89
/ 100
Objective (60%)
74/100
2 professional tests
User signal (40%)
89/100
32 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Continental TerrainContact A/T 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: Continental TerrainContact A/T — better treadwear, wet and dry. Pick the Michelin 4x4 Diamaris 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)
TerrainContact A/T leads by 8
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 98 | – |
| Tire Rack owners | 90 | 86 |
| Tyre Reviews owners | 91 | 90 |
| SimpleTire owners | 97 | – |
Wet
Score (0–100)
TerrainContact A/T leads by 9
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 86 | – |
| Tire Rack owners | 83 | 76 |
| Tyre Reviews owners | 88 | 82 |
| SimpleTire owners | 98 | – |
Snow
Score (0–100)
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 42 | – |
| Tire Rack owners | 92 | – |
| Tyre Reviews owners | 48 | – |
| SimpleTire owners | 88 | – |
Comfort
Score (0–100)
TerrainContact A/T leads by 8
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 89 | – |
| Tire Rack owners | 78 | 73 |
| Tyre Reviews owners | 81 | 83 |
| SimpleTire owners | 96 | – |
Noise
Score (0–100)
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Professional tests (TWG score) | 1 | – |
| SimpleTire owners | 92 | – |
Treadwear
Score (0–100)
TerrainContact A/T leads by 16
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Tire Rack owners | 89 | 59 |
| Tyre Reviews owners | 76 | 72 |
| SimpleTire owners | 90 | – |
Handling
Score (0–100)
4x4 Diamaris leads by 5
Why this score
| Source | TerrainContact A/T | 4x4 Diamaris |
|---|---|---|
| Tyre Reviews owners | 82 | 87 |
Scores at a glance
| Category | Continental TerrainContact A/T | Michelin 4x4 Diamaris |
|---|---|---|
| Relative Score | 89 | 80 |
| Dry | 97 | 89 |
| Wet | 90 | 81 |
| Snow | 56 | – |
| Comfort | 90 | 82 |
| Noise | 37 | – |
| Treadwear | 86 | 70 |
| Handling | 82 | 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
89
/ 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 Continental TerrainContact A/T is widely regarded as a premium, road-focused all-terrain tire that excels in comfort, low noise levels, and wet-weather performance. While many users report exceptional longevity and highway stability, a subset of owners express disappointment regarding its performance in deep snow, ice, and heavy mud, suggesting it is better suited for light off-road use than extreme conditions.
Pros
- Exceptionally quiet and smooth ride quality for an all-terrain tire
- Superior wet-weather traction and hydroplaning resistance
- Strong on-road handling and stability during highway driving
- High durability and tread life reported by many long-term users
- Excellent value compared to other premium all-terrain competitors
Cons
- Inconsistent performance on ice and packed snow
- Limited capability in deep mud or extreme off-road terrain
- Reports of premature tread wear in some heavy-duty or high-torque applications
- Potential for a slight decrease in fuel economy compared to highway-terrain tires
Observations
- Subaru Forester owners appreciate the tire as a 'set-and-forget' solution to avoid seasonal tire swaps, though they note minor flat-spotting after sitting.
- Heavy-duty truck owners (F-250) report mixed results, with some praising towing stability while others cite faster-than-expected tread wear under heavy loads.
- EV owners (Rivian) report improvements in noise and comfort compared to OEM tires.
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 · Continental TerrainContact A/T | B · Michelin 4x4 Diamaris |
|---|---|---|
| Category | All Season All Terrain and Off Road tires | Summer High Performance tires |
| Vehicle type | SUV and 4x4 | SUV and 4x4 |
| Sizes available | 30 | — |
| Rim diameters | 16″ – 22″ | — |
| Tread depth | 10 - 16/32″ | — |
| UTQG | 680 A A - B | — |
| Treadwear warranty | 60,000 mi | — |
| Sidewall | Black Side Wall - Raised Outline White Lettering | — |
| Max pressure | 44 - 80 psi | — |
Final verdict
Which one should you actually buy?
89
/ 100
Continental
80
/ 100
Michelin
Winner: Continental TerrainContact A/T — better treadwear, wet and dry. Pick the Michelin 4x4 Diamaris if handling matters most to you.
Pick tire A
You want the longest tread life
Continental TerrainContact A/T scores 86 vs 70 on treadwear.
Pick tire A
Your priority is wet-weather safety
Continental TerrainContact A/T scores 90 vs 81 on wet.
Pick tire A
You want the most grip on dry roads
Continental TerrainContact A/T scores 97 vs 89 on dry.
Pick tire A
You want the most comfortable ride
Continental TerrainContact A/T scores 90 vs 82 on comfort.
Tire A · Continental TerrainContact A/T
Tire B · Michelin 4x4 Diamaris
More comparisons
Also compared with
Continental TerrainContact A/T 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.