Phillips tire treadwear ratings

400–499 (2)

Quick answer: NHTSA's UTQG data lists 2 Phillips tire lines. The highest median treadwear grade is 460 (PROMETER LL60); the lowest is 440 (PROMETER LL65). Treadwear is a relative grade, not a mileage promise.

Click a column heading to sort.

Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	PROMETER LL60	460Treadwear	460–520	62	Traction AA	Temp A	6
2	PROMETER LL65	440Treadwear	440	54	Traction AA	Temp A	2

*Percentile = share of all 3,023 lines with a lower median treadwear. Only lines with a linked name have their own page so far; more are added in stages.

Source: NHTSA tire ratings API, 2026-10-25. Methodology.

Guides that explain these numbers

What does a tire treadwear rating mean?UTQG basics
Treadwear rating vs. mileage warrantyTreadwear vs. mileage
How to find the longest-lasting tires for your sizeChoosing

Last updated: 2026-10-25 · Data: NHTSA tire ratings (UTQG) API, pulled 2026-10-25. 7,628 records.