The Yokohama Geolandar A/T4 vs Toyo Open Country A/T III is a heavyweight battle between two of the most serious contenders in the all-terrain segment. Yokohama arrives as the modern challenger, promising rugged off-road capability without sacrificing everyday road manners, while Toyo’s proven Open Country A/T III has already built a formidable reputation for durability, traction and refinement.
Both tires claim to deliver the complete all-terrain package—but when wet performance, snow traction, comfort, mileage and price are compared, which one truly deserves a place on your truck or SUV? Let’s examine the results.
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Results : Yokohama Geolandar A/T4 vs Toyo Open Country A/T III
The test results are based on Treadwell data from Discount Tire. The graph below compares the Yokohama Geolandar A/T4 vs Toyo Open Country A/T III across key performance categories.
For subjective evaluations, each point is treated as equivalent to a 5% difference. For example, if Tire A scores a 4 and Tire B scores a 3, Tire A is considered 5% better than Tire B in that category.
Wet
In wet braking, the Yokohama Geolandar A/T4 stopped in 206 feet, compared with 216 feet for the Toyo Open Country A/T III. This 10-foot difference puts the Toyo 5% behind the Yokohama. The Geolandar A/T4 also scored 3 out of 5 for wet handling, one point higher than the Open Country A/T III’s 2 out of 5, giving the Toyo another 5% disadvantage. Overall, the Yokohama is the clear wet-performance winner, offering both shorter braking and better handling.
Open Country A/T III :
- -5% Wet Braking
- -5% Wet Handling
Snow
In snow braking, the Toyo Open Country A/T III stopped in 120 feet, compared with 134 feet for the Yokohama Geolandar A/T4. This 14-foot difference gives the Toyo a strong 12% advantage. The Toyo also scored 2.5 out of 5 for snow acceleration, half a point higher than the Yokohama’s 2 out of 5, giving it a further 2% advantage. Overall, the Open Country A/T III is the better snow performer, particularly when stopping distance matters.
Open Country A/T III :
- +12% Snow Braking
- +2% Snow Acceleration
Mileage
The Toyo Open Country A/T III has a median mileage of 63,000 miles, compared with 48,500 miles for the Yokohama Geolandar A/T4. This 14,500-mile difference gives the Toyo a significant 30% mileage advantage, making it the stronger choice for drivers prioritizing tread life and long-term value.
Open Country A/T III :
- +30% Mileage
Dry
In dry braking, the Toyo Open Country A/T III stopped in 155 feet, just one foot shorter than the Yokohama Geolandar A/T4 at 156 feet, giving the Toyo a small 1% advantage. Both tires scored 3 out of 5 for dry handling, resulting in no difference between them. Overall, their dry performance is effectively equal, with neither tire holding a meaningful advantage.
Open Country A/T III :
- +1% Dry Braking
- 0% Dry Handling
Noise Vibration & Harshness (NVH)
Both tires scored 2.5 out of 5 for quietness, so there is no difference in road noise. For ride comfort, the Toyo Open Country A/T III scored 3.5 out of 5, half a point higher than the Yokohama Geolandar A/T4 at 3 out of 5, giving the Toyo a 2.5% advantage. Overall, both tires are equally quiet, but the Toyo provides a slightly more comfortable ride.
Open Country A/T III :
- 0% Quiet Ride
- +2.5% Comfort
Fuel Consumption
For fuel efficiency, the Toyo Open Country A/T III scored 3.5 out of 5, which is 1.5 points higher than the Yokohama Geolandar A/T4 at 2 out of 5. This gives the Toyo a clear 7.5% advantage, making it the more fuel-efficient choice of the two.
All-Terrain T/A KO3 :
- +7.5% Fuel Efficiency
Price
In size 285/70R17, the Yokohama Geolandar A/T4 costs $281 per tire, while the Toyo Open Country A/T III costs $355. The Toyo is $74 more per tire, making it 26% more expensive—or an additional $296 across a complete set. This gives the Yokohama a significant price advantage.
Tire size: 285/70R17
- Geolandar A/T4 :$ 281
- Open Country A/T III : $ 355
Difference: -7% more expensive for All-Terrain T/A KO3
Conclusion:
From my perspective as a tire expert, the Yokohama Geolandar A/T4 is the better choice for drivers who prioritize wet safety and upfront value, offering stronger wet braking and handling while costing $74 less per tire. The Toyo Open Country A/T III earns its premium through better snow performance, 30% longer projected mileage, greater fuel efficiency and a slightly more comfortable ride. With dry performance effectively equal, I would choose the Yokohama for everyday driving in warmer or wetter climates, but the Toyo for high-mileage use and regular winter conditions.
Dr Edwin Pang