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Open Country H/T OE
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Specifications
| Size | P255/45R20 Open Country H/T Oe |
|---|---|
| Width | 255 mm |
| Aspect ratio | 45 |
| Rim diameter | R20 |
| Load index | 101 |
| Speed rating | W |
| Load range | SL |
| UTQG | 300 A A |
|---|---|
| Tread depth | 9.2/32" |
| Weight | 30.9 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Toyo Open Country H/T OE
All-Season Highway-Terrain Passenger Light Truck/SUV tire. Original Equipment for the 2025 Mitsubishi Outlander, 2026 Mazda CX-70 2026 Plug-In Hybrid EV and the 2026 Mazda CX-5.
Features
* M+S Rated
Benefits
* Provides good dry, wet and light snow performance* Provides a comfortable ride* Lower rolling resistance
Understanding the P255/45R20 size
In the size code 255/45R20, 255 is the section width in millimetres (about 10"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 114.8 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 29".
The load index 101 means each tire supports up to 1,819 lbs — about 7,276 lbs across a full set of four. The speed symbol W certifies the tire to 168 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
Tread life and grip ratings
This tire carries a UTQG rating of 300 A A. The treadwear grade of 300 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $202.22 per tire, a full set of four costs $808.88. That is about 15% below the average price of the 157 tires we stock in this size.
Frequently asked questions
What does the tire size 255/45R20 mean?
255 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 114.8 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 29 inches.
What are the load and speed ratings of the Toyo Open Country H/T OE P255/45R20?
Its load index of 101 allows up to 1,819 lbs per tire. Its speed rating of W is certified to 168 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Toyo Open Country H/T OE P255/45R20 tires cost?
A single tire is $202.22 and a set of four is $808.88.
Does the Open Country H/T OE come in other sizes?
Yes — we stock 2 additional Open Country H/T OE sizes besides P255/45R20. Fit only a size approved for your vehicle.