Mirada tire treadwear ratings

Quick answer: NHTSA's UTQG data lists 23 Mirada tire lines. The highest median treadwear grade is 580 (SE2 (T-rated)); the lowest is 220 (RTX 40). Treadwear is a relative grade, not a mileage promise.

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Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	SE2 (T-rated)	580Treadwear	580	85	Traction A	Temp B	1
2	Motomaster AW II	520Treadwear	520	77	Traction A	Temp A	1
3	SE2 (V/H-rated)	460Treadwear	460	62	Traction A	Temp A	1
4	Touring AW/H	440Treadwear	440	54	Traction A	Temp B	5
5	Motomaster AW	430Treadwear	420–440	54	Traction A	Temp B	2
6	Yokohama	400Treadwear	360–440	42	Traction A	Temp B	2
7	ROAD TAMER LX	380Treadwear	340–420	40	Traction A	Temp B	2
8	ROAD TAMER 950 70	350Treadwear	330–370	35	Traction A	Temp B	2
9	RTX55	350Treadwear	350	35	Traction A	Temp B	1
10	RADIAL H/T	340Treadwear	340	31	Traction A	Temp B	1
11	ROAD TAMER	340Treadwear	320–360	31	Traction A	Temp B	2
12	ROAD TAMER 950	325Treadwear	310–350	31	Traction A	Temp B	4
13	ROAD TAMER 400	320Treadwear	320	26	Traction A	Temp B	1
14	ROAD TAMER 700 75/80	320Treadwear	310–330	26	Traction A	Temp B	3
15	ROAD TAMER GENERAL	320Treadwear	320	26	Traction A	Temp B	1
16	ROAD TAMER 600	310Treadwear	300–320	26	Traction A	Temp B	2
17	ROAD TAMER 700 70	300Treadwear	300	19	Traction A	Temp B	1
18	RTX50 70	300Treadwear	300	19	Traction B	Temp C	1
19	RTX55 70	300Treadwear	300	19	Traction A	Temp C	1
20	RTX55 75/80	300Treadwear	300	19	Traction A	Temp C	1
21	ROAD TAMER 450	260Treadwear	260	13	Traction B	Temp B	1
22	RTX50 75/80	230Treadwear	220–240	10	Traction B	Temp C	2
23	RTX 40	220Treadwear	220	8	Traction B	Temp C	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.