Kumho Solus 4S HA32 Plus vs Toyo Celsius AS2

Test Results

Independent comparison tire tests are the best source of data to get tire information from, and the good news is there have been six tests which compare both tires directly!

While it might look like the Kumho Solus 4S HA32 Plus is better than the Toyo Celsius AS2 purely based on the higher number of test wins, tires are very complicated objects which means where one tire is better than the other can be more important in real world use.

Let's look at how the two tires compare across multiple tire test categories.

Key Strengths

Kumho Solus 4S HA32 Plus

• Consistently shorter wet braking and stronger wet handling/circle times
• Superior winter performance: snow/ice braking, traction, and handling
• Quieter external noise in multiple tests
• Competitive efficiency in ADAC (slight edge on fuel vs Toyo) with generally good wear there

Toyo Celsius AS2

• Shorter dry braking across tests
• Excellent aquaplaning resistance (straight and curved)
• Lower rolling resistance and fuel consumption
• Very high projected mileage and favorable value scores

Real World Driver Reviews

Tire Reviews also collects real world driver reviews for the Kumho Solus 4S HA32 Plus and Toyo Celsius AS2.

In total the Kumho Solus 4S HA32 Plus has been reviewed 5 times and drivers have given the tire 76% overall.

The Toyo Celsius AS2 has been reviewed 5 times and drivers have given the tire 79% overall.

This means in real world driving, people prefer the Toyo Celsius AS2.

Conclusion

Pattern-wise, Kumho is the safer, more predictable option when conditions turn adverse. It wins wet braking in all shared instances, leads most wet handling metrics, and is convincingly better on snow and ice. If your climate sees frequent rain, shoulder-season chill, or regular light snow, the Solus 4S HA32 Plus provides a wider safety window and more secure dynamics.

Toyo's proposition is value and longevity: class-leading aquaplaning reserves, consistently shorter dry stops, lower fuel use, and standout tread life make the Celsius AS2 cost-effective for high-mileage drivers and wet-motorway users who prioritize stability at speed in standing water. For balanced, year-round road use with emphasis on efficiency and aquaplaning, Toyo is compelling; for all-weather grip and confidence on wet/snow, Kumho is the clearer choice.

Key Differences

• Wet performance: Kumho wins all wet braking head-to-heads and most wet handling metrics; Toyo only leads aquaplaning.
• Winter grip: Kumho leads snow braking/traction/handling and ice braking by meaningful margins.
• Dry stopping: Toyo consistently stops shorter on dry; Kumho often edges dry handling speeds.
• Efficiency: Toyo shows lower rolling resistance and fuel use across multiple tests.
• Tread life: Toyo's mileage is substantially higher (often double-digit % advantage; up to ~+56% in AutoBild 2024).
• Ride/comfort/noise: Kumho measures slightly quieter; Toyo sometimes lighter in tire weight.

Overall Winner: Kumho Solus 4S HA32 Plus

Based on the tire test data and user reviews we have in our database, the Kumho Solus 4S HA32 Plus has demonstrated better overall performance in this comparison. However, as you can see from the spider diagram above, each tire has its own strengths which should be considered in your final tire buying choice.

Similar Comparisons

Looking for more tire comparisons? Here are other direct comparisons involving these tires:

Kumho Solus 4S HA32 Plus Top Comparisons

No other comparisons available for this tire.

Toyo Celsius AS2 Top Comparisons

No other comparisons available for this tire.

Footnote

This page has been developed using tire industry testing best practices. This means we are only comparing tests which have had both tires in the same test.

Why is this important? Tire testing is heavily affected by things like surface grip levels and surface temperature, which means you can only compare values from the same day. During a tire test external condition changes are calculated into the overall results, but it is not possible to calculate this between tire tests performed on different days or at different locations.

As a result you will see other tests on Tire Reviews which feature both the %s and %s, but as they weren't conducted on the same day, the results are not comparable.

Lots of other websites do this sort of tire comparison, Tire Reviews doesn't.