Cooper STT Pro vs BFGoodRich KM3 Tire

Cooper STT PRO vs BFGoodrich KM3

Tires are an important part of your car. If you have a tire that isn’t in good condition, it can lead to a whole host of issues with your vehicle. This article will help you understand the differences between Cooper STT Pro and BFGoodrich KM3 tires so that you can make an educated purchase decision based on what’s best for you.

Cooper STT Pro Vs BFG KM3 Table

The Cooper STT Pro is one of their newest models, so we decided to compare it with BF Goodrich’s KM3 model. We will show you the differences between both tires below so that you can decide which would be best for your vehicle!

All Season Tire

Mud Terrain Tire

Come In 48 Sizes From 16 Inches To 22 Inches, Except 19 & 21 Inches

Comes In 66 Sizes With Rim Sizes From 14 Inches To 20 Inches Except For 19 Inches

Cooper Stt Pro Is Not Protected By A Treadwear Protection Warranty

BFG KM3 Tires Have A Standard Manufacturer Limited Warranty

Maximum Tire Pressure Is 35 Psi To 80 Psi (Depending on Which Tire Size You Using)

Maximum Tire Pressure Is 45 Psi To 80 Psi (Depending on Which Tire Size You Using)

Deep Tread Depth Average Between 18.5/32 Inches To 21/32 Inches

BFG KM3 Tire Tread Depth On Average Of 18/32 Inches

Cooper Stt Pro Suitable For The Drivers Of Pickup Trucks, Jeeps And SUVs

BFG KM3 Tire Perfect for Light Truck, SUVs or CUVs

Cooper STT Pro Tire Maximum Load Capacity Between 1984 To 4079 Lbs

BFG KM3 Tire Maximum Load Capacity Between 1764 To 4079 Lbs

Rock Climber Sidewall Technology Helps Conquer The Toughest Obstacles

Massive Tread Blocks Are Designed To Deliver Incredible Grip From Any Angle

Armor Tek3 Construction For Added Tire Durability

Tough Sidewall For Off-road Durability

The Most Extreme All-season, Off-road Tire Cooper Offers To Date

Independent Tread Blocks Create Biting Edges For Traction In Wet Or Snowy

Why Compare?

Both tires are known for their durability, but there are some key differences between them that you will need to know about. The BF Goodrich KM3 is an excellent option if your vehicle sees mostly on-road action while off-roading may be infrequent. This tire has excellent dry traction and handles well in wet conditions as well. The Cooper STT Pro has a unique tread design that offers more grip on gravel surfaces, which is great for off-roading.

Tire Type

Cooper Discoverer Stt Pro is an all-season tire that can handle winter and dry and wet weather conditions. The Cooper Discoverer is also an all-terrain tire. It has a more aggressive tread pattern than other tires on the market, making them great for off-roading in some cases if needed.

The BFGoodrich Mud-Terrain T/A KM3 off-road tire is made for mud and rock. You can use it to get to hard places. It can handle tough conditions and deliver industry-leading traction.

Tire Size

The BFGoodrich T/A KM3 tire comes in 66 sizes with rim sizes from 14 to 20 inches except for 19 inches. The Cooper Discoverer STT Pro tires come in 48 different sizes ranging from 16 inches to 22 inches, except 19 & 21 inches. You can see that both of these tires are well-matched in the tire size category. Also, you can check your car manual to find the perfect size for your car. Also, remember that every wheel has a different tire size.

Warranty Mileage

Warranty Mileage is the number of miles that you are guaranteed to get before your tire provides poor performance. All The BF Goodrich tires come with Standard Limited Warranty. The Standard Manufacturer’s Limited Warranty covers manufacturing defects in workmanship and materials for the life of the original usable tread, or 6 years from the date of purchase, whichever comes first.

The Discoverer STT Pro is not protected by a Treadwear Protection Warranty. It comes with a Standard Limited Warranty. Cooper Tire offers a 45-Day Test Drive to test out your new tires.

Tire Pressure

The amount of air in your car’s tires is referred to as tire pressure. The Cooper Discoverer STT Pro tires have maximum tire inflation of 35 to 80 psi. In contrast, the BFGoodrich Mud-Terrain T/A KM3 tires have maximum tire inflation of 45 to 80 psi.

Load Capacity

The load index indicates how much weight your tire can support. The higher the number, the more weight it can carry. The Cooper Discoverer STT Pro is available in 16 distinct tire sizes, with a maximum load capacity of 1984 pounds to 4079 pounds.

The load capacity of the tire you’re using will also determine this. BFGoodrich Mud-Terrain T/A KM3 tires come in 55 different sizes. These tires can handle up to 1764 pounds of weight or up to 4079 pounds, depending on your size.

Tread Depth

Tire tread depth is how far you can go down before reaching the tire’s wear bars. The deeper your tire’s grooves, the more traction it will provide on wet roads and light off-roading.

The BFGoodrich Mud-Terrain T/A KM3 has a maximum of 18/32nds inches deep. The Cooper Discoverer STT Pro has a maximum of 18/32nds inch to 21/32nds inch depending on the size you are using, so they have deeper grooves than the BFGoodrich Mud-Terrain T/A KM3 tires.

Suitable For

Cooper STT Pro Suitable for the drivers of pickup trucks, Jeeps, and SUVs. While the BFGoodrich Mud-Terrain T/A KM3 tires are suitable for Light Truck, SUVs, or CUVs. So, if you own a big SUV or truck with heavy load capacity, the Cooper Discoverer STT Pro tires would be recommended as they come in more varieties compared to the BFGoodrich Mud-Terrain T/A KM3.

Our Observation

The Cooper Discoverer STT Pro tires offer more grip on gravel surfaces and are great for off-roading while the BFGoodrich Mud-Terrain T/A KM3 is better suited for deeper mud and light off-roading. If you have a big SUV or truck, the Cooper Discoverer STT Pro tires would be the better choice as they come in more sizes to accommodate your needs.


The BFGoodrich Mud-Terrain T/A KM3 and Cooper Discoverer STT Pro have similar features that make them an excellent choice for off-road driving. No matter which one you choose, you will get a tire with outstanding performance in wet conditions and all-weather handling capabilities. In shorts, both of these tires are great for off-road driving. They have a lot of similar features that make them both excellent choices.

Frequently Asked Questions (FAQ)

How long do KM3 tires last on-road?
Typically, KM3 tires can last anywhere from 40,000 to 60,000 miles on-road. Of course, this will depend on a number of factors, including driving habits and conditions. But, if you take care of your tires and drive responsibly, you can expect them to last for quite a while. So, if you’re looking for a tire that will give you long-lasting performance, the KM3 is a great option.

If you’re looking for a set of tires that will make your car stand out, then you’ll definitely want to check out Cooper STT Pro tires. These tires are known for their aggressive tread pattern and loud noise level, which is sure to turn heads when you’re driving. However, some people may find the noise level to be too much, so it’s important to keep that in mind before making your purchase. Overall, Cooper STT Pro tires are a great choice if you’re looking for something different and want to make sure your car stands out from the rest.
KM3 stands for “Kilometer Mark 3.” This is a popular brand of tires that is known for its high quality and durability. These tires are often used on trucks and other heavy-duty vehicles.


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