Tempra tire treadwear ratings

200–299 (1)
400–499 (1)
500–599 (1)

Quick answer: NHTSA's UTQG data lists 3 Tempra tire lines. The highest median treadwear grade is 540 (R404); the lowest is 270 (R202). Treadwear is a relative grade, not a mileage promise.

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Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	R404	540Treadwear	540	80	Traction A	Temp B	2
2	Mach 4 R302	460Treadwear	420–500	62	Traction A	Temp A	18
3	R202	270Treadwear	240–300	15	Traction A	Temp A	4

*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.