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Cooper Discoverer AT3 LT vs Pirelli Scorpion All Terrain Plus — Compared (May 2026)
Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
Prices change daily — check the retailer for your size.
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7 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tire Rack owners | – | 88 |
| Tyre Reviews owners | 85 | – |
| SimpleTire owners | 100 | 95 |
| America's Tire owners | 97 | – |
Wet
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tire Rack owners | – | 87 |
| Tyre Reviews owners | 85 | – |
| SimpleTire owners | 95 | 95 |
| America's Tire owners | 94 | – |
Snow
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tire Rack owners | – | 91 |
| Tyre Reviews owners | 90 | – |
| SimpleTire owners | 93 | 94 |
Comfort
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tire Rack owners | – | 82 |
| Tyre Reviews owners | 75 | – |
| SimpleTire owners | 95 | 93 |
| America's Tire owners | 94 | – |
Noise
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| SimpleTire owners | 93 | 87 |
| America's Tire owners | 92 | – |
Treadwear
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tire Rack owners | – | 83 |
| Tyre Reviews owners | 40 | – |
| SimpleTire owners | 100 | 92 |
| America's Tire owners | 93 | – |
Handling
Why this score
| Source | Discoverer AT3 LT | Scorpion All Terrain Plus |
|---|---|---|
| Tyre Reviews owners | 45 | – |
| America's Tire owners | 94 | – |
Scores at a glance
| Category | Cooper Discoverer AT3 LT | Pirelli Scorpion All Terrain Plus |
|---|---|---|
| Relative Score | 94 | 90 |
| Dry | 97 | 93 |
| Wet | 95 | 92 |
| Snow | 91 | 88 |
| Comfort | 94 | 88 |
| Noise | 92 | 86 |
| Treadwear | 93 | 91 |
| Handling | 94 | 92 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Specs side by side
| Attribute | A · Cooper Discoverer AT3 LT | B · Pirelli Scorpion All Terrain Plus |
|---|---|---|
| Category | Premium Touring All Season tire | — |
| Vehicle type | SUV and 4x4 | — |
| Sizes available | 9 | 22 |
| Rim diameters | 16″ – 18″ | 16″ – 20″ |
| Tread depth | 16 - 17/32″ | 12 - 16/32″ |
| UTQG | — | 640 A B |
| Treadwear warranty | 60,000 mi | 50,000 mi |
| Sidewall | Black Side Wall - Raised Outline White Lettering | Black Side Wall - Raised White Lettering |
| Max pressure | 50 - 80 psi | 44 - 80 psi |
Which one should you actually buy?
Cooper
Pirelli
Winner: Cooper Discoverer AT3 LT — better comfort, noise and dry. It leads or ties in every category we score.
Cooper Discoverer AT3 LT scores 94 vs 88 on comfort.
Cooper Discoverer AT3 LT scores 92 vs 86 on noise.
Cooper Discoverer AT3 LT scores 97 vs 93 on dry.
Cooper Discoverer AT3 LT scores 95 vs 92 on wet.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.