
Michelin Primacy 4+ vs Falken ZIEX ZE320: In today’s battle, we have an exciting showdown in the summer touring tire segment: the brand-new Falken Ziex ZE320 EcoRun, fresh on the market in 2024, is challenging the established Michelin Primacy 4+, launched in 2022 but soon to be replaced by the highly anticipated Primacy 5. Can the newcomer Falken seize the moment and topple the trusted Primacy 4+, or will Michelin’s seasoned performer go out with one final triumph? Let’s dive in and see who takes the crown!
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Results: Michelin Primacy 4+ vs Falken ZIEX ZE320
The results featured here are from Tyre Review’s Best Touring Tyres Test, with 7 model of the finest touring tires were tested. The accompanying graph presents a side-by-side comparison of the Michelin Primacy 4+ vs Falken ZIEX ZE320 across various performance categories, with the Michelin Primacy 4+ serving as the benchmark at the 100% mark.
The tire size of interest is the 225/50R17 tire size, a popular choice for vehicles like the BMW 3 series Audi A3. For further insights into various tire sizes, feel free to consult our latest tire size table. The tests were conducted using a standard BMW 3 series.

Wet
In wet braking, the Falken Ziex ZE320 EcoRun stops 1.69 meters shorter than the Michelin Primacy 4 Plus, a 6% improvement in stopping distance. On the wet handling course, the Falken is 4.74 seconds faster than the Michelin, making it 5% quicker per lap. Subjectively, the Falken also scores higher with a perfect 10 points, while the Primacy 4 Plus lags behind at 8.75 points, indicating a more confidence-inspiring and controlled drive.
However, in straight aquaplaning resistance, the Michelin fights back with a 2.2 km/h higher threshold, a 2% advantage, making it slightly safer in deep water. Overall, the Falken dominates in wet braking and handling, while the Michelin holds a small edge in aquaplaning safety.
ZIEX ZE320 :
- +7% in wet braking
- +5% in wet handling (lap time)
- +6% in subjective wet handling
- -2% in straight aquaplaning
Dry
In dry braking, the Falken Ziex ZE320 EcoRun stops 1.01 meters shorter than the Michelin Primacy 4 Plus, a 3% improvement in stopping distance. On the dry handling course, the Falken is also 0.89 seconds faster, making it 1% quicker per lap.
However, in subjective dry handling, the Michelin takes the edge with a perfect 10 points, while the Falken scores 9.5 points, suggesting that the Primacy 4 Plus provides a slightly more refined and predictable driving experience. Overall, the Falken delivers better raw performance in braking and lap times, while the Michelin offers a more polished and balanced feel.
ZIEX ZE320 :
- +3% in dry braking
- +1% in dry handling (lap time)
- -2.5% in subjective dry handling
Noise
The Michelin Primacy 4 Plus offers better comfort, scoring 10 points versus 9 for the Falken Ziex ZE320 EcoRun. Exterior Noise levels are nearly identical, with the Falken just 0.1 dB louder at 71.2 dB. While both tires are quiet, the Michelin provides a smoother and more refined ride.
ZIEX ZE320 :
- -5% in subjective comfort
- ~0% in exterior noise (+0.1 dB)
Rolling Resistance
The Michelin Primacy 4 Plus has lower rolling resistance, measuring 7.57 N/kN compared to 7.77 N/kN for the Falken Ziex ZE320 EcoRun, giving the Michelin a 3% advantage in fuel efficiency. This means the Primacy 4 Plus offers slightly better energy savings over time.
ZIEX ZE320 :
- -3% in rolling resistance
Price
The Falken Ziex ZE320 EcoRun is €42 cheaper than the Michelin Primacy 4 Plus in 225/50 R17, making it 39% more affordable. This gives Falken a strong value advantage for budget-conscious buyers.
Tire size: 225/50 R17
- Primacy 4+ : € 151
- ZIEX ZE320 : € 109
Difference: -39% more cheaper for ZIEX ZE320
Summary
From my perspective as a tire expert, the Falken Ziex ZE320 EcoRun impresses with its superior wet performance, delivering shorter braking distances, faster lap times, and better subjective handling. It also edges out the Michelin Primacy 4 Plus in dry braking and lap times, making it a strong contender in dynamic driving conditions—all while being more affordable. However, the Primacy 4 Plus holds its ground with better comfort, lower rolling resistance, and a slight edge in aquaplaning resistance, making it the more refined and fuel-efficient choice. If you prioritize performance and value, Falken takes the win, but for comfort and efficiency, Michelin remains a solid pick.
Dr Edwin Pang