Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun

    2026 test data · 2 independent tests

    Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun: the full picture

    This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Falken Azenis RT660 and Falken ZIEX ZE914 EcoRun appear in 2 tests, though they have not yet met head-to-head in the same test. Head-to-head results carry the most weight here, because surface, weather and test car all change between events and make raw numbers from different tests hard to compare directly.

    How the Falken Azenis RT660 performs. It takes the win in dry. It has limited comparative test data, so treat its results as indicative.

    How the Falken ZIEX ZE914 EcoRun performs. It takes the win in wet, noise / comfort, efficiency. Its overall Tire Lab Score is 88/100, based on 1 test.

    What this means for you. Category wins matter more than the overall score when your driving is weighted toward one condition — a wet-climate commuter should follow the wet braking column, while a high-mileage driver should follow wear and rolling resistance. Also check that both tires are actually offered in your size and load rating: performance can shift between sizes, and availability differs between the European and North American markets.

    Verdict

    The Falken Azenis RT660 and Falken ZIEX ZE914 EcoRun are closely matched. Pick based on the category that matters most to your driving — wet, dry, comfort, mileage, or price.

    Which one should you buy?

    • You prioritise wet
    • You prioritise noise / comfort
    • You prioritise efficiency

    Test profile

    MetricFalken Azenis RT660Falken ZIEX ZE914 EcoRun
    SegmentTouringTouring
    TypeSummerSummer
    Tests used11
    Best rank#2#2
    Avg rank4.58.8
    Latest test20212020
    Tire Lab Score87.7

    Tire Lab Score

    No score yet
    87.7
    Very Good · Summer

    Performance overview

    Category-by-category results

    CategoryFalken Azenis RT660Falken ZIEX ZE914 EcoRunWinner
    💧WetNo data
    Avg rank 8.7
    Falken ZIEX ZE914 EcoRun
    ☀️Dry
    Avg rank 7.0
    Avg rank 8.7
    1
    Falken Azenis RT660
    🔇Noise / ComfortNo data
    Avg rank 7.3
    1
    Falken ZIEX ZE914 EcoRun
    🔋EfficiencyNo data
    Avg rank 6.0
    Falken ZIEX ZE914 EcoRun

    💧 Wet: Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun

    The Falken ZIEX ZE914 EcoRun wins this category with an average rank of 8.7, compared to no data for the Falken Azenis RT660.

    ☀️ Dry: Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun

    The Falken Azenis RT660 wins this category with an average rank of 7.0, compared to 8.7 for the Falken ZIEX ZE914 EcoRun.

    🔇 Noise / Comfort: Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun

    The Falken ZIEX ZE914 EcoRun wins this category with an average rank of 7.3, compared to no data for the Falken Azenis RT660.

    🔋 Efficiency: Falken Azenis RT660 vs Falken ZIEX ZE914 EcoRun

    The Falken ZIEX ZE914 EcoRun wins this category with an average rank of 6.0, compared to no data for the Falken Azenis RT660.

    Frequently asked questions

    Which is better in the wet, Falken Azenis RT660 or Falken ZIEX ZE914 EcoRun?

    Across independent wet-braking tests, the Falken ZIEX ZE914 EcoRun ranks higher on average than the Falken Azenis RT660.

    Which has shorter dry braking distance?

    The Falken Azenis RT660 averages a better dry-braking rank than the Falken ZIEX ZE914 EcoRun across the tests where both appeared.

    Which tire is quieter and more comfortable?

    On combined noise and comfort metrics, the Falken ZIEX ZE914 EcoRun ranks better than the Falken Azenis RT660.

    How many tests were used in this comparison?

    Falken Azenis RT660 appears in 1 independent tests, Falken ZIEX ZE914 EcoRun in 1.

    Also compare

    Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →