CarCareTruth Score
Decent, but it's tough on the environment.
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Prices may varyThis product ranks #14 of 32 in Tires.Three above it ↓
Last reviewed June 6, 2026
TL;DR A 3PMSF-certified all-terrain (UTQG Traction A, Treadwear 600) that independent tests show handling deep snow and hard pack well; a capable year-round choice for trucks and SUVs.
P-metric sizes carry UTQG grades 600/A/B and a 3PMSF severe-snow stamp. SnoWest field testing found strong deep-snow and hard-pack results; TireTerrain independent tests show solid off-road scores across dirt, mud, and rock. Owner data trends toward long tread life consistent with the high Treadwear band, though the cross-platform owner sample remains below the verified threshold. The AT3 spans 15- to 22-inch rims.
Right fit for a truck or SUV owner needing certified severe-snow capability with solid tread life and mixed on/off-road use. Skip if your use is pavement-only and quiet is the priority; a grand-touring all-season will outscore it on those axes.
Cured-rubber-and-steel construction; no chemical-exposure pathway from the tire in normal mounting and use. A Prop 65 warning appears on the listing, standard for tires. Tire-wear particles and 6PPD-quinone in road runoff are category-level concerns shared by all tires.
The Amazon listing for Toyo Tires Open Country A/T III carries a California Prop 65 warning. California requires this warning on a very wide range of manufactured goods — including rubber, vinyl, plastic, and metal automotive parts — whenever trace exposure to any of roughly 900 listed substances (commonly phthalates or heavy metals) is possible, regardless of whether the specific product poses a meaningful health risk. As a passive accessory, Toyo Tires Open Country A/T III has no Safety Data Sheet, so there's no chemistry breakdown to translate beyond that.
Marketing copy from Toyo Tires, via Amazon. Not editorial.
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