Relative Score (0–100): 60% professional tests, 40% owner reviews.
Discoverer AT3 4S leads, 76–74 Narrow edge
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Tests – · 1 test Owners 81 · 688 reviews
“New tires: Cooper Discoverer AT3 4S Needed a 3PMSF tire and these Coopers edged out the Wildpeak AT3Ws based on wear rating and highway performance. Also, Cooper has a promo right now for a $70 mail in rebate. MPG has been about the same, maybe slightly better. Visually, I like them, more rugged than the stock Falkens. Highway and forest road driving has been solid. Stock size, 215/65R17, on a 2020 TH: Read more”
Tests – · none yet Owners 77 · 251 reviews
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 84 | 83 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 86 | 82 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 73 | 72 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 83 | 75 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 81 | 78 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Professional tests (TWG score) | 71 | – |
| Reviews found online | 77 | 74 |
| Source | Discoverer AT3 4S | Discoverer AT3 LT |
|---|---|---|
| Reviews found online | 77 | 70 |
| Category | Cooper Discoverer AT3 4S | Cooper Discoverer AT3 LT |
|---|---|---|
| Relative Score | 76 | 74 |
| Dry | 78 | 77 |
| Wet | 82 | 79 |
| Snow | 72 | 71 |
| Comfort | 76 | 72 |
| Noise | 72 | 71 |
| Treadwear | 73 | 71 |
| Handling | 77 | 70 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Discoverer AT3 4S
Discoverer AT3 LT
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
From Reddit, forums and review threads. Not part of our score
The Cooper Discoverer AT3 4S is widely praised by the community for its quiet and comfortable highway ride, excellent wet and snow traction, and solid fuel efficiency. Drivers appreciate its balance of rugged aesthetics and daily drivability, though recent discussions highlight growing concerns over reported product discontinuations and sizing shortages.
“Cooper Discoverer AT3 4s I am struggling to find Cooper Discoverer AT3 4s tyres with size 265/70/17. There seemed to be an acute shortage in the market. I am not keen on BF Goodrich due to the weight and price. I shall appreciate it if anyone with reliable leads for Cooper tyres. What else do you recommend if Cooper is just not realistically available? I can wait till March before I need to get my car tested for renewal of registration. TIA.”
“New tire day. Cooper Discoverer AT3 4S. So far so good. They ride great and they’re really quiet.”
“New tires 👌 cooper discoverer at3 4s 215/70/16”
Based on 15 community posts
We haven't collected enough community discussion about this tire yet.
| Attribute | A · Cooper Discoverer AT3 4S | B · Cooper Discoverer AT3 LT |
|---|---|---|
| Category | All Season | Premium Touring All Season tire |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 14 | 14 |
| Rim diameters | 15″ – 22″ | 16″ – 18″ |
| Tread depth | 12 - 14/32″ | 16 - 17/32″ |
| UTQG | 620 A B | — |
| Treadwear warranty | 65,000 mi | 60,000 mi |
| Sidewall | Black Side Wall - Raised Outline White Lettering | Black Side Wall - Raised Outline White Lettering |
| Max pressure | 44 - 50 psi | 50 - 80 psi |
Cooper Discoverer AT3 4S
Cooper Discoverer AT3 LT
Winner: Cooper Discoverer AT3 4S — better handling, comfort and wet. It leads or ties in every category we score.
Cooper Discoverer AT3 4S scores 77 vs 70 on handling.
Cooper Discoverer AT3 4S scores 76 vs 72 on comfort.
Cooper Discoverer AT3 4S scores 82 vs 79 on wet.
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Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Community buzz from Reddit and forums is shown for context only — it never changes the score.
