Summer tire Updated September 2026

Westlake Radial RP18 review

± 8

Relative score from owner reviews only

Better than 48% of the summer tires we score.

Owners 61 · 27 reviews analysed

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Westlake Radial RP18 has a Relative Score of 63 out of 100 among summer tires. 27 owner reviews rate it 61 out of 100. 64% would buy it again.

Westlake Radial RP18

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

61/100

From 27 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 64%
Dry
Overall dry
59
Wet
Overall wet
63
Comfort
Overall comfort
55
Treadwear
Overall treadwear
62
Handling
Overall handling
61

Own these tires? Write a review →

What owners like and dislike

Themes extracted from 27 owner reviews found online.

The Westlake Radial RP18 is a polarizing budget-friendly tire that receives highly inconsistent feedback regarding its performance and comfort. While many users praise its exceptional value, durability, and dry-road handling, a significant portion of owners report issues with excessive road noise and compromised wet-weather traction.

Pros

  • Exceptional price-to-performance ratio
  • Strong treadwear longevity
  • Reliable dry-road grip and handling
  • Cost-effective alternative to premium brands

Cons

  • Significant and frequent complaints regarding high road noise
  • Unpredictable or poor wet-weather traction
  • Inconsistent ride comfort, described by some as overly stiff or squishy
  • Perceived lack of safety in adverse conditions

Worth knowing

  • Users with stiff, performance-oriented suspensions (e.g., autocross setups) reported that the tires helped improve ride comfort when using a slight upsize.
  • Drivers of standard commuter vehicles like the Toyota Corolla reported high satisfaction with treadwear and daily driving performance.
  • Some users noted that proper road-force balancing is essential to mitigate the common complaints regarding noise.

1 published test appearance

Placement within each field. Open a test for the discipline-by-discipline result.

2014 AMS Summer tire Test - 205/55 R16 · 205/55 R16

10th of 11

Only the final ranking was published for this test, not the results per discipline.

Source: Auto Motor und Sport

Reviews from our readers

Drivers who have these tires on their car, in their own words. We check every review before it goes live.

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