Cooper Discoverer STT Pro All-Season LT275/65R18 123Q Tire Fits: 2019-23 Chevrolet Silverado 1500 LT Trail Boss, 2019-21 GMC Sierra 1500 AT4
Cooper Discoverer STT Pro All-Season LT275/65R18 123Q Tire Fits: 2019-23 Chevrolet Silverado 1500 LT Trail Boss, 2019-21 GMC Sierra 1500 AT4
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Cooper Discoverer STT Pro All-Season LT275/65R18 123Q Tire Fits: 2019-23 Chevrolet Silverado 1500 LT Trail Boss, 2019-21 GMC Sierra 1500 AT4

4.5 stars out of 626 reviews
(4.5)|
626 ratings
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Key item features

  • Extreme Off-Roading: This Cooper Discoverer STT Pro tire is the most extreme all-season, off-road tire offered, providing remarkable off-road performance without sacrificing on-road traction.
  • Durable Construction: Features Armor Tek3 construction and patented Armor Tek3 tire technology for added sidewall strength and increased resistance to damage from tough terrain.
  • Aggressive Sidewall: The ROCK CLIMBER SIDEWALL incorporates deep Climber Cleats and Flex Grooves to grip jagged rocks and power through thick mud for maximum traction.
  • Mud Clearing: MUD SLINGERS 2.0 are deep, wide trenches with additional notches throughout the tread for enhanced grip and continuous clearing of thick mud.
  • Terrain Digging: EARTH DIGGERS utilize large blocks with alternating mud scoops to forcefully dig into loose dirt, sand, or sticky mud.
  • Stone Protection: STONE ARMOR TECHNOLOGY provides ultimate durability with channels, ridges, and edges designed to defend against sharp rocks and debris while expelling lodged stones.
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Current price is $354.99
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4.5 out of 5 stars
stars626 ratings576 reviews
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Pros
  • : Handles various mud conditions with good traction and control.
  • : Provides reliable traction on various surfaces.
  • : Handles well in loose terrain conditions.
  • : Handles various terrain types effectively.
Neutral
  • : Can be quiet, but also produces some noise in certain conditions.
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Showing 1-3 of 576 reviews

Jan 12, 2025
Michael
Sold byUnited Tires
5 out of 5 stars review

Verified Purchase

Great customer service. Tire Company shipped on time. Delivery service was horrible. Received 3 tires within 4 days. Last tire showed up 3 days after first 3. The tire shop was excellent but fed ex delivery didn't deliver all 4 tires at the same time.

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Aug 6, 2021
Brenda
5 out of 5 stars review

Verified Purchase

Best off road tire!!!

These are excellent off-road and dry road tires, not so much in the snow unless it's deep and you're aired down, as with any MT tire. This is my 2nd set, do not get stuck, they love the mud, dirt, and rocks, dry rocky creek beds, hills, they really shine!! Quiet for MT tire, and the drone at highway speeds is not as bad as you would think about 1/2 of other MT tires. The sidewall is really strong I go through shrubs, trees, bushes completely off road that is anywhere from 1-6 feet tall never a puncture. My last set did not chunk off either couple scraps from rocks, but not deep all surface area and never a chunk missing like others. I abuse these things and they are great. Tread is 2 ply steel, 1 nylon, and 3 ply polyester, the sidewall is 3 ply polyester. Great tire!!!

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Jan 29, 2021
David
5 out of 5 stars review

Verified Purchase

Best tires ive ever bought

Had these on for about 500 miles or so. Had more road noise than I was expecting after reading reviews but I like the low whirling noise as a matter of fact I have 2 special needs girls and 1 especially doesn't do well on car rides. After putting these tires on she hasn't had any issues. I think the noise is calming to her. These have amazing grip on road and off. My driveway is at a 45 degree angle as well as my front yard. Also my yard holds water and stays muddy. I drove up my yard to the road with no slippage whatsoever. Before when taking curves you would hear the tires squeal with other tires but with these you can take the corners as hard as you want and they stay planted. So far without a doubt the best tires ive ever bought.

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