Americus tire treadwear ratings

500–599 (5)

Quick answer: NHTSA's UTQG data lists 5 Americus tire lines. The highest median treadwear grade is 560 (CUV); the lowest is 500 (Touring Plus). Treadwear is a relative grade, not a mileage promise.

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Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	CUV	560Treadwear	560	82	Traction A	Temp A	12
2	Touring CUV	560Treadwear	560	82	Traction A	Temp A	11
3	A/T	540Treadwear	540	80	Traction A	Temp B	19
4	Sport HP	500Treadwear	420–500	68	Traction A	Temp A	13
5	Touring Plus	500Treadwear	500	68	Traction A	Temp A	21

*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.