80
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
79/100
6 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
BFGoodrich Mud-Terrain T/A KM2 vs Cooper Discoverer STT PRO — 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%)
88/100
356 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Cooper Discoverer STT PRO — better wet, dry and handling. 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 STT PRO leads by 9
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tire Rack owners | 83 | 87 |
| Tyre Reviews owners | 87 | 81 |
| SimpleTire owners | 94 | 94 |
| America's Tire owners | – | 96 |
Wet
Score (0–100)
Discoverer STT PRO leads by 26
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tire Rack owners | 92 | 93 |
| Tyre Reviews owners | 60 | 71 |
| SimpleTire owners | 91 | 91 |
| America's Tire owners | – | 91 |
Snow
Score (0–100)
Discoverer STT PRO leads by 1
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tire Rack owners | 87 | 90 |
| Tyre Reviews owners | – | 63 |
| SimpleTire owners | 88 | 91 |
Comfort
Score (0–100)
Discoverer STT PRO leads by 4
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tire Rack owners | 80 | 81 |
| Tyre Reviews owners | 85 | 66 |
| SimpleTire owners | 92 | 89 |
| America's Tire owners | – | 88 |
Noise
Score (0–100)
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| SimpleTire owners | 78 | 79 |
| America's Tire owners | – | 78 |
Treadwear
Score (0–100)
Discoverer STT PRO leads by 1
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tire Rack owners | 78 | 75 |
| Tyre Reviews owners | 86 | 90 |
| SimpleTire owners | 88 | 84 |
| America's Tire owners | – | 87 |
Handling
Score (0–100)
Discoverer STT PRO leads by 7
Why this score
| Source | Mud-Terrain T/A KM2 | Discoverer STT PRO |
|---|---|---|
| Tyre Reviews owners | 82 | 70 |
| America's Tire owners | – | 90 |
Scores at a glance
| Category | BFGoodrich Mud-Terrain T/A KM2 | Cooper Discoverer STT PRO |
|---|---|---|
| Relative Score | 80 | 89 |
| Dry | 86 | 95 |
| Wet | 65 | 91 |
| Snow | 87 | 88 |
| Comfort | 84 | 88 |
| Noise | – | 78 |
| Treadwear | 85 | 86 |
| Handling | 82 | 89 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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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.
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Recomputed
Headline score
80
/ 100
Tire A
89
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The BFGoodrich Mud Terrain TA KM2 is widely regarded as a highly durable and capable off-road tire that maintains surprising on-road composure for its aggressive tread pattern. While users consistently praise its longevity and exceptional traction in mud and snow, performance in wet tarmac conditions remains a significant point of contention.
Pros
- Exceptional off-road traction in mud and snow
- Impressive tread life and overall durability
- Surprisingly low road noise for a mud-terrain tire
- Reliable performance under heavy towing and payload conditions
Cons
- Poor wet weather handling and traction on tarmac
- Tendency to develop increased road noise as the tread wears
- Susceptibility to oversteer on twisty, wet roads
Observations
- Heavy-duty utility vehicles like the Land Rover Defender reported excellent longevity, with some users achieving nearly 90,000 miles.
- Users noted that the tire's performance remains consistent even when subjected to heavy towing loads of up to 3 tons.
Not enough owner reviews yet to extract themes.
Specifications
Specs side by side
| Attribute | A · BFGoodrich Mud-Terrain T/A KM2 | B · Cooper Discoverer STT PRO |
|---|---|---|
| Category | All Terrain and Off Road All Season tire | All Season All Terrain and Off Road tires |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 1 | 23 |
| Rim diameters | 17″ | 16″ – 20″ |
| Tread depth | 17 - 20/32″ | 18 - 22/32″ |
| Sidewall | Black Side Wall - Raised White Lettering | Black Side Wall - Raised White Lettering |
| Max pressure | 50 - 65 psi | 35 - 80 psi |
Final verdict
Which one should you actually buy?
80
/ 100
BFGoodrich
89
/ 100
Cooper
Winner: Cooper Discoverer STT PRO — better wet, dry and handling. It leads or ties in every category we score.
Pick tire B
Your priority is wet-weather safety
Cooper Discoverer STT PRO scores 91 vs 65 on wet.
Pick tire B
You want the most grip on dry roads
Cooper Discoverer STT PRO scores 95 vs 86 on dry.
Pick tire B
You enjoy sharp, responsive handling
Cooper Discoverer STT PRO scores 89 vs 82 on handling.
Pick tire B
You want the most comfortable ride
Cooper Discoverer STT PRO scores 88 vs 84 on comfort.
Tire A · BFGoodrich Mud-Terrain T/A KM2
Tire B · Cooper Discoverer STT PRO
More comparisons
Also compared with
BFGoodrich Mud-Terrain T/A KM2 also compared with
Cooper Discoverer STT PRO 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.