93
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
94/100
478 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Cooper Discoverer AT3 XLT vs Cooper WeatherMaster SA2+ — 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
80
/ 100
Objective (60%)
71/100
4 professional tests
User signal (40%)
85/100
36 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Cooper Discoverer AT3 XLT — better snow, noise and dry. It leads or ties in every category we score.
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 AT3 XLT leads by 18
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Professional tests (TWG score) | – | 73 |
| Tire Rack owners | 89 | – |
| Tyre Reviews owners | 83 | 74 |
| SimpleTire owners | 98 | – |
| America's Tire owners | 97 | – |
Wet
Score (0–100)
Discoverer AT3 XLT leads by 13
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Professional tests (TWG score) | – | 75 |
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 78 | 80 |
| SimpleTire owners | 97 | – |
| America's Tire owners | 94 | – |
Snow
Score (0–100)
Discoverer AT3 XLT leads by 23
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Professional tests (TWG score) | – | 55 |
| Tire Rack owners | 92 | – |
| Tyre Reviews owners | 70 | 83 |
| SimpleTire owners | 90 | – |
Comfort
Score (0–100)
Discoverer AT3 XLT leads by 7
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Tire Rack owners | 83 | – |
| Tyre Reviews owners | 88 | 82 |
| SimpleTire owners | 96 | – |
| America's Tire owners | 93 | – |
Noise
Score (0–100)
Discoverer AT3 XLT leads by 22
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Professional tests (TWG score) | – | 63 |
| SimpleTire owners | 92 | – |
| America's Tire owners | 93 | – |
Treadwear
Score (0–100)
Discoverer AT3 XLT leads by 7
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Tire Rack owners | 87 | – |
| Tyre Reviews owners | 78 | 80 |
| SimpleTire owners | 91 | – |
| America's Tire owners | 93 | – |
Handling
Score (0–100)
Discoverer AT3 XLT leads by 11
Why this score
| Source | Discoverer AT3 XLT | WeatherMaster SA2+ |
|---|---|---|
| Tyre Reviews owners | 83 | 56 |
| America's Tire owners | 94 | – |
Scores at a glance
| Category | Cooper Discoverer AT3 XLT | Cooper WeatherMaster SA2+ |
|---|---|---|
| Relative Score | 93 | 80 |
| Dry | 97 | 79 |
| Wet | 94 | 81 |
| Snow | 89 | 66 |
| Comfort | 93 | 86 |
| Noise | 93 | 71 |
| Treadwear | 93 | 86 |
| Handling | 94 | 83 |
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.
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Recomputed
Headline score
93
/ 100
Tire A
80
/ 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 Cooper Weather Master SA2+ is widely regarded as a high-value winter tire that excels in snow and slush, offering impressive traction at a competitive price point. While most users praise its winter capabilities and comfort, some report concerns regarding handling feedback and noise levels, particularly after extended use or rotation.
Pros
- Excellent traction in deep snow and slush
- High value-for-money proposition compared to premium brands
- Comfortable and smooth ride quality
- Reliable performance on icy surfaces, especially when studded
Cons
- Increased road noise reported by some users
- Vague steering feedback and handling characteristics
- Potential for vibration or balancing issues
- Inconsistent performance in extreme ice conditions compared to dedicated Nordic-compound tires
Observations
- Users noted that the tire's performance and construction can vary significantly based on manufacturing origin, with 13-16 inch sizes and 17+ inch sizes utilizing different compounds and designs.
- Drivers of performance-oriented vehicles (e.g., Mustang) reported that switching to a narrower tire profile significantly improved winter safety and confidence.
Community buzz
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Positive
Cooper Discoverer AT3 XLT
Community members express strong satisfaction with the Cooper Discoverer AT3 XLT, highlighting its smooth ride quality, impressive comfort, and quietness compared to competing all-terrain tires like BFG KO2 and Toyo Open Country A/T II. Users also appreciate the solid value when purchased through online retailers during holiday sales, though questions occasionally arise regarding specific winter rating designations.
r/f150
·51 upvotes ·2021-12-30
“New shoes this week, Cooper Discoverer At3 XLT. I’m really impressed so far.”
r/NissanTitan
·29 upvotes ·2023-03-29
“Put some new tires on the XD today. Cooper Discoverer AT3 XLT in 275/70R18. I usually run BFG KO2s on my trucks but wanted to try something different this time.”
r/ram_trucks
·27 upvotes ·2024-07-11
“Cooper Discoverer AT3 XLT Picked up a set of Discoverer AT3 XLT from simple tire. With the 4th of July discounts all 4 were under 1k before taxes. I had the AT3 4S on a previous ram and they held up so I’m expecting good things here.”
r/ram_trucks
·22 upvotes ·2021-11-19
“New Cooper Discoverer AT3 XLT 275/75R20 these ride way better than my old Open Country A/T II”
Top themes
#ride comfort and smoothness#low road noise#comparison to competing tires#value and pricing#winter and snow rating
Based on 7 community posts
Tire B
Cooper WeatherMaster SA2+
We haven't collected enough community discussion about this tire yet.
Specifications
Specs side by side
| Attribute | A · Cooper Discoverer AT3 XLT | B · Cooper WeatherMaster SA2+ |
|---|---|---|
| Category | Premium Touring All Season tire | Touring Winter tire |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
| Sizes available | 3 | — |
| Rim diameters | 16″ – 20″ | — |
| Tread depth | 16 - 18/32″ | — |
| Treadwear warranty | 60,000 mi | — |
| Sidewall | Black Side Wall - Raised White Lettering | — |
| Max pressure | 35 - 80 psi | — |
Final verdict
Which one should you actually buy?
93
/ 100
Cooper
80
/ 100
Cooper
Winner: Cooper Discoverer AT3 XLT — better snow, noise and dry. It leads or ties in every category we score.
Pick tire A
You drive through snowy winters
Cooper Discoverer AT3 XLT scores 89 vs 66 on snow.
Pick tire A
You want a quieter cabin
Cooper Discoverer AT3 XLT scores 93 vs 71 on noise.
Pick tire A
You want the most grip on dry roads
Cooper Discoverer AT3 XLT scores 97 vs 79 on dry.
Pick tire A
Your priority is wet-weather safety
Cooper Discoverer AT3 XLT scores 94 vs 81 on wet.
Tire A · Cooper Discoverer AT3 XLT
Tire B · Cooper WeatherMaster SA2+
More comparisons
Also compared with
Cooper Discoverer AT3 XLT also compared with
Cooper WeatherMaster SA2+ 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.