75
/ 100
Objective (60%)
73/100
2 professional tests
User signal (40%)
73/100
38 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
BFGoodrich All Terrain TA KO2 vs Michelin 4x4 Diamaris — 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%)
–/100
No test data yet
User signal (40%)
80/100
6 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Michelin 4x4 Diamaris — better handling, wet and comfort. Pick the BFGoodrich All Terrain TA KO2 if treadwear 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)
4x4 Diamaris leads by 7
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 81 | – |
| Tire Rack owners | 88 | 86 |
| Tyre Reviews owners | 82 | 90 |
Wet
Score (0–100)
4x4 Diamaris leads by 14
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 68 | – |
| Tire Rack owners | 90 | 76 |
| Tyre Reviews owners | 66 | 82 |
Snow
Score (0–100)
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 80 | – |
| Tire Rack owners | 92 | – |
| Tyre Reviews owners | 81 | – |
Comfort
Score (0–100)
4x4 Diamaris leads by 10
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Tire Rack owners | 87 | 73 |
| Tyre Reviews owners | 72 | 83 |
Noise
Score (0–100)
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 100 | – |
Treadwear
Score (0–100)
All Terrain TA KO2 leads by 14
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Tire Rack owners | 85 | 59 |
| Tyre Reviews owners | 84 | 72 |
Handling
Score (0–100)
4x4 Diamaris leads by 15
Why this score
| Source | All Terrain TA KO2 | 4x4 Diamaris |
|---|---|---|
| Tyre Reviews owners | 72 | 87 |
Scores at a glance
| Category | BFGoodrich All Terrain TA KO2 | Michelin 4x4 Diamaris |
|---|---|---|
| Relative Score | 75 | 80 |
| Dry | 82 | 89 |
| Wet | 67 | 81 |
| Snow | 81 | – |
| Comfort | 72 | 82 |
| Noise | 100 | – |
| Treadwear | 84 | 70 |
| Handling | 72 | 87 |
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
75
/ 100
Tire A
80
/ 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 All-Terrain T/A KO2 is widely regarded as a benchmark for off-road durability and rugged versatility, excelling in gravel, sand, and rocky terrain. While users praise its longevity and aggressive aesthetic, there is a consistent consensus regarding its declining performance in wet conditions and increased road noise as the rubber compound hardens over time.
Pros
- Exceptional off-road durability and puncture resistance
- Strong traction in gravel, sand, and rocky terrain
- Long tread life and high mileage capability
- Aggressive, iconic visual appeal
Cons
- Significant loss of wet-weather grip and braking performance
- Increased road noise and harsh ride quality as the tire ages
- Rubber compound tends to harden, negatively impacting cold-weather and wet-surface traction
- Poor performance on ice and hard-packed snow
Observations
- Users with lighter vehicles or vans (e.g., Sprinter) report varying experiences with noise and comfort, often noting that the tire's weight impacts ride quality.
- Owners of heavy-duty 4x4s and trucks frequently highlight the tire's ability to handle high-speed gravel and heavy loads without structural failure.
The Michelin 4x4 Diamaris receives a polarized reception, with users praising its high-performance handling and comfort while expressing significant frustration regarding its longevity. While some owners of performance-oriented SUVs appreciate its precision and ride quality, others find the tread life insufficient compared to competing premium brands.
Pros
- Exceptional handling precision and steering response
- High levels of ride comfort and low road noise
- Strong performance on dry pavement
Cons
- Rapid tread wear and disappointing overall mileage
- High price point relative to the lifespan of the tire
- Inconsistent wet weather grip and confidence
Observations
- Owners of high-performance SUVs like the BMW X5 report mixed experiences, with some achieving respectable mileage on 20-inch rims while others report premature wear.
- The tire is noted as being unsuitable for snow or winter conditions despite its M&S rating.
Specifications
Specs side by side
| Attribute | A · BFGoodrich All Terrain TA KO2 | B · Michelin 4x4 Diamaris |
|---|---|---|
| Category | All Season All Terrain and Off Road tires | Summer High Performance tires |
| Vehicle type | — | SUV and 4x4 |
| Sizes available | 16 | — |
| Rim diameters | 16″ – 20″ | — |
| Tread depth | 13 - 15/32″ | — |
| Treadwear warranty | 50,000 mi | — |
| Sidewall | Black Side Wall - Raised White Lettering | — |
| Max pressure | 35 - 80 psi | — |
Final verdict
Which one should you actually buy?
75
/ 100
BFGoodrich
80
/ 100
Michelin
Winner: Michelin 4x4 Diamaris — better handling, wet and comfort. Pick the BFGoodrich All Terrain TA KO2 if treadwear matters most to you.
Pick tire B
You enjoy sharp, responsive handling
Michelin 4x4 Diamaris scores 87 vs 72 on handling.
Pick tire A
You want the longest tread life
BFGoodrich All Terrain TA KO2 scores 84 vs 70 on treadwear.
Pick tire B
Your priority is wet-weather safety
Michelin 4x4 Diamaris scores 81 vs 67 on wet.
Pick tire B
You want the most comfortable ride
Michelin 4x4 Diamaris scores 82 vs 72 on comfort.
Tire A · BFGoodrich All Terrain TA KO2
Tire B · Michelin 4x4 Diamaris
More comparisons
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BFGoodrich All Terrain TA KO2 also compared with
Michelin 4x4 Diamaris 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.