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Tires made in 2011: how old, still safe?

A DOT date code ending in 11 was manufactured in 2011. The first two digits are the week. 2611 means week 26 of 2011. A mid-year tire from 2011 is replace advised: Past most manufacturer limits regardless of tread

Week 1 of 2011

Made in week 1 of 2011

Jan 3 to Jan 9, 2011 (approx.)

15 years 9 months · Replace advised

Past most manufacturer limits regardless of tread

Open 0111 in the decoder

Week 26 of 2011

Made in week 26 of 2011

Jun 27 to Jul 3, 2011 (approx.)

15 years 3 months · Replace advised

Past most manufacturer limits regardless of tread

Open 2611 in the decoder

General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

Check a 2011 DOT code

Enter the last 4 digits of the DOT code or the full code.

Read as

Made in week 26 of 2011

Jun 27 to Jul 3, 2011 (approx.)

Replace advised

15 years 3 months

Past most manufacturer limits regardless of tread

General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

Format
Date code only

Segments

2611
  • Date
  • Week comes first. 2611 is week 26 of 2011, not week 11 of 2026.

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Where the DOT code sits on a tireA tire sidewall with the DOT code molded on the outer side. The date is the last four digits.DOTDOT 4B H7 JK2319Week 23, then year 2019The full code is often on one sidewall only.Check the other side if the date is missing.
The letters DOT certify the tire. They are not part of the identification number. The last four digits are the week and the year. Tires made before 2000 use three digits, and a triangle means the 1990s.

Week ranges use ISO weeks, Monday through Sunday, and are approximate. Tire makers count weeks on their own calendars. The regulation describes a Sunday-to-Saturday week. Plant names come from the free NHTSA vPIC list. 49 CFR 574.5

Plant data from NHTSA, updated October 13, 2026.

Frequently asked questions

How old is a tire made in 2011?

A tire from week 26 of 2011 is 15 years 3 months old as of 2026-10-13. A tire from week 1 is 15 years 9 months. The exact age depends on the week in the DOT code.

Is a 2011 tire too old?

A mid-year 2011 tire is in the “Replace advised” range: Past most manufacturer limits regardless of tread. General guidance, not a safety inspection. Follow the tire and vehicle maker's recommendation.

What DOT code means 2011?

The last two digits are the year. A code ending in 11, such as 2611, was made in week 26 of 2011. The first two digits are the week, from 01 to 53.

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