American tire treadwear ratings

Quick answer: NHTSA's UTQG data lists 9 American tire lines. The highest median treadwear grade is 640 (GOLD TOUR PLUS 70/75 ser.); the lowest is 300 (GT GRAND TURBO ZR4). Treadwear is a relative grade, not a mileage promise.

Click a column heading to sort.

Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	GOLD TOUR PLUS 70/75 ser.	640Treadwear	560–660	92	Traction A	Temp B	3
2	GOLD TOUR PLUS 60/65 ser.	600Treadwear	600	86	Traction A	Temp B	1
3	PROSPECTOR A/T LT	500Treadwear	500	68	Traction A	Temp C	7
4	Silver	480Treadwear	480	66	Traction A	Temp B	1
5	GT GRAND TURBO	460Treadwear	440–480	62	Traction A	Temp B	2
6	PROSPECTOR A/P LT	420Treadwear	420	50	Traction A	Temp C	1
7	GT GRAND TURBO HR4	400Treadwear	400	42	Traction A	Temp A	1
8	Bronze	340Treadwear	320–360	31	Traction A	Temp C	2
9	GT GRAND TURBO ZR4	300Treadwear	300	19	Traction AA	Temp A	1

*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.