Michelin Pilot Sport 4 S vs Falken Azenis FK520: Introducing the clash of the titans in the Ultra-High-Performance (UUHP) tire segment: the venerable 2017 Michelin Pilot Sport 4 S faces off against the freshly launched 2022 Falken Azenis FK520. As the Michelin Pilot Sport 4 S has long dominated the roads with its exceptional grip and handling, the question arises: can the Falken Azenis FK520, with its cutting-edge design and technology, dethrone the old guard?
This showdown promises a thrilling battle of innovation and performance, as the new contender seeks to make a statement in the highly competitive UUHP arena. Will the Falken Azenis FK520 deliver an upset and steal the crown? The stage is set for an exhilarating tire duel!
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Results: Michelin Pilot Sport 4 S vs Falken Azenis FK520
Results below were taken from 2023 Sport Auto UHP Tire Test with a total of 11 tires tested, The graph below shows the comparison between Michelin Pilot Sport 4 S vs Falken Azenis FK520 based on the relevant performance category. Michelin Pilot Sport 4 S was set as a reference hence at the 100% mark.
Note that for both wet & dry handling evaluation, the average lap speed was used instead of the standard lap time & subjective rating. The tire size of interest is a 225/40R18 which is a common tire size for Audi A3 & Volkswagen Golf . You can check out our latest tire size table for more information. The testing vehicle is a Audi S3 Sportback.
Wet
In wet braking tests from 80 to 0 km/h, both the Michelin Pilot Sport 4 S and the Falken Azenis FK520 stopped in 24.5 meters, showcasing equal performance. During wet handling, the Michelin averaged 84.6 km/h, slightly faster than the Falken’s 83.1 km/h. On the wet circle, the Michelin maintained a speed of 8.46 m/s, marginally outperforming the Falken’s 8.3 m/s.
Both tires achieved a maximum slipping speed of 80.6 km/h in straight aquaplaning tests. However, in curved aquaplaning, the Michelin achieved a max lateral acceleration of 3.63 m/s², edging out the Falken’s 3.47 m/s². Overall, while both tires exhibit strong wet performance, the Michelin Pilot Sport 4 S holds a slight advantage in handling and stability.
Azenis FK520 :
- ~0% in wet braking
- -2% in wet handling (average speed)
- -2% in wet circle
- 0% in straight aquaplaning
- -4% in curved aquaplaning
Dry
In dry braking tests from 100 to 0 km/h, the Michelin Pilot Sport 4 S stopped in 33.9 meters, outperforming the Falken Azenis FK520, which took 35.2 meters. For dry handling, both tires performed equally, with an average speed of 100.6 km/h. Overall, while both tires excel in dry handling, the Michelin Pilot Sport 4 S has a clear edge in dry braking performance.
Azenis FK520 :
- -4% in dry braking
- 0% in dry handling (average speed)
Exterior Noise
In terms of exterior noise, the Falken Azenis FK520 registers at 71.3 dB, making it slightly quieter than the Michelin Pilot Sport 4 S, which measures at 72.1 dB. While both tires are relatively quiet, the Falken Azenis FK520 offers a marginally better performance in reducing road noise.
Azenis FK520 :
- +1% in exterior noise (-0.8 dB)
Rolling Resistance
In terms of rolling resistance, the Falken Azenis FK520 has a lower value at 8.6 N/kN compared to the Michelin Pilot Sport 4 S, which measures at 9.6 N/kN. This indicates that the Falken tire offers better fuel efficiency. Despite this, the Falken maintains impressive wet braking performance, matching the Michelin’s 24.5 meters, showcasing an excellent trade-off between wet braking capability and rolling resistance.
Azenis FK520 :
- +12% in rolling resistance
Price
The Michelin Pilot Sport 4 S in size 265/35 R19 costs €185, while the Falken Azenis FK520 is priced at €88. This makes the Falken Azenis FK520 approximately 110% cheaper than the Michelin Pilot Sport 4 S.
Tire size: 265/35 R19
- Pilot Sport 4 S: € 185
- Azenis FK520 : € 88
Difference: -110% more cheaper for Azenis FK520.
Summary
As a tire expert, I can conclude that both the Michelin Pilot Sport 4 S and the Falken Azenis FK520 offer distinct advantages depending on your priorities. The Michelin Pilot Sport 4 S excels in several key performance areas. Its superior dry and wet handling capabilities, coupled with impressive braking performance, make it an excellent choice for drivers seeking top-tier performance and stability. Additionally, its higher lateral acceleration in wet conditions and robust handling characteristics ensure a confident and thrilling driving experience.
On the other hand, the Falken Azenis FK520 stands out with its exceptional value and impressive balance of performance traits. Despite being significantly more affordable, it matches the Michelin in wet braking and offers lower rolling resistance, contributing to better fuel efficiency. Its quieter ride further adds to the comfort, making it a compelling option for budget-conscious drivers who do not want to compromise on essential performance features.
In summary, the Michelin Pilot Sport 4 S is ideal for those prioritizing ultimate handling and performance, while the Falken Azenis FK520 offers outstanding value with solid performance across the board.
Dr Edwin Pang