BFGoodrich KO3 vs Toyo Open Country A/T III
These two all-terrains come at the same job from opposite ends. The KO3 is BFGoodrich's trail-first tire that happens to drive fine on the highway. The Open Country A/T III is Toyo's road-first all-terrain that happens to handle a trail. Both carry the snowflake. Which one's right depends on where your truck actually spends its miles.
Updated October 15, 2026
Quick verdict
If your truck is mostly a commuter, buy the Open Country A/T III: it's lighter, cheaper, comes in more sizes, and carries a longer warranty on P-metric sizes. If your truck sees rough trails, rock, or abuse often enough to worry about sidewalls, buy the KO3. Its tread and sidewall are built for that, and it's worth the extra money.
BFGoodrich KO3
Best for: Trucks that see real trail time and need a tougher, more aggressive all-terrain
Strengths
- ✓More aggressive tread and shoulders for rough trails
- ✓Snow-rated (3PMSF)
- ✓The default trail tire for a reason
Weaknesses
- ✗About 5.5 lb heavier per tire than the A/T III in LT285/70R17
- ✗Costs about $29 more per tire in 285/70R17
- ✗Fewer sizes
Toyo Open Country A/T III
Best for: Daily drivers that want all-terrain capability with the lightest weight and best price
Strengths
- ✓Lightest of the two by about 5.5 lb per tire
- ✓Up to 65,000-mile warranty on P-metric sizes
- ✓The most sizes of any tire we track: 138
Weaknesses
- ✗Milder tread gives up bite in mud and on loose rock
- ✗LT sizes carry a 50,000-mile warranty, same as the KO3
- ✗Less of a trail reputation
Spec Comparison
| Attribute | BFGoodrich KO3 | Toyo Open Country A/T III | Winner |
|---|---|---|---|
| Tire type | All-terrain (trail-first) | All-terrain (road-first) | Tie |
| Severe snow rated (3PMSF) | Yes | Yes | Tie |
| Treadwear warranty | Up to 50,000 miles | Up to 65,000 miles (50,000 on LT sizes) | Toyo Open Country A/T III |
| Tread depth, LT285/70R17 | 16/32" | 16.5/32" | Tie |
| Weight, LT285/70R17 | 60.5 lb | 55 lb | Toyo Open Country A/T III |
| Sizes available | 108 sizes, 15" to 22" wheels | 138 sizes, 15" to 22" wheels | Toyo Open Country A/T III |
| Price at NTW, 285/70R17 (Oct 2026) | From $321 | From $292 | Toyo Open Country A/T III |
| Off-road focus | More aggressive tread and shoulders | Milder tread tuned for pavement | BFGoodrich KO3 |
When to Choose Each
Commuter that camps a few times a year
Lighter, cheaper, and built around road manners. You will not miss the extra bite.
Weekend trail rig that also commutes
The more aggressive tread and shoulders pay off every weekend.
Winter driving
Both carry the three-peak mountain snowflake.
Rocky trails and sidewall abuse
That's the job the KO3 is built for.
Uncommon or factory OE size
With 138 sizes, the Toyo is the most likely to come in yours.
Switching sizes when you upgrade? Check the fitment first — our free calculator compares diameter, ride-height, and speedometer error.
Tire Size Calculator →Frequently Asked Questions
Is the Toyo Open Country A/T III better than the KO3?+
For a truck that is mostly on pavement, yes: it is lighter, cheaper, comes in more sizes, and has a longer P-metric warranty. For rough trails, the KO3 is the tougher, more aggressive tire.
Which lasts longer?+
On P-metric sizes the A/T III carries up to 65,000 miles against 50,000 for the KO3. On LT sizes both carry 50,000.
Are both snow-rated?+
Yes. Both carry the three-peak mountain snowflake (3PMSF).
Which is lighter?+
The A/T III. In LT285/70R17 it is about 55 lb against about 60.5 lb for the KO3.
Related Pages
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See both in your size
NTW stocks the KO3 and the Open Country A/T III. Check every size and today’s price.