Toyo Mid-range OBSERVE WINTER SPORT 1
provisional PTI 
from 1 test only Which sizes it's made in
Select width → profile → rim diameter in turn.
Load index (LI) — You must keep the LI at least as high as stated in the vehicle registration document for the specific tyre size. A higher LI (load index) is permitted by law.
Speed index (SI) — For winter (3PMSF) tyres, the SI may be either higher or lower than stated in the vehicle registration document.
Price comparison across shops
Current prices for size 275/35 R20.
Prices are indicative and may differ in the shop. Click to go straight to the product.
How the Observe Winter Sport 1 evaluated
provisional PTI from 1 test only 
tested only in R18 
noise and comfort: only 65 % measured 
Snow 12 what it consists of Snow (3)
Wet 81 what it consists of Wet (3)
Dry 69 what it consists of Dry (2)
Ice – 
Economy 92 what it consists of Economy (2)
Noise and comfort 48 what it consists of Noise and comfort (2)
Zákaznícke recenzie do PTI nevstupujú – PTI stojí na meraniach nezávislých testov; pri pneumatikách s málo testami čiastočne prihliada aj na triedu značky.
Where Toyo Observe Winter Sport 1 FSL stands in size 275/35 R20
Compared with 9 tyres in this size — same season and focus. All are on offer and have results from independent tests.
Bridgestone BLIZZAK 6 9.1 118 244 Ft 
Nokian Tyres SNOWPROOF 3P 9.1 101 148 Ft 
Hankook W330 WINTER I*CEPT EVO3 8.7 93 231 Ft better and cheaper 
Hankook W340 WINTER I*CEPT EVO 4 8.6 97 889 Ft better and cheaper Toyo Observe Winter Sport 1 FSL 7.7 100 502 Ft This tyre 
Toyo OBSERVE EWS1 7.6 72 964 Ft 
Nokian Tyres SNOWPROOF 1 7.5 98 490 Ft 
Radar DIMAX WINTER 6.8 57 292 Ft 
Imperial SnowDragon UHP 5.6 43 627 Ft Imperial SnowDragon UHP 43 627 Ft −56 875 Ft 9.1 best in the group Bridgestone BLIZZAK 6 118 244 Ft +17 742 Ft The tyre's real value for money
Lowest price in size 275/35 R20 divided by the estimated mileage from tests and reviews.
Of the tyres compared, Toyo OBSERVE WINTER SPORT 1 has the lowest cost per 100 km.
Technical information
Focus: Standard
The largest and best-selling category, and Toyo OBSERVE WINTER SPORT 1 belongs to it. No single property is pushed here at the expense of the others — comfort, grip, noise and tread life keep a sensible balance. For most drivers it is the safest bet: the tyre behaves predictably in the dry and in the wet and covers a decent number of kilometres.
C 
B 
B (73 dB) 
3PMSF Áno Competitors
Main competitors in the same price range.
Which tests it appeared in
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Auto Bild How the price has evolved
Lowest price across shops for size 275/35 R20.
The lowest available price across the monitored shops is shown. Indicative; may differ in the shop.
What owners say
<p>They perform very well in the water and are comfortable on dry land; they do a great job. I would buy this model again if I found it on sale.</p>
Good in both dry and wet conditions; ideal for cold mountain regions.