Open Country R/T
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Specifications
| Size | LT315/70R17 C Open Country R/T |
|---|---|
| Width | 315 mm |
| Aspect ratio | 70 |
| Rim diameter | R17 |
| Load index | 113/110 |
| Speed rating | S |
| Ply rating | 6 |
| Season | All-Season |
|---|---|
| Treadwear warranty | 45,000 miles |
| Tread depth | 16.4/32" |
| Weight | 68.3 lbs |
| Max pressure | 35 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Toyo Open Country R/T
All-Season Rugged-Terrain Passenger Light Truck/SUV tire. A Hybrid Design Combining the Extreme Off-Road Traction of a Mud-Terrain tire with the On-Road Traction and Comfort of an All-Terrain tire. Dual Sidewall Designs allow for Customization.
Features
* Wide shoulder grooves* Scalloped shoulder lugs* High turn-up, 3-ply polyester casing* Optimized pattern arrangement* Aggressive sidewall designs with durable sidewall compound* Stone and mud ejectors* M+S Rated* 45,000 Mile Limited Treadwear Warranty* 500 Mile Trial Offer
Benefits
* Contributes to excellent off-road traction* Prevents mud and snow buildup* Improves off-road traction by biting into the ground* Strengthens tire for excellent handling and durability, while maintaining proper load capacity* Increases tread life* Reduces noise for improved driving comfort* Protects against side impacts and has excellent cut resistance* Offers customization with two distinct looks* Removes stones and mud from grooves
Understanding the LT315/70R17 C size
In the size code 315/70R17, 315 is the section width in millimetres (about 12.4"). 70 is the aspect ratio — the sidewall height is 70% of the width, or roughly 220.5 mm. R17 means radial construction on a 17-inch wheel, giving an approximate overall diameter of 34.4".
The load index 113 means each tire supports up to 2,535 lbs — about 10,140 lbs across a full set of four. The speed symbol S certifies the tire to 112 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Toyo Open Country R/T is built for
The Toyo Open Country R/T is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. It is classified for rugged-terrain (r/t) (m/t & r/t - mainly lt specific) use.
Price and value
At $275.33 per tire, a full set of four costs $1101.32. That sits close to the average for the 61 tires we stock in this size. Backed by a 45,000-mile treadwear warranty, that works out to roughly $24.47 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 315/70R17 mean?
315 is the section width in millimetres, 70 is the aspect ratio (sidewall height as a percentage of width, about 220.5 mm), and R17 indicates radial construction for a 17-inch wheel. Overall diameter is approximately 34.4 inches.
What are the load and speed ratings of the Toyo Open Country R/T LT315/70R17 C?
Its load index of 113 allows up to 2,535 lbs per tire. Its speed rating of S is certified to 112 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 R/T LT315/70R17 C tires cost?
A single tire is $275.33 and a set of four is $1101.32, covered by a 45,000-mile treadwear warranty.
Does the Open Country R/T come in other sizes?
Yes — we stock 60 additional Open Country R/T sizes besides LT315/70R17 C. Fit only a size approved for your vehicle.