Metzeler Racetec RR K3 vs Nankang AR 1: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Metzeler Racetec RR K3 and Nankang AR 1 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 Metzeler Racetec RR K3 performs. It takes the win in wet. It has limited comparative test data, so treat its results as indicative.
How the Nankang AR 1 performs. It takes the win in dry, noise / comfort, efficiency. Its overall Tire Lab Score is 80/100, 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 Metzeler Racetec RR K3 and Nankang AR 1 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 dry
- You prioritise noise / comfort
- You prioritise efficiency
Test profile
| Metric | Metzeler Racetec RR K3 | Nankang AR 1 |
|---|---|---|
| Segment | UUHP/Track | UUHP/Track |
| Type | Summer | Summer |
| Tests used | 1 | 1 |
| Best rank | #2 | #1 |
| Avg rank | 6.5 | 6.3 |
| Latest test | 2025 | 2022 |
| Tire Lab Score | — | 80.1 |
Tire Lab Score
Metzeler Racetec RR K3
Nankang AR 1
Performance overview
Category-by-category results
| Category | Metzeler Racetec RR K3 | Nankang AR 1 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 6.0 | Avg rank 10.0 | Metzeler Racetec RR K3 |
| ☀️Dry | Avg rank 11.0 | Avg rank 2.0 2 | Nankang AR 1 |
| 🔇Noise / Comfort | No data | Avg rank 5.5 1 | Nankang AR 1 |
| 🔋Efficiency | No data | Avg rank 2.0 1 | Nankang AR 1 |
💧 Wet: Metzeler Racetec RR K3 vs Nankang AR 1
The Metzeler Racetec RR K3 wins this category with an average rank of 6.0, compared to 10.0 for the Nankang AR 1.
☀️ Dry: Metzeler Racetec RR K3 vs Nankang AR 1
The Nankang AR 1 wins this category with an average rank of 2.0, compared to 11.0 for the Metzeler Racetec RR K3.
🔇 Noise / Comfort: Metzeler Racetec RR K3 vs Nankang AR 1
The Nankang AR 1 wins this category with an average rank of 5.5, compared to no data for the Metzeler Racetec RR K3.
🔋 Efficiency: Metzeler Racetec RR K3 vs Nankang AR 1
The Nankang AR 1 wins this category with an average rank of 2.0, compared to no data for the Metzeler Racetec RR K3.
Frequently asked questions
Which is better in the wet, Metzeler Racetec RR K3 or Nankang AR 1?
Across independent wet-braking tests, the Metzeler Racetec RR K3 ranks higher on average than the Nankang AR 1.
Which has shorter dry braking distance?
The Nankang AR 1 averages a better dry-braking rank than the Metzeler Racetec RR K3 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Nankang AR 1 ranks better than the Metzeler Racetec RR K3.
How many tests were used in this comparison?
Metzeler Racetec RR K3 appears in 1 independent tests, Nankang AR 1 in 1.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →