71
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
72/100
5 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Kumho Solus Vier KH21 vs Nexen CP671 — 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
78
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
81/100
2 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Nexen CP671 — better comfort and treadwear. Pick the Kumho Solus Vier KH21 if wet matters most to you.
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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)
CP671 leads by 2
Why this score
| Source | Solus Vier KH21 | CP671 |
|---|---|---|
| Tyre Reviews owners | 83 | 85 |
| SimpleTire owners | – | 94 |
Wet
Score (0–100)
Solus Vier KH21 leads by 10
Why this score
| Source | Solus Vier KH21 | CP671 |
|---|---|---|
| Tyre Reviews owners | 85 | 75 |
| SimpleTire owners | – | 90 |
Comfort
Score (0–100)
CP671 leads by 25
Why this score
| Source | Solus Vier KH21 | CP671 |
|---|---|---|
| Tyre Reviews owners | 60 | 85 |
| SimpleTire owners | – | 90 |
Treadwear
Score (0–100)
CP671 leads by 17
Why this score
| Source | Solus Vier KH21 | CP671 |
|---|---|---|
| Tyre Reviews owners | 53 | 70 |
| SimpleTire owners | – | 89 |
Handling
Score (0–100)
CP671 leads by 2
Why this score
| Source | Solus Vier KH21 | CP671 |
|---|---|---|
| Tyre Reviews owners | 78 | 80 |
Scores at a glance
| Category | Kumho Solus Vier KH21 | Nexen CP671 |
|---|---|---|
| Relative Score | 71 | 78 |
| Dry | 83 | 85 |
| Wet | 85 | 75 |
| Comfort | 60 | 85 |
| Treadwear | 53 | 70 |
| Handling | 78 | 80 |
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
71
/ 100
Tire A
78
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Kumho Solus Vier KH21 is perceived as a budget-friendly all-season option that provides adequate performance when new, particularly for drivers needing legal compliance with European winter regulations. However, user consensus highlights significant longevity issues, noting that performance, noise levels, and structural integrity degrade noticeably as the tread wears.
Pros
- Cost-effective pricing compared to premium alternatives
- Certified for winter use with the mountain and snowflake symbol
- Reliable grip and handling characteristics when tires are new
- Satisfactory performance in varied weather conditions for the price point
Cons
- Rapid and uneven tread wear, particularly on front axles
- Increased road noise and reduced comfort as the rubber compound hardens over time
- Susceptibility to balancing issues and structural deformation
- High sensitivity to ambient temperature and pressure fluctuations
Observations
- Users operating estate-style vehicles, such as the VW Passat, reported significant uneven wear patterns and balancing issues.
- Long-term owners noted that the tire's performance characteristics shift negatively after approximately two years of use.
The Nexen CP671 is generally regarded as a durable, budget-friendly tire that offers reliable grip in both wet and dry conditions. While users appreciate its longevity and consistent handling, the experience is often tempered by noticeable road noise and structural aging issues over time.
Pros
- Impressive tread longevity and lifespan
- Reliable traction in both wet and dry weather
- Predictable and stable handling characteristics
Cons
- Significant road noise and cabin roar
- Directional tread pattern complicates tire rotation
- Tendency for rubber cracking as the tire ages
Observations
- Demonstrated strong durability on compact diesel vehicles, achieving 30,000 miles with remaining tread depth.
Specifications
Specs side by side
| Attribute | A · Kumho Solus Vier KH21 | B · Nexen CP671 |
|---|---|---|
| Category | All Season Touring tires | Summer Touring tires |
| Vehicle type | Passenger Car / Crossover | Passenger Car / Crossover |
| Sizes available | — | 12 |
| Rim diameters | — | 15″ – 19″ |
| Tread depth | — | 10/32″ |
| UTQG | — | 400 A A |
| Sidewall | — | Blackwall |
| Max pressure | — | 36 psi |
Final verdict
Which one should you actually buy?
71
/ 100
Kumho
78
/ 100
Nexen
Winner: Nexen CP671 — better comfort and treadwear. Pick the Kumho Solus Vier KH21 if wet matters most to you.
Pick tire B
You want the most comfortable ride
Nexen CP671 scores 85 vs 60 on comfort.
Pick tire B
You want the longest tread life
Nexen CP671 scores 70 vs 53 on treadwear.
Pick tire A
Your priority is wet-weather safety
Kumho Solus Vier KH21 scores 85 vs 75 on wet.
Tire A · Kumho Solus Vier KH21
Tire B · Nexen CP671
More comparisons
Also compared with
Kumho Solus Vier KH21 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.