Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
Prices change daily — check the retailer for your size.
Prices change daily — check the retailer for your size.
TireWheelGuide may earn a commission from purchases made via links on this page.
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
| Source | Azenis RT-615K | NT555 |
|---|---|---|
| Tyre Reviews owners | 85 | 75 |
| Source | Azenis RT-615K | NT555 |
|---|---|---|
| Tyre Reviews owners | 75 | 63 |
| Source | Azenis RT-615K | NT555 |
|---|---|---|
| Tyre Reviews owners | 70 | 67 |
| Source | Azenis RT-615K | NT555 |
|---|---|---|
| Tyre Reviews owners | 35 | 65 |
| Source | Azenis RT-615K | NT555 |
|---|---|---|
| Tyre Reviews owners | 90 | 72 |
| Category | Falken Azenis RT-615K | Nitto NT555 |
|---|---|---|
| Relative Score | 81 | 67 |
| Dry | 95 | 75 |
| Wet | 79 | 63 |
| Snow | 67 | – |
| Comfort | 82 | 67 |
| Noise | 77 | – |
| Treadwear | 69 | 65 |
| Handling | 90 | 72 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
Tire A
Tire B
Only categories both tires have data for count toward the headline score.
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Falken Azenis RT 615 K is widely regarded as a high-performance, cost-effective 200TW tire that excels in dry track and street conditions. While users praise its exceptional grip and predictable handling, it is noted for requiring heat to reach optimal performance and having a limited lifespan, particularly when subjected to aggressive driving or aging.
The Nitto NT555 is widely regarded as a polarizing summer performance tire that excels in dry-weather grip and aesthetic appeal for enthusiasts. While some users praise its planted, semi-slick-like handling, others report significant traction issues in wet conditions and concerns regarding noise levels and longevity as the tread wears.
| Attribute | A · Falken Azenis RT-615K | B · Nitto NT555 |
|---|---|---|
| Category | — | Summer Ultra High Performance tires |
| Vehicle type | — | Passenger Car / Crossover |
| Sizes available | 17 | — |
| Rim diameters | 14″ – 18″ | — |
| Tread depth | 8/32″ | — |
| UTQG | 200 A A | — |
| Sidewall | Blackwall | — |
| Max pressure | 51 psi | — |
Falken
Nitto
Winner: Falken Azenis RT-615K — better dry, handling and wet. It leads or ties in every category we score.
Falken Azenis RT-615K scores 95 vs 75 on dry.
Falken Azenis RT-615K scores 90 vs 72 on handling.
Falken Azenis RT-615K scores 79 vs 63 on wet.
Falken Azenis RT-615K scores 82 vs 67 on comfort.
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.
