94
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
95/100
44 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Cooper Discoverer A/T3 Sport vs General Grabber AT3 — Compared (September 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
82
/ 100
Objective (60%)
71/100
3 professional tests
User signal (40%)
91/100
274 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Cooper Discoverer A/T3 Sport — better noise, wet and dry. Pick the General Grabber AT3 if handling matters most to you.
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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 A/T3 Sport leads by 12
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Professional tests (TWG score) | – | 81 |
| Tyre Reviews owners | 95 | 86 |
Wet
Score (0–100)
Discoverer A/T3 Sport leads by 22
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Professional tests (TWG score) | – | 63 |
| Tyre Reviews owners | 85 | 79 |
Snow
Score (0–100)
Discoverer A/T3 Sport leads by 9
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Professional tests (TWG score) | – | 76 |
| Tyre Reviews owners | 75 | 81 |
Comfort
Score (0–100)
Discoverer A/T3 Sport leads by 9
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Tyre Reviews owners | 98 | 86 |
Noise
Score (0–100)
Discoverer A/T3 Sport leads by 28
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Professional tests (TWG score) | – | 52 |
Treadwear
Score (0–100)
Discoverer A/T3 Sport leads by 5
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Tyre Reviews owners | 87 | 89 |
Handling
Score (0–100)
Grabber AT3 leads by 3
Why this score
| Source | Discoverer A/T3 Sport | Grabber AT3 |
|---|---|---|
| Tyre Reviews owners | 87 | 75 |
| DriverReviews owners | – | 84 |
Scores at a glance
| Category | Cooper Discoverer A/T3 Sport | General Grabber AT3 |
|---|---|---|
| Relative Score | 94 | 82 |
| Dry | 99 | 87 |
| Wet | 96 | 74 |
| Snow | 89 | 80 |
| Comfort | 97 | 88 |
| Noise | 94 | 66 |
| Treadwear | 94 | 89 |
| Handling | 87 | 90 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Recomputed
Headline score
94
/ 100
Tire A
82
/ 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/T3 is widely regarded as a high-value, versatile all-terrain tire that excels in snow, wet conditions, and light-to-moderate off-road environments. While most users praise its quiet road manners and impressive traction, a subset of owners report concerns regarding tread life, fuel economy, and the tendency for the tread pattern to retain and eject small rocks.
Pros
- Excellent traction in snow, ice, and wet conditions
- Superior ride comfort and low road noise for an all-terrain tire
- High value-to-performance ratio compared to premium competitors
- Rugged aesthetic with effective rim protection features
Cons
- Noticeable decrease in fuel economy (MPG)
- Tread pattern prone to picking up and throwing small rocks
- Inconsistent tread life reported across different vehicle types
- Initial 'squirmy' handling feel when new or at lower pressures
Observations
- Heavy-duty truck owners (e.g., 2500HD models) generally report good stability and towing performance, though some note faster wear under heavy loads.
- Users of smaller SUVs and crossovers appreciate the quiet ride, but some report significantly shorter tread life on these lighter platforms.
- Proper inflation is critical; several users noted that running lower pressures can cause a 'floating' or unstable sensation, while higher pressures improve handling.
Community buzz
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Cooper Discoverer A/T3 Sport
We haven't collected enough community discussion about this tire yet.
Tire B
Positive
General Grabber AT3
Community opinion on the General Grabber AT3 is largely positive, with users praising its durability on gravel roads, good tread life longevity, and relatively low road noise compared to more aggressive alternatives. Some users noted concerns regarding sidewall or surface cracking and minor tearing after off-road use, but overall satisfaction remains high across various vehicle types from vans to heavy-duty trucks.
r/tires
·8 upvotes ·2026-05-07
“How long have I got? Grabber at3s, plenty of tread but I’m seeing some cracks forming. Are these something I need to be concerned about imminently or am I safe to continue driving for a few more months?”
r/TyreReviews
·3 upvotes ·2026-01-17
“Tyre Tear Switched fulltime about 6 months ago to these General Grabber AT3 (manufacture 2021) that I had as spares and recently noticed this tear on the surface. Not sure if it's from road debris or a bottle, but wondering what it means for the tyre integrity. Done about 7,000 kms in these”
r/4Runner
·2 upvotes ·2021-04-11
“I have ran the cooper at3 and they are great for a mostly highway tire. I just put the grabber a/tx on but don't have many miles on them yet, went with then because they are more aggressive than the at3 but not as heavy and crazy like my previous st maxx. I have no experience with falken. For what you need it if you're tires the AT3s will be good, they are not loud. My new generals have a bit more noise.”
r/tires
·1 upvote ·2026-04-28
“AT3’s I live off of 10 miles of gravel road before I hit pavement , these tires have held up the best so far , 12k on them and are holding up good 👍”
Top themes
#tread life longevity#gravel and off road performance#tire durability and damage#road noise and comfort#load ratings and sizing#value and pricing
Based on 16 community posts
Specifications
Specs side by side
| Attribute | A · Cooper Discoverer A/T3 Sport | B · General Grabber AT3 |
|---|---|---|
| Category | All Terrain and Off Road All Season tire | All Terrain and Off Road All Season tire |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
Final verdict
Which one should you actually buy?
94
/ 100
Cooper
82
/ 100
General
Winner: Cooper Discoverer A/T3 Sport — better noise, wet and dry. Pick the General Grabber AT3 if handling matters most to you.
Pick tire A
You want a quieter cabin
Cooper Discoverer A/T3 Sport scores 94 vs 66 on noise.
Pick tire A
Your priority is wet-weather safety
Cooper Discoverer A/T3 Sport scores 96 vs 74 on wet.
Pick tire A
You want the most grip on dry roads
Cooper Discoverer A/T3 Sport scores 99 vs 87 on dry.
Pick tire A
You drive through snowy winters
Cooper Discoverer A/T3 Sport scores 89 vs 80 on snow.
Tire A · Cooper Discoverer A/T3 Sport
Tire B · General Grabber AT3
More comparisons
Also compared with
Cooper Discoverer A/T3 Sport also compared with
General Grabber AT3 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.