88
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
88/100
356 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Cooper Discoverer STT PRO vs General Grabber M/T — 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.
VS
89
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
89/100
39 owner reviews
Prices change daily — check the retailer for your size.
VerdictToo close to call: Cooper Discoverer STT PRO and General Grabber M/T are within 2 points overall. General Grabber M/T is stronger on noise.
Read full
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Category breakdown
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
Score (0–100)
Discoverer STT PRO leads by 1
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 81 | 80 |
| SimpleTire owners | 94 | – |
| America's Tire owners | 96 | – |
Wet
Score (0–100)
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tire Rack owners | 93 | – |
| Tyre Reviews owners | 71 | 80 |
| SimpleTire owners | 91 | – |
| America's Tire owners | 91 | – |
Snow
Score (0–100)
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tire Rack owners | 90 | – |
| Tyre Reviews owners | 63 | – |
| SimpleTire owners | 91 | – |
Comfort
Score (0–100)
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tire Rack owners | 81 | – |
| Tyre Reviews owners | 66 | 90 |
| SimpleTire owners | 89 | – |
| America's Tire owners | 88 | – |
Noise
Score (0–100)
Grabber M/T leads by 6
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| SimpleTire owners | 79 | – |
| America's Tire owners | 78 | – |
Treadwear
Score (0–100)
Grabber M/T leads by 2
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tire Rack owners | 75 | – |
| Tyre Reviews owners | 90 | 100 |
| SimpleTire owners | 84 | – |
| America's Tire owners | 87 | – |
Handling
Score (0–100)
Grabber M/T leads by 1
Why this score
| Source | Discoverer STT PRO | Grabber M/T |
|---|---|---|
| Tyre Reviews owners | 70 | 90 |
| America's Tire owners | 90 | – |
Scores at a glance
| Category | Cooper Discoverer STT PRO | General Grabber M/T |
|---|---|---|
| Relative Score | 88 | 89 |
| Dry | 95 | 94 |
| Wet | 91 | 91 |
| Snow | 88 | 88 |
| Comfort | 88 | 88 |
| Noise | 78 | 84 |
| Treadwear | 86 | 88 |
| Handling | 89 | 90 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Neutral
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Neutral
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Recomputed
Headline score
88
/ 100
Tire A
89
/ 100
Tire B
From owners
Pros, cons & observations
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 A/T X is widely regarded as a high-value, versatile all-terrain tire that excels in winter conditions and daily driving comfort. While most users praise its aggressive aesthetic and impressive traction on snow and ice, there is a notable divide regarding tread longevity, with some users reporting premature wear while others achieve satisfactory mileage.
Pros
- Exceptional traction in snow, ice, and wet conditions
- Aggressive, rugged aesthetic with effective rim protection
- Surprisingly low road noise for an aggressive all-terrain tread
- High value-to-price ratio compared to premium competitors
- Smooth ride quality and balanced handling
Cons
- Inconsistent tread life reports, with some users experiencing premature wear
- Tendency to pick up and retain small pebbles in the tread
- Occasional reports of difficult warranty claim processes
- Mild road noise noted by some users at specific speed ranges
Observations
- Users with heavy-duty trucks (e.g., GMC Sierra 2500HD, Ford Super Duty) report good load-carrying stability and minimal impact on ride harshness.
- Owners of lifted vehicles (e.g., Silverado Z71 with 2.25-inch lift) noted minor rubbing at full steering lock with larger tire sizes.
- The tire is frequently cited as a superior, more affordable alternative to premium brands like BFGoodrich for both daily commuting and off-road use.
Specifications
Specs side by side
| Attribute | A · Cooper Discoverer STT PRO | B · General Grabber M/T |
|---|---|---|
| Category | All Season All Terrain and Off Road tires | All Season All Terrain and Off Road tires |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 23 | — |
| Rim diameters | 16″ – 20″ | — |
| Tread depth | 18 - 22/32″ | — |
| Sidewall | Black Side Wall - Raised White Lettering | — |
| Max pressure | 35 - 80 psi | — |
Final verdict
Which one should you actually buy?
88
/ 100
Cooper
89
/ 100
General
Too close to call: Cooper Discoverer STT PRO and General Grabber M/T are within 2 points overall. General Grabber M/T is stronger on noise.
Pick tire B
You want a quieter cabin
General Grabber M/T scores 84 vs 78 on noise.
Tire A · Cooper Discoverer STT PRO
Tire B · General Grabber M/T
More comparisons
Also compared with
Cooper Discoverer STT PRO also compared with
General Grabber M/T also compared with
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.