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Cooper
Rims not included with purchase of tires

Cooper Discoverer S/T Maxx

All Terrain Light Truck tire

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Starting at $264.99

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Best price guaranteeWe'll match it
  • SimpleScore™

    Our proprietary rating system
    for the modern tire buyer.

    8.4

    Great

    Score breakdown:

    8.3

    Long lasting

    Great

    8.6

    Handling

    Great

    8.6

    Traction

    Great

Professional tire installation near you.

The SimpleTire promise

33 Reviews

33 on SimpleTire
Write a review

4.6

overall rating

91%

Would you buy again?

Review breakdown

  • 13 out of 100
  • 18 out of 100
  • 2 out of 100
  • 0 out of 100
  • 0 out of 100

Review summary

AI-generated from verified customer reviews.
The Cooper Discoverer S/T Maxx tires receive generally positive reviews for their performance in various terrains and conditions.
The Cooper Discoverer S/T Maxx tires are well-regarded for their versatility and performance across various terrains. They excel in off-road conditions while providing acceptable on-road performance. While some users report issues with tread life and noise, the majority praise their durability and traction. These tires are particularly suited for truck and SUV owners who frequently encounter challenging road conditions.

Scorecard

Dry

4.8

Wet

4.8

Winter

4.5

Comfort

4.6

Noise

4.3

Treadwear

4.5

33 SimpleTire reviews

Jason H
4.5
Verified Customer
Dec 2, 2021

I've had these tires for about 50,000 miles and now it's finally time to replace them. Probably rotated them three times.

Weldon
4.5
Toyota FJ Cruiser 2007 Base
Verified Customer
Oct 21, 2020

Can't say enough good things about these tires. Had the last set on my FJ Cruiser for a bit over 80,000 miles and only ever had three flats (2 from bad valve stems). If you can except the fact that these are harder, noisier tires, they will not disappoint you.

Jason
4.5
Verified Customer
Sep 21, 2020

Good tires i would recomend anyone to try them customer service with simple tire is also great

Evan
4.5
Verified Customer
Sep 6, 2020

These tires are great bought them used Ish and they have lasted a long time through winter they had very good traction in the snow very good traction in mud handle great on dirt roads quite a bit of road noise but doesn't bother me that much they are just getting to be ready to be replaced there bald now but they have last at least 50k and I bought them used also Ever sense they got put on that was the only time they've been balanced very good tire overall

Garry
4.5
Verified Customer
Sep 1, 2020

These are the best tires I've had on my 17 Ram 2500 45,000 miles out of them. I like them so much I'm on my second set. I've tried some other tires and they did not last. SoðŸ' To these tires.

Scott
4.5
Verified Customer
Aug 26, 2020

Only had them short time but like them lots!

Dave
4.5
Verified Customer
Aug 16, 2020

Excellent tire so far. I have had them on a '96 landcruiser for the past year and a half. Tires have spent most of the time in the southern california heat and sun with no visible weathering or cracking. I've put nearly 60k miles on these, and I'd say I have another 30-40k left before I'd consider replacing them. Am simply amazed at how well these are holding up. They do great in dry and wet weather. Have had good success in snow, although on straight ice they can get a bit squirrely, as there isnt a whole lot of siping. On sand they arent great at higher pressure (few are) but once you drop the pressure down, and I mean way down (sidewalls are stiff) they perform great. Magic psi is around 13 for sand. I routinely run them at 40psi on the street. Leads to a slightly stiffer ride, but the longevity you get from the tire due to the added pressure is far and above worth it. I WILL be buying a set of these again!

Joseph
4.5
Verified Customer
Aug 14, 2020

The best tires I've ever owned so far.

Nick
4.5
Verified Customer
Aug 12, 2020

This is my second set of st maxx's that I've had on my Tacoma and I don't think I could ever run anything else. I had a 33 before with 40k miles on them and only changed because I wanted 35s. The fact that it's an "all terrain" so it keeps the sipes for wet traction and doesn't eject the snow for snow on snow traction in the winter makes this one of the best tires in my opinion. Durable as hell I take these on tough tracks from blacks at rausch creek offroad park and harsh class 4s in VT that would slice through any other tire, the Kevlar reinforcement is tough! That being said they are a heavy tire, the 33 was a load range e but the 35s are d so it hasn't really changed drastically going up in size for me. Road noise doesn't start bad but you'll really start it to hear it once they break in, nothing awful but having a conversation on the highway with the radio down and you'll know it's there. Expect amazing traction on and offroad in all conditions from rock crawling, snow, rain, just maybe not mud. For that you'll want the lockers on and to floor it. Just expect that mpg to tank as a sacrifice for the traction.

Kevin
5
Verified Customer
Aug 4, 2020

Exception tire, will definitely purchase again when needed, and recommend to others.

See all customer reviews

Get technical:

An all season tire that's designed for use on commercial light trucks and high powered torque vehicles, the Discoverer S/T Maxx offers drivers on road stability and performance along with off road capabilities.



Features & Benefits

  • All-season tread
  • Outlined White Letter or Black sidewall depending on the tire's size
  • Features a cut and chip resistant tread compound for added off-road durability
  • Can be pinned with studs to enhance traction in severe winter weather conditions

In most cases, commercial drivers need a tire that can perform off road as they navigate to the highway. Fortunately, Coopers Tires designed the Discoverer S/T Maxx with these drivers in mind, as its cut and chip resistant tread compound provides drivers with added defense for off road applications. Stone ejector ribs force stones and other debris out of the tread for consistent traction, and the Discoverer S/T Maxx also features groove walls for added stone ejection. Built with an Armor Tek3 construction to improve durability, the Discoverer S/T Maxx also offers drivers a quiet ride and longer tread life thanks to its hybrid 4-5 rib design.

Cooper
Category
All Terrain
Mileage Warranty
N/A
Load Index
2679 lbs/2469 lbs (115/112)
Max Speed
100 MPH (Q)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
18.5/32nds
Inflation Pressure
80 PSI
Part Number
90000019943
Tread Design
Symmetrical
Tire Weight
45 lbs
Section Width
8.4"
Rim Range
5.5-7.0"
Overall Diameter
30.31"
Studdable
TSMI #15
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Cooper

Discoverer S/T Maxx ∙ 32 sizes available