Summer tire handling Updated September 2026

Hankook Optimo K406 review

Name: Hankook Optimo K406
Brand: Hankook

± 8

Relative score from owner reviews only Provisional

Owners 64 · 9 reviews analysed

How scores work

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Hankook Optimo K406 has a Relative Score of 65 out of 100 among summer tires. 9 owner reviews rate it 64 out of 100. 66% 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

64/100

From 9 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 66%

Dry

Overall dry

Wet

Overall wet

Comfort

Overall comfort

Treadwear

Overall treadwear

Handling

Overall handling

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What owners like and dislike

Themes extracted from 9 owner reviews found online.

The Hankook Optimo K406 receives a mixed reception, primarily serving as an original equipment tire that polarizes users based on their expectations of longevity and comfort. While some drivers report impressive mileage and reliable dry-weather handling, others express significant frustration regarding premature tread wear, sidewall durability, and elevated road noise.

Pros

Reliable dry-weather grip and handling performance
Competitive value proposition as an entry-level or OE option
Potential for high mileage in specific, low-stress driving conditions

Cons

Inconsistent tread life with reports of premature wear
Noticeable road noise during highway driving
Susceptibility to sidewall bubbles and structural damage
Lack of confidence in wet or icy conditions

Worth knowing

Users driving heavier vehicles noted that the tires are subjected to significant stress, impacting overall longevity.
Drivers with stiffer suspension setups reported good cornering capabilities but experienced accelerated wear and sidewall issues.