All-season tire Updated September 2026

Kumho Solus Vier KH21 review

Name: Kumho Solus Vier KH21
Brand: Kumho

This tire appears to be discontinued and may no longer be available.

Relative score from owner reviews only Provisional

Owners 60 · 5 reviews analysed

How scores work

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Kumho Solus Vier KH21 has a Relative Score of 64 out of 100 among all-season tires. In 2 road tests with an overall ranking it finished first 0 times and in the top three 0 times. 5 owner reviews rate it 60 out of 100. 63% would buy it again.

What owners say

No road-test results yet, so every score here comes from owner reviews found online.

How scores work

Relative score: 0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Road tests: 0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
Owner reviews: 0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.

Full methodology

By owner reviews

60/100

From 5 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 63%

Dry

Overall dry

Corner stability

Dry traction

Steering response

Wet

Overall wet

Wet traction

Comfort

Overall comfort

Treadwear

Overall treadwear

Handling

Overall handling

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What owners like and dislike

Themes extracted from 5 owner reviews found online.

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

Worth knowing

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.