Write a Review
Toyo
Toyo Open Country A46 255/60R18 108H - 302210
Toyo Open Country A46 255/60R18 108H - 302210
📧 Get Fitment Help
Verify parts fit & get product recommendations
Lease-to-own for as low as
/week
Get Started
Guaranteed to Fit — confirm your size with the fitment checker on this page
Price Match Guarantee Learn More
Free Mount & Balance
Free Shipping
IN STOCK (58 wheels)
📧 Get Fitment Help
Verify parts fit & get product recommendations
Shop the Toyo Open Country A46 255/60R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 255/60R18 means
In the size 255/60R18, 255 is the section width in millimeters (10.04 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 153.0 mm (6.02 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 30.05 inches, turning roughly 671 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The service description on this tire decodes to a load index of 108 — a maximum load of 2,205 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 255/60R18 |
| Tire Type | All Season |
| Service Description | 108H |
| Load Index | 108 |
| Speed Rating | H |
| Load Range | Standard Load |
| Section Width (mm) | 255 |
| Aspect Ratio | 60 |
| Overall Diameter (in) | 30 |
| Tread Depth (/32") | 9 |
| Treadwear | 300 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 300AA |
Frequently asked questions
What are the treadwear and warranty ratings on the Toyo Open Country A46?
This tire carries a treadwear grade of 300, traction grade A, temperature grade A under UTQG.
What does 108H mean on the Toyo Open Country A46?
108H breaks down as load index 108 — rated for 2,205 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Toyo Open Country A46?
The Toyo Open Country A46 in 255/60R18 is a all season tire.
Keep shopping
Shop all 255/60R18 tires, browse Toyo tires, see every Toyo Open Country A46 size, or view all tires at ThreePiece.us.
- BRAND:
- Toyo
- Model:
- Open Country A46
- Size:
- 255/60R18
- Aspect Ratio:
- 60
- Load Index:
- 108
- Load Range:
- Standard Load
- Section Width:
- 255
- Service Description:
- 108H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 30
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 300
- Tread Depth:
- 9
- UQTG:
- 300AA
PRODUCT REVIEWS (0)
Overall Rankings
Have you tried this product?
WRITE A REVIEWNo reviews for this product yet. Be the first to write a review!
Write a Review