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Sunny tire treadwear ratings

Quick answer: NHTSA's UTQG data lists 1 Sunny tire line. The highest median treadwear grade is 500 (Mach 3 R702); the lowest is 500 (Mach 3 R702). Treadwear is a relative grade, not a mileage promise.

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RankLineTreadwearRangePercentile*TractionTemp.Records
1Mach 3 R70250068Traction ATemp A9

*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

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