Toyo Open Country R/T LT285/55R20 E Open Country R/T
Toyo

Open Country R/T

LT285/55R20 E
All-Season M+S
$349.92/tire $466.56
Set of 4: $1399.68
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

SizeLT285/55R20 E Open Country R/T
Width285 mm
Aspect ratio55
Rim diameterR20
Load index122/119
Speed ratingQ
Ply rating10
SeasonAll-Season
Treadwear warranty45,000 miles
Tread depth16.4/32"
Weight59.7 lbs
Max pressure80 psi
Severe snow (3PMSF)No
Run-flatNo

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 LT285/55R20 E size

In the size code 285/55R20, 285 is the section width in millimetres (about 11.2"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 156.8 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 32.3".

The load index 122 means each tire supports up to 3,307 lbs — about 13,228 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 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 $349.92 per tire, a full set of four costs $1399.68. That is about 13% above the average of the 53 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 $31.10 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 285/55R20 mean?

285 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 156.8 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 32.3 inches.

What are the load and speed ratings of the Toyo Open Country R/T LT285/55R20 E?

Its load index of 122 allows up to 3,307 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 LT285/55R20 E tires cost?

A single tire is $349.92 and a set of four is $1399.68, 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 LT285/55R20 E. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 285/55R20

Toyo Open Country C/T LT285/55R20 E Open Country C/T
Toyo
Open Country C/T
LT285/55R20 E
All-Weather 3PMSF
$345.36/tire
$1381.44 set of 4
Nexen Roadian ATX LT285/55R20 E Roadian ATX
Nexen
Roadian ATX
LT285/55R20 E
3PMSF
$286.50/tire
$1146.00 set of 4