Name: Discoverer AT3 LT
Brand: Cooper
Rating: 4.5 (27 reviews)

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Learn about what all terrain tires are, what they are capable of and what type of car and driver needs them based on advice from our SimpleTire tire experts.

All-terrain tires | What are they & who needs them?

# All Terrain tires
Commonly used on light trucks, jeeps, and SUVs, [All Terrain tires](https://simpletire.com/learn/tire-buying-guides/all-terrain-tires) are designed to give drivers strong traction and performance on- and off-road.

All Terrain tires often feature an aggressive tread pattern that allows them to conquer rocks, dirt, mud, and even snow, and reinforced sidewalls that are meant to withstand damage from off-road driving, and some All Terrain tires even features a Three Peak Mountain Snowflake certification thanks to their ability to perform in severe snow conditions. The most popular tire manufacturers make All Terrain tires including [Cooper](https://simpletire.com/brands/cooper-tires/categories/all-terrain), [Toyo](https://simpletire.com/brands/toyo-tires/categories/all-terrain), [Pirelli](https://simpletire.com/brands/pirelli-tires/categories/all-terrain), [Firestone](https://simpletire.com/brands/firestone-tires/categories/all-terrain) and more.

If you're looking for a set all-terrain tires online then you've come to the right place, as SimpleTire has thousands of great all-terrain tires that meet your driving needs and budget.

[All terrain tire reviews](https://simpletire.com/categories/all-terrain-tires/reviews)

All-Terrain Tires Driving on a Ricky Hillside

All Terrain tires

primary

This tire has a great warranty, which means that it's expected to last a 
                            long time based on the tire type. Regular tire maintenance, such as rotation and alignment, 
                            and safe driving habits are key to ensuring this tire hits its stated mileage warranty.

Great Mileage Warranty

Discoverer AT3 LT

Drivers who typically haul heavier loads require a set of durable tires that can perform on- and off-road. Fortunately, all-terrain tires such as Cooper Discoverer AT3 LT are designed with these drivers in mind. The tire features rugged traction shoulders for enhanced off-road traction, stone ejector ledges to force out stone and gravel from the tread, and a unique shape tread for enhanced longevity and handling. The Discoverer AT3 XLT also comes with a symmetrical tread pattern to reduce uneven tread wear for a longer tread life, making it a great overall choice for vehicles such as Ford Super Duty, Chevrolet Silverado HD, Nissan Titan XD, Ram 1500, and many more.

Best Rated All Terrain Tires

Trail Guide All Terrain

All-terrain tires offer drivers traction on- and off-road, and are typically used by light truck and SUV drivers who want a tire that's able to climb rocks and perform on the highway.

Vehicle

This product is covered by a 60,000 mile manufacturer’s treadlife warranty. Merchandise covered by a manufacturer’s warranty is sold with the warranty by the 
        manufacturer extended to the purchaser. We will be happy to assist in obtaining fulfillment of a manufacturer’s 
        warranty. Other than applicable manufacturers’ warranties, there are no warranties, express or implied, 
        including any warranty of merchantability or fitness for a particular purpose. The only tires SimpleTire can 
        warranty are brand new defects (meaning that they have not been mounted or driven on). Any bead damaged will be 
        void of any warranty claim. Any other adjustments should be taken to the nearest authorized dealer for that 
        manufacturer. Sometimes the manufacturer also provides a treadlife warranty and mileage rating. Please be aware 
        that not all tires hold a mileage warranty from the manufacturer. Different tire models, even from the same 
        manufacturer, may or may not come with a treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer  
                (Single wheel applications / Dual wheel applications).

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

Load Range

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

Rim Range

The diameter of a tire that is inflated without any load applied.

Overall Diameter

A three-peak mountain snowflake (3PMSF) symbol branded on a tire's sidewall indicates the tire meets required performance criteria in snow testing to be considered severe snow service-rated.

Three-Peak Mountain Snowflake (3PMS)

The Cooper Discoverer AT3 LT tires are well-regarded for their blend of aggressive looks and versatile performance. They excel in various terrains, including mud and snow, while maintaining good road manners. While some users experienced issues with fuel economy and performance on ice, the overall sentiment is positive, with many customers expressing satisfaction and willingness to purchase again.

The Cooper Discoverer AT3 LT tires receive generally positive reviews for their performance, appearance, and versatility across various driving conditions.

Discoverer AT3 LT Reviews

27 reviews