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.
Prices change daily — check the retailer for your size.
TireWheelGuide may earn a commission from purchases made via links on this page.
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Professional tests (TWG score) | – | 68 |
| Tire Rack owners | 84 | 87 |
| Tyre Reviews owners | 92 | 95 |
| SimpleTire owners | 98 | 97 |
| America's Tire owners | 95 | 94 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Professional tests (TWG score) | – | 90 |
| Tire Rack owners | 89 | 92 |
| Tyre Reviews owners | 77 | 75 |
| SimpleTire owners | 96 | 91 |
| America's Tire owners | 89 | 90 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Professional tests (TWG score) | – | 15 |
| Tire Rack owners | 87 | 88 |
| Tyre Reviews owners | 70 | 80 |
| SimpleTire owners | 90 | 90 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Professional tests (TWG score) | – | 50 |
| Tire Rack owners | 86 | 84 |
| Tyre Reviews owners | 70 | 85 |
| SimpleTire owners | 92 | 90 |
| America's Tire owners | 86 | 84 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| SimpleTire owners | 86 | 87 |
| America's Tire owners | 81 | 80 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Tire Rack owners | 74 | 80 |
| Tyre Reviews owners | 87 | 95 |
| SimpleTire owners | 90 | 88 |
| America's Tire owners | 87 | 86 |
| Source | Discoverer S/T Maxx | Grabber X3 |
|---|---|---|
| Tyre Reviews owners | 78 | 90 |
| America's Tire owners | 85 | 85 |
| DriverReviews owners | – | 86 |
| Category | Cooper Discoverer S/T Maxx | General Grabber X3 |
|---|---|---|
| Relative Score | 88 | 78 |
| Dry | 95 | 79 |
| Wet | 90 | 90 |
| Snow | 87 | 45 |
| Comfort | 87 | 65 |
| Noise | 82 | 82 |
| Treadwear | 87 | 87 |
| Handling | 84 | 85 |
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.
Tire A
Tire B
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
Not enough owner reviews yet to extract themes.
The General Grabber X3 is widely regarded as a high-performance mud-terrain tire that balances aggressive off-road capability with surprising on-road refinement. While most users praise its exceptional traction in mud, snow, and rocky terrain, a subset of owners reports issues with highway stability, specifically noting a 'squirrely' or disconnected feeling at higher speeds.
| Attribute | A · Cooper Discoverer S/T Maxx | B · General Grabber X3 |
|---|---|---|
| Category | — | All Season All Terrain and Off Road tires |
| Vehicle type | — | SUV and 4x4 |
| Sizes available | 30 | 6 |
| Rim diameters | 16″ – 20″ | 16″ – 18″ |
| Tread depth | 19/32″ | 18 - 21/32″ |
| UTQG | — | AA A |
| Sidewall | Black Side Wall - Raised Outline White Lettering | Black Side Wall - Serrated Raised Lettering |
| Max pressure | 35 - 80 psi | 35 - 80 psi |
Cooper
General
Winner: Cooper Discoverer S/T Maxx — better snow, comfort and dry. It leads or ties in every category we score.
Cooper Discoverer S/T Maxx scores 87 vs 45 on snow.
Cooper Discoverer S/T Maxx scores 87 vs 65 on comfort.
Cooper Discoverer S/T Maxx scores 95 vs 79 on dry.
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.
