Toyo Observe S 944 vs Yokohama iceGUARD iG65: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Toyo Observe S 944 and Yokohama iceGUARD iG65 appear in 8 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 Toyo Observe S 944 performs. It takes the win in dry, noise / comfort, mileage. Its overall Tire Lab Score is 93/100, based on 7 tests.
How the Yokohama iceGUARD iG65 performs. It takes the win in wet, snow, ice, efficiency. Its overall Tire Lab Score is 93/100, 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 Toyo Observe S 944 is the stronger all-round choice, leading in dry and Tire Lab Score. The Yokohama iceGUARD iG65 still wins on wet, making it the right pick if that matters most to you.
Which one should you buy?
Choose Toyo Observe S 944 if
- You prioritise dry
- You prioritise noise / comfort
- You prioritise mileage
- You prioritise wet
- You prioritise snow
- You prioritise ice
Test profile
| Metric | Toyo Observe S 944 | Yokohama iceGUARD iG65 |
|---|---|---|
| Segment | Nordic Winter | Nordic Winter |
| Type | Winter | Winter |
| Tests used | 7 | 1 |
| Best rank | #1 | #2 |
| Avg rank | 10.6 | 4.5 |
| Latest test | 2023 | 2018 |
| Tire Lab Score | 93.4 | 93.3 |
Tire Lab Score
Toyo Observe S 944
Yokohama iceGUARD iG65
Performance overview
Category-by-category results
| Category | Toyo Observe S 944 | Yokohama iceGUARD iG65 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 10.9 21 | Avg rank 4.0 | Yokohama iceGUARD iG65 |
| ☀️Dry | Avg rank 5.1 11 | Avg rank 6.0 | Toyo Observe S 944 |
| ❄️Snow | Avg rank 11.2 1 | Avg rank 4.0 2 | Yokohama iceGUARD iG65 |
| 🧊Ice | No data | Avg rank 4.5 1 | Yokohama iceGUARD iG65 |
| 🔇Noise / Comfort | Avg rank 7.1 1 | No data | Toyo Observe S 944 |
| 📏Mileage | Avg rank 3.0 1 | No data | Toyo Observe S 944 |
| 🔋Efficiency | Avg rank 7.5 | Avg rank 6.0 | Yokohama iceGUARD iG65 |
💧 Wet: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Yokohama iceGUARD iG65 wins this category with an average rank of 4.0, compared to 10.9 for the Toyo Observe S 944.
☀️ Dry: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Toyo Observe S 944 wins this category with an average rank of 5.1, compared to 6.0 for the Yokohama iceGUARD iG65.
❄️ Snow: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Yokohama iceGUARD iG65 wins this category with an average rank of 4.0, compared to 11.2 for the Toyo Observe S 944.
🧊 Ice: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Yokohama iceGUARD iG65 wins this category with an average rank of 4.5, compared to no data for the Toyo Observe S 944.
🔇 Noise / Comfort: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Toyo Observe S 944 wins this category with an average rank of 7.1, compared to no data for the Yokohama iceGUARD iG65.
📏 Mileage: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Toyo Observe S 944 wins this category with an average rank of 3.0, compared to no data for the Yokohama iceGUARD iG65.
🔋 Efficiency: Toyo Observe S 944 vs Yokohama iceGUARD iG65
The Yokohama iceGUARD iG65 wins this category with an average rank of 6.0, compared to 7.5 for the Toyo Observe S 944.
Frequently asked questions
Which is better in the wet, Toyo Observe S 944 or Yokohama iceGUARD iG65?
Across independent wet-braking tests, the Yokohama iceGUARD iG65 ranks higher on average than the Toyo Observe S 944.
Which has shorter dry braking distance?
The Toyo Observe S 944 averages a better dry-braking rank than the Yokohama iceGUARD iG65 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Toyo Observe S 944 ranks better than the Yokohama iceGUARD iG65.
Which tire lasts longer?
Based on wear and abrasion testing, the Toyo Observe S 944 shows better mileage performance than the Yokohama iceGUARD iG65.
How many tests were used in this comparison?
Toyo Observe S 944 appears in 7 independent tests, Yokohama iceGUARD iG65 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 →