Cooper Discoverer Rugged Trek LT 35X12.50R18LT F Discoverer Rugged Trek LT
Cooper

Discoverer Rugged Trek LT

35X12.50R18LT F
All-Season M+S
$343.49/tire $457.99
Set of 4: $1373.96
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

Size35X12.50R18LT F Discoverer Rugged Trek LT
Width35 mm
Aspect ratio
Rim diameterR18
Load index128
Speed ratingQ
Ply rating12
SeasonAll-Season
Treadwear warranty55,000 miles
Tread depth18/32"
Weight68.61 lbs
Max pressure80 psi
Severe snow (3PMSF)No
Run-flatNo

About the Cooper Discoverer Rugged Trek LT

Mud-Terrain Passenger Light Truck/SUV tire.

Features

* Dual off-road sidewalls, both sides offering long, deep cleats* Earth Diggers™ Technology with large shoulder scoops and lugs* Jutting ridges expel lodged stones* Stable Trac™ Technology - omni-directional, micro-gauge siping* Whisper Grooves™ Technology - specially designed sound barrier walls* M+S Rated* Free 45-Day Test Drive* 55,000 Mile Limited Treadwear Warranty - (LT sizes)

Benefits

* Enhance off road traction* Combine to forcefully dig into dirt, sand and mud* Protect against damage from sharp rocks* Enhances traction on roads and rough surfaces, improving stability and control* Reduce road noise

Understanding the 35X12.50R18LT F size

In the size code 35R18, 35 is the section width in millimetres (about 1.4"). R18 means radial construction on a 18-inch wheel.

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 Cooper Discoverer Rugged Trek LT is built for

The Cooper Discoverer Rugged Trek LT 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 mud-terrain (m/t) use.

Price and value

At $343.49 per tire, a full set of four costs $1373.96. That sits close to the average for the 63 tires we stock in this size. Backed by a 55,000-mile treadwear warranty, that works out to roughly $24.98 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 35R18 mean?

35 is the section width and R18 indicates radial construction for a 18-inch wheel.

What are the load and speed ratings of the Cooper Discoverer Rugged Trek LT 35X12.50R18LT F?

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 Cooper Discoverer Rugged Trek LT 35X12.50R18LT F tires cost?

A single tire is $343.49 and a set of four is $1373.96, covered by a 55,000-mile treadwear warranty.

Does the Discoverer Rugged Trek LT come in other sizes?

Yes — we stock 31 additional Discoverer Rugged Trek LT sizes besides 35X12.50R18LT F. Fit only a size approved for your vehicle.

Other sizes of this model

Similar tires in 35/R18

Toyo Open Country C/T 35X12.50R18LT F Open Country C/T
Toyo
Open Country C/T
35X12.50R18LT F
All-Weather 3PMSF
$359.97/tire
$1439.88 set of 4