TreadGrade

Big O

50 tire lines and 98 grade rows in the NHTSA ratings file. Treadwear spans 180–780.

About this data

These are rows in NHTSA's ratings list, under the brand string that list stores. The list does not say whether a tire is still sold, and it has no category field. Light-truck tires, deep-tread winter-type snow tires, and temporary spare tires are outside the UTQG rule, so a missing line is not a grade. Sorting these rows is an ordering of NHTSA's list, not a ranking of the best tire. Data last verified October 21, 2026 (UTC). Data-quality notes.

Big O tire lines
Tire line Size rows Treadwear Traction Temperature
Advantage Touring 7 320–600 B A
Elite-Force T/A 1 440 A A
EURO TOUR (V RATED) 1 520 A A
EURO TOUR 65/70 SR 1 520 A B
EURO TOUR 75 SR 1 500 A B
FULDA ASSURO - H 1 360 A A
FULDA ASSURO - V 1 180 A A
FULDA EXTREMO 1 180 A A
g-Force COMP-2 A/S 1 500 AA A
g-Force COMP-2 A/S PLUS 1 500 A A
g-Force Phenom T/A 1 500 A A
g-Force R1 1 620 B A
g-Force Rival 1 640 AA A
g-Force Rival S 1 640 AA A
g-Force Sport COMP-2 1 300 AA A
HANKOOK VENTUS PLUS 4 - V RATED 1 340 A A
HANKOOK VENTUS PLUS 4 - Z RATED 1 220 A A
LEGACY TMR 1 340 A B
LEGACY TOUR PLUS 18 380–700 A AB
LEGACY TOUR PLUS (H RATED) 3 560–620 A A
LEGACY TOUR PLUS (S & T RATED) 1 720 A B
LEGACY TOUR PLUS (T RATED) 1 780 A A
LEGACY TOUR PLUS (V RATED) 1 580 A A
LEGACY TOUR PLUS (W RATED) 1 500 A A
LEGACY TOUR PLUS 60/65/70 SR 1 660 A B
LEGACY TOUR PLUS 75/80 SR 1 600 A B
LEGACY TOUR PLUS H 2 380 A AB
LIGHTNING 1 440 A B
NANKANG "H" ADVERTISER 1 380 A A
NANKANG METRIC ADVERTISER (34681) 1 280 A A
PACEMARK H 1 320 A A
PACEMARK S 1 440 A B
PRESTIGE PATHMAX AT (P-METRIC) 1 320 B C
PRESTIGE RADIALMAX 1 380 A B
PRESTIGE RADIALMAX 65/70 SR 1 380 A B
PRESTIGE RADIALMAX 75/80 SR 1 340 B B
PRESTIGE RADIALMAX METRIC 1 320 B B
R/T PATHMAX 1 400 A B
Radial T/A 2 320–340 A B
Radial T/A Spec 1 280 A B
Rugged Terrain T/A 1 440 A B
Rugged Trail T/A 1 560 A B
SPORT TOURING (P-METRIC) 1 540 A B
SUN VALLEY 70 SR 1 420 A B
SUN VALLEY 75/80 SR 1 400 A B
SXP G/T 50 series 1 440 A C
SXP G/T 60/65/70 series 1 440 A B
SXP SUPER SPORT 20 440 A B
Traction T/A 1 740 A B
Trail-Terrain T/A 3 400–660 A AB

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