Toyo Open Country R/T PRO LT275/70R18 E Open Country R/T Pro
Toyo

Open Country R/T PRO

LT275/70R18 E
All-Season M+S
$311.54/tire $415.39
Set of 4: $1246.16
Minimum order: 4 tires (sizes can be mixed) ? Selling in sets of 4 is how we keep our prices this low — and a matching set keeps your car balanced and safe.
Most drivers replace all four for even wear and handling.
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Specifications

SizeLT275/70R18 E Open Country R/T Pro
Width275 mm
Aspect ratio70
Rim diameterR18
Load index125/122
Speed ratingQ
Ply rating10
SeasonAll-Season
Treadwear warranty45,000 miles
Tread depth17/32"
Weight62 lbs
Max pressure80 psi
Severe snow (3PMSF)No
Run-flatNo

About the Toyo Open Country R/T PRO

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.

Features

* Omni-directional shaped tread blocks, increased void ratio and lateral grooves* Three variable pitch pattern* 3-ply polyester construction with massive lugs* Advanced tread compound* M+S Rated* 45,000 Mile Limited Treadwear Warranty* 500 Miles or 45 Days Trial Offer

Benefits

* Carves through mud and snow for improved traction* Resists irregular wear* Lowers pattern noise for on-road comfort* Protects from cuts, chips and impacts* Claws at uneven terrain for more traction in dirt, sand, mud, rocks and snow* Resists cuts and chips* Provides even wear for longer tread life

Understanding the LT275/70R18 E size

In the size code 275/70R18, 275 is the section width in millimetres (about 10.8"). 70 is the aspect ratio — the sidewall height is 70% of the width, or roughly 192.5 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 33.2".

The load index 125 means each tire supports up to 3,638 lbs — about 14,552 lbs across a full set of four. The speed symbol Q certifies the tire to 99 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 PRO is built for

The Toyo Open Country R/T PRO 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 $311.54 per tire, a full set of four costs $1246.16. That is about 28% above the average of the 105 tires we stock in this size, reflecting its position in the range. Backed by a 45,000-mile treadwear warranty, that works out to roughly $27.69 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 275/70R18 mean?

275 is the section width in millimetres, 70 is the aspect ratio (sidewall height as a percentage of width, about 192.5 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 33.2 inches.

What are the load and speed ratings of the Toyo Open Country R/T PRO LT275/70R18 E?

Its load index of 125 allows up to 3,638 lbs per tire. Its speed rating of Q is certified to 99 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 PRO LT275/70R18 E tires cost?

A single tire is $311.54 and a set of four is $1246.16, covered by a 45,000-mile treadwear warranty.

Does the Open Country R/T PRO come in other sizes?

Yes — we stock 52 additional Open Country R/T PRO sizes besides LT275/70R18 E. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 275/70R18