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.
Head-to-head
Updated May 2026
Michelin 4x4 Diamaris vs Sumitomo H/TR Z — 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
67
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
68/100
4 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Michelin 4x4 Diamaris — better treadwear, handling and comfort. It leads or ties in every category we score.
Read full
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Category breakdown
5 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 6
Why this score
| Source | 4x4 Diamaris | H/TR Z |
|---|---|---|
| Tire Rack owners | 86 | – |
| Tyre Reviews owners | 90 | 83 |
Wet
Score (0–100)
4x4 Diamaris leads by 8
Why this score
| Source | 4x4 Diamaris | H/TR Z |
|---|---|---|
| Tire Rack owners | 76 | – |
| Tyre Reviews owners | 82 | 73 |
Comfort
Score (0–100)
4x4 Diamaris leads by 14
Why this score
| Source | 4x4 Diamaris | H/TR Z |
|---|---|---|
| Tire Rack owners | 73 | – |
| Tyre Reviews owners | 83 | 68 |
Treadwear
Score (0–100)
4x4 Diamaris leads by 20
Why this score
| Source | 4x4 Diamaris | H/TR Z |
|---|---|---|
| Tire Rack owners | 59 | – |
| Tyre Reviews owners | 72 | 50 |
Handling
Score (0–100)
4x4 Diamaris leads by 17
Why this score
| Source | 4x4 Diamaris | H/TR Z |
|---|---|---|
| Tyre Reviews owners | 87 | 70 |
Scores at a glance
| Category | Michelin 4x4 Diamaris | Sumitomo H/TR Z |
|---|---|---|
| Relative Score | 80 | 67 |
| Dry | 89 | 83 |
| Wet | 81 | 73 |
| Comfort | 82 | 68 |
| Treadwear | 70 | 50 |
| Handling | 87 | 70 |
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
80
/ 100
Tire A
67
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
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.
The Sumitomo H/TR Z receives highly polarized feedback, with users divided between those praising its value and longevity and those reporting significant durability and safety concerns. While some drivers report excellent tread life and performance comparable to premium brands, others cite premature wear and catastrophic structural failure.
Pros
- High value-for-money proposition
- Strong dry weather traction
- Competitive tread life for some users
Cons
- Inconsistent tread wear and longevity
- Subpar wet weather performance
- Reports of structural failure and blowouts
Observations
- Users operating on challenging terrain, such as steep country roads, reported significantly accelerated tread wear compared to standard commuting.
- Drivers maintaining specific tire pressure protocols, such as nitrogen filling and slightly elevated PSI, reported better-than-average longevity on mid-sized vehicles like the Volvo V50.
Specifications
Specs side by side
| Attribute | A · Michelin 4x4 Diamaris | B · Sumitomo H/TR Z |
|---|---|---|
| Category | Summer High Performance tires | Summer Ultra High Performance tires |
| Vehicle type | SUV and 4x4 | Passenger Car / Crossover |
Final verdict
Which one should you actually buy?
80
/ 100
Michelin
67
/ 100
Sumitomo
Winner: Michelin 4x4 Diamaris — better treadwear, handling and comfort. It leads or ties in every category we score.
Pick tire A
You want the longest tread life
Michelin 4x4 Diamaris scores 70 vs 50 on treadwear.
Pick tire A
You enjoy sharp, responsive handling
Michelin 4x4 Diamaris scores 87 vs 70 on handling.
Pick tire A
You want the most comfortable ride
Michelin 4x4 Diamaris scores 82 vs 68 on comfort.
Pick tire A
Your priority is wet-weather safety
Michelin 4x4 Diamaris scores 81 vs 73 on wet.
Tire A · Michelin 4x4 Diamaris
Tire B · Sumitomo H/TR Z
More comparisons
Also compared with
Michelin 4x4 Diamaris also compared with
Sumitomo H/TR Z 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.