Sumitomo tire treadwear ratings

Quick answer: NHTSA's UTQG data lists 72 Sumitomo tire lines. The highest median treadwear grade is 800 (HTR Enhance LX2 (T-rating)); the lowest is 160 (HTR50Z). Treadwear is a relative grade, not a mileage promise.

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Rank	Line	Treadwear	Range	Percentile*	Traction	Temp.	Records
1	HTR Enhance LX2 (T-rating)	800Treadwear	800	99.0	Traction A	Temp B	1
2	HTR ENHANCE L/X "T" (standard load)	700Treadwear	700	95	Traction A	Temp B	1
3	HTR Enhance LX2 (H-rating)	700Treadwear	700	95	Traction A	Temp A	1
4	ECHELON ULTRA LST (T rated)	680Treadwear	680	94	Traction A	Temp A	1
5	HTR ENHANCE CX2	680Treadwear	600–680	94	Traction A	Temp A	10
6	ENCOUNTER AT	660Treadwear	660	94	Traction A	Temp B	1
7	HTR Enhance LX2 (V-rated sizes)	660Treadwear	660	94	Traction A	Temp A	1
8	ENCOUNTER HT2 (H and V rating)	640Treadwear	640	92	Traction A	Temp A	1
9	ENCOUNTER HT2 (T rating)	640Treadwear	640	92	Traction A	Temp B	1
10	HTR A/S P03 (H and V rating)	640Treadwear	640	92	Traction A	Temp A	1
11	HTR ENHANCE CUV (H rating)	640Treadwear	600–680	92	Traction A	Temp A	2
12	Tempra Touring TR	620Treadwear	620	90	Traction A	Temp B	1
13	ENCOUNTER HT ("H" rated)	600Treadwear	600	86	Traction A	Temp A	1
14	ENCOUNTER HT ("T" rated)	600Treadwear	600	86	Traction A	Temp B	1
15	HTR A/S P02 ("H" and "V" rated)	600Treadwear	600	86	Traction A	Temp A	1
16	HTR ENHANCE C/X "H,V"	600Treadwear	600	86	Traction A	Temp A	1
17	HTR ENHANCE C/X "T"	600Treadwear	600	86	Traction A	Temp B	1
18	HTR ENHANCE CUV (T rating)	600Treadwear	600	86	Traction A	Temp B	1
19	HTR ENHANCE CUV (V and W rating)	600Treadwear	600	86	Traction A	Temp A	1
20	HTR ENHANCE L/X "H, V" (standard load)	600Treadwear	600	86	Traction A	Temp A	1
21	Tour Plus LSH	600Treadwear	600	86	Traction A	Temp A	1
22	CUV	560Treadwear	560	82	Traction A	Temp A	23
23	HTR A/S P03 (W rating)	540Treadwear	540	80	Traction A	Temp A	1
24	HTR T4	540Treadwear	520–560	80	Traction A	Temp B	2
25	TOUR PLUS LSH (H rated)	540Treadwear	540	80	Traction A	Temp A	1
26	HTR ENHANCE C/X	520Treadwear	440–600	77	Traction A	Temp A	2
27	TURBOSTAR HT	520Treadwear	520	77	Traction A	Temp B	1
28	Tempra Duration 55/65 series	520Treadwear	520	77	Traction A	Temp B	1
29	Touring SUV	520Treadwear	520	77	Traction A	Temp B	3
30	ECHELON ULTRA LSV (V rated)	500Treadwear	500	68	Traction A	Temp A	1
31	HTR A/S P02 ("W" rated)	500Treadwear	500	68	Traction A	Temp A	1
32	HTR ENHANCE WX2	500Treadwear	500	68	Traction A	Temp A	1
33	Mach 1 R201	500Treadwear	500	68	Traction A	Temp A	35
34	Mach 2 R301	500Treadwear	500	68	Traction A	Temp A	9
35	TOUR PLUS LSV (V rated)	500Treadwear	500	68	Traction A	Temp A	1
36	TRAILBOSS A/T P-METRIC	500Treadwear	500	68	Traction A	Temp B	1
37	TURBOSTAR HTR	500Treadwear	500	68	Traction A	Temp B	1
38	Trailcutter AT	500Treadwear	500	68	Traction A	Temp B	2
39	HTR A/S P01	480Treadwear	360–480	66	Traction A	Temp A	3
40	HTR SPORT H/P	480Treadwear	480	66	Traction A	Temp A	1
41	TELSTAR RADIAL SUV P-metric	460Treadwear	460	62	Traction A	Temp B	1
42	Duration	440Treadwear	440	54	Traction A	Temp B	1
43	HTR ENHANCE L/X	440Treadwear	440	54	Traction A	Temp A	6
44	HTR ENHANCE L/X "W" (standard load)	440Treadwear	440	54	Traction A	Temp A	1
45	HTR ENHANCE L/X XL (extra load)	440Treadwear	440	54	Traction A	Temp A	1
46	NATIONAL TOURING A/S (H and V rating)	440Treadwear	440	54	Traction A	Temp A	1
47	NATIONAL TOURING A/S (S and T rating)	440Treadwear	440	54	Traction A	Temp B	1
48	TOURING LXH	440Treadwear	440	54	Traction A	Temp A	2
49	TOURING SR	440Treadwear	440	54	Traction A	Temp B	1
50	TOURING VR	440Treadwear	440	54	Traction A	Temp A	1
51	TURBOSTAR GT 50/60/65/70 series	440Treadwear	440	54	Traction A	Temp B	1
52	Tempra Duration 70/75/80 series	440Treadwear	440	54	Traction A	Temp B	1
53	Tempra GT	440Treadwear	440	54	Traction A	Temp B	1
54	Tempra GT 50 series	440Treadwear	440	54	Traction A	Temp C	1
55	Touring TR	440Treadwear	420–620	54	Traction A	Temp B	3
56	Tempra Touring HR	420Treadwear	420	50	Traction A	Temp A	1
57	Touring HR	420Treadwear	420–440	50	Traction A	Temp A	7
58	WEATHERIZER T/P 50/60/65/70/75 series	420Treadwear	420	50	Traction A	Temp B	1
59	BC20 (H rating)	400Treadwear	400	42	Traction B	Temp A	1
60	BC20 (T rating)	400Treadwear	400	42	Traction B	Temp B	1
61	ENCOUNTER HT (M version - H,V rated)	400Treadwear	400	42	Traction B	Temp A	1
62	ENCOUNTER HT (M version - T rated)	400Treadwear	400	42	Traction B	Temp B	1
63	Radial SUV	400Treadwear	400	42	Traction A	Temp B	2
64	HTR900	380Treadwear	380	40	Traction B	Temp A	1
65	HTR ZII	360Treadwear	360	35	Traction A	Temp A	1
66	Tempra Duration (Metric)	360Treadwear	360	35	Traction A	Temp B	1
67	Tempra ESQUIRE	340Treadwear	340	31	Traction B	Temp B	1
68	HTR 4	320Treadwear	320	26	Traction A	Temp A	1
69	HTR Z5	320Treadwear	320	26	Traction A	Temp A	2
70	BC100 (T rating)	300Treadwear	300	19	Traction B	Temp B	1
71	HTR ZIII	300Treadwear	300	19	Traction AA	Temp A	1
72	HTR50Z	160Treadwear	160	3	Traction A	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.