintenance helps maximize tire performance and promote even wear.
Check Tire Pressure
Check tire pressure regularly, including before long journeys. Maintaining the recommended pressure helps promote even wear and support efficient vehicle operation.
Rotate Tires
Rotate your tires according to the maintenance schedule recommended by your vehicle manufacturer to encourage even tread wear.
Inspect Tires Regularly
Inspect your tires regularly for cuts, cracks, bulges, punctures, or uneven wear. If you notice any unusual condition, have them inspected by a qualified technician.
Maintain Wheel Balance and Alignment
Proper wheel balance and alignment help promote even tire wear, improve handling, and contribute to a smoother driving experience.

When to Consider Tire Replacement

In addition to tread depth, tire age should also be considered when evaluating a tire's overall condition. Follow the inspection and replacement recommendations provided by your vehicle manufacturer and tire manufacturer, as maintenance guidance may vary depending on the vehicle and tire.
Understanding how to read a tire's manufacturing date is an essential part of responsible vehicle maintenance. By checking the date code, inspecting your tires regularly, and following the recommended maintenance schedule, you can make informed decisions about tire care throughout their service life. Whether purchasing new tires or evaluating your current set, knowing the manufacturing date helps support reliable performance and confident driving.