All-terrain tire Updated September 2026

Cooper Discoverer AT3 4S review

Relative score from owner reviews only

Owners 81 · 688 reviews analysed

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The Cooper Discoverer A/T3 4S receives overwhelmingly positive feedback from users for its exceptional balance of on-road comfort, low road noise, and reliable all-weather traction. Drivers frequently praise its performance in heavy rain, deep snow, and light off-road conditions, noting that it punches well above its price point compared to competing all-terrain tires.

Community sentiment Positive Read the buzz
#Snow and wet traction#Quiet highway ride#Tread life and longevity#Discontinuation and availability#Comfortable ride quality
Cooper Discoverer AT3 4S

Two scoring systems, side by side

Owner scores come from reviews found online; road-test scores come from instrumented tests. Where they disagree, it is usually a discipline owners rarely push to the limit.

How scores work
Relative score
0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Road tests
0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
Owner reviews
0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.

By owner reviews

81/100

From 688 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 82%
Dry
Overall dry
84.4
Corner stability
76.2
Dry traction
78.2
Steering response
73.4
Wet
Overall wet
85.8
Wet traction
79.1
Snow & ice
Overall snow & ice
73.6
Ice
67.4
Comfort
Overall comfort
82.5
Noise
Overall noise
80.6
Treadwear
Overall treadwear
77
Handling
Overall handling
76.8

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By road tests

Scaled across every tested tire: the average gets 70, the best 100.

Treadwear
70.7

Cooper Discoverer AT3 4S specs & sizes

Prices vary by size, so each one links out separately.

Specifications
Tread depth12 - 14/32″
UTQG620 A B
Treadwear warranty65,000 mi
SidewallBlack Side Wall - Raised Outline White Lettering
Max pressure44 - 50 psi

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What owners like and dislike

Themes extracted from 688 owner reviews found online.

The Cooper Discoverer A/T3 4S receives overwhelmingly positive feedback from users for its exceptional balance of on-road comfort, low road noise, and reliable all-weather traction. Drivers frequently praise its performance in heavy rain, deep snow, and light off-road conditions, noting that it punches well above its price point compared to competing all-terrain tires.

Pros

  • Exceptionally quiet and smooth on-road ride compared to typical all-terrain tires
  • Superb traction in wet, rainy, and deep winter snow conditions
  • Strong value and competitive pricing relative to performance and lifespan
  • Aggressive yet refined aesthetic appeal that enhances the look of trucks and SUVs

Cons

  • Potential for accelerated tread wear under heavy off-road use or demanding mountain driving
  • Occasional reports of balancing issues or out-of-round tires requiring multiple adjustments
  • Minor fuel economy drop or increased rolling resistance when switching from standard highway tires

Worth knowing

  • Users note that choosing the correct load range is critical, as P-rated or SL options deliver a much smoother, compliant ride on light trucks and SUVs compared to stiffer E-rated LT tires.
  • Mid-sized trucks and smaller SUVs (such as Subaru Foresters, Toyota Tacomas, and Jeep Wranglers) particularly benefit from the tire's balance of beefy aesthetics and civilized highway manners.

Reviews from our readers

Drivers who have these tires on their car, in their own words. We check every review before it goes live.

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1 published test appearance

Placement within each field. Open a test for the discipline-by-discipline result.

2022 Consumer Reports All Terrain Truck Tires · 215/60R17

5th of 18
DisciplinePlacementField position
Tested Tread Life (Miles)5th of 18

Source: Consumer Reports

What owners are saying

From Reddit, forums and review threads. Not part of the scores above.

Community sentiment for the Cooper Discoverer AT3 4S is predominantly positive, with drivers praising its quiet highway ride, strong traction across snow, rain, and dry pavement, and appealing appearance. Several owners note that while it handles light off-road duties and daily driving well, tread life occasionally falls short of mileage expectations. In addition, multiple posts highlight frustration and concern regarding availability and recent discontinuation across various sizes.

Sentiment breakdown
Positive70%
Mixed26%
Negative4%
Top themes
#Snow and wet traction#Quiet highway ride#Tread life and longevity#Discontinuation and availability#Comfortable ride quality#Mild off-road performance

From 27 threads and comments.

Cooper Discoverer AT3 4S compared

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Ranked by our Relative score, weighed against how many reviews and tests stand behind it.

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