Toyo Tires: Complete Guide to Celsius, Proxes, Open Country & Observe (Canada)
Toyo makes it easier when you think in families:
Celsius (all weather “one set” convenience),
Proxes (performance and sporty handling),
Open Country (truck/SUV all terrain, rugged terrain, highway and heavy duty),
and Observe (dedicated winter traction).
This guide breaks down the Toyo lineup so you can choose fast—based on your real driving conditions.
If you drive through real ice and deep snow, you’ll want a dedicated winter tire (Observe, WLT1),
or an all weather tire with winter certification (Celsius / Celsius II / Celsius CUV / Celsius Sport, and certain Open Country all weather models).
Toyo Tires Comparison: Key Differences, Strengths & Weaknesses
| Tire / Line | Category | Best For | Strengths | Weaknesses / Trade Offs |
|---|---|---|---|---|
| Celsius / Celsius II | All Weather (Passenger) | Year round convenience with extra winter safety | Positioned between all season and winter: better snow/ice traction than typical all season, longer tread life than winter | Still a compromise vs a dedicated winter tire on glare ice; not a track/performance tire |
| Celsius Sport | All Weather UHP | Drivers who want all weather confidence + sportier feel | All weather positioning with predictable handling across conditions | Won’t match a true summer tire for maximum warm weather grip; winter only tires still win on pure ice |
| Celsius CUV | All Weather (CUV/SUV) | Crossover/SUV drivers wanting one set year round | All weather positioning between all season and winter for better snow/ice than typical all season | Not the same as a dedicated winter tire in severe ice conditions |
| Observe GSi-6 / GSi-6 HP / GSi-6 LS | Studless Performance Winter | Confident winter handling + wet/slush control | Winter focused tread features for slush evacuation and traction (e.g., multiple grooves + siping design) | Winter only: should be removed in warm temps to avoid fast wear |
| Observe G3-ICE | Winter (Studdable optional / Factory studded sizes available) | Ice heavy winters and packed snow | Designed for tough winter driving; studdable options and Toyo’s winter tech positioning for snow/ice | Winter only; can feel softer/noisier vs all season in warmer weather |
| Open Country A/T III | All Terrain / All Weather (3PMSF) | Truck/SUV daily driving + trails + real shoulder seasons | All terrain traction with predictable on road handling; all weather designation (snowflake) for winter certified traction | More road noise/rolling resistance than highway tires; deep ice capability still trails dedicated winter |
| Open Country R/T + R/T Trail | Rugged Terrain / Hybrid | More aggression than A/T, with better road manners than full M/T | Designed to be more aggressive than standard A/T while aiming for smoother on road experience than many off road products | Heavier and louder than highway tires; not as extreme as M/T in deep mud |
| Open Country M/T | Mud Terrain | Maximum off road bite, lifted rigs, deep mud/rock | Designed for enthusiasts needing clearance, load capacity, and off road capability | Most road noise + roughest ride; treadlife and wet braking are the usual trade |
| Open Country H/T II | Highway All Season (Light Truck) | Quiet highway driving, commuting, towing on pavement | All season highway intent for trucks/SUVs, smoother ride focus | Not built for serious off road; winter traction depends on conditions and driver expectations |
| Open Country Q/T | CUV/SUV Touring All Season | Everyday comfort for crossovers and SUVs | Touring all season positioning for refined on road use | Not an off road tire; winter performance is not the same as winter/all weather certified tires |
| Proxes Sport / Sport 2 / R1R / R888R | Summer Ultra High Performance | Warm weather grip and sporty handling | UHP summer focus: steering response + performance intent | Summer only: unsafe in cold temps and snow/ice |
| Proxes Sport A/S & A/S+ | All Season Performance | Sportier daily driving across seasons | All season performance positioning with design focus on wet/dry behavior and stability | Not a winter tire; deep snow/ice calls for all weather or winter |
| Proxes ST III | Performance All Season (SUV/Sport Truck) | SUVs and sport trucks wanting style + performance | Sport oriented performance intent with wet/dry traction focus | Not a dedicated winter option; not an off road tire |
| Extensa A/S II | Value All Season | Budget friendly commuting with Toyo feel | Value oriented all season positioning; silica compound focus for wet traction + rolling resistance improvements | Not a performance tire; winter limitations vs all weather/winter |
| Extensa HP II | High Performance All Season | More responsive feel than value touring tires | High performance all season positioning for sharper on road response | Not winter certified; not a summer max grip tire |
| Celsius Cargo / M-55 / M655 LT | Commercial Light Truck / Heavy Duty | Fleet vans, heavy use, job sites, severe service | Commercial grade durability positioning for work vehicles | Ride comfort and noise may trade off vs passenger tires; choose based on load and duty cycle |
| Open Country WLT1 | Heavy Use Winter (Light Truck) | Work trucks that can’t take winter days off | Winter light truck focus for heavy use applications | Winter only; wear increases in warm temps |
Celsius = all weather “one set” life.
Observe/WLT1 = winter.
Proxes = performance.
Open Country = trucks/SUVs (highway, all terrain, rugged terrain, mud).
All Weather Tires (Year Round Convenience)
Celsius
The Toyo Celsius is a true all weather tire designed for drivers who want added winter safety
without buying and storing a second set of winter tires. Toyo positions it between all season and winter:
better snow/ice traction than a typical all season, with longer tread life than a winter tire.
- All weather positioning between all season and winter
- Better snow/ice traction than typical all season tires
- Longer tread life than many dedicated winter tires
Celsius II
The Toyo Celsius II continues the all weather idea for drivers who want extra traction
whatever the season—without the seasonal swap.
- All weather passenger tire for a wide range of vehicles
- Year round traction focus
- Great for unpredictable winter “surprise” days
Celsius Sport
The Toyo Celsius Sport is Toyo’s ultra high performance all weather option,
built for drivers who want dependable traction and predictable handling in all types of weather—without driving a marshmallow.
- UHP all weather positioning
- Predictable handling across changing conditions
- Good fit for drivers who want all weather confidence with a sportier feel
Celsius CUV
The Toyo Celsius CUV brings all weather versatility to crossovers and SUVs.
It’s positioned between all season and winter for better ice/snow than typical all season, with longer tread life than winter tires.
- All weather design for CUV/SUV fitments
- Extra cold weather traction without switching sets
- Great for drivers who want “one set” simplicity
Celsius Cargo (Commercial Van / Light Truck)
The Toyo Celsius Cargo is an all weather commercial grade light truck/van tire,
built for drivers and fleets that need winter readiness but still put in real mileage year round.
- Commercial grade all weather design for vans/light trucks
- Year round practicality for work vehicles
- Ideal for fleets that can’t afford downtime
Passenger & Minivan Tires (Daily Driving + Performance)
Extensa A/S II
The Toyo Extensa A/S II is a value oriented all season tire designed to deliver comfort and everyday performance
for a wide range of cars, minivans, compact SUVs, and crossovers.
- Value all season positioning for daily driving
- Silica based tread compound focus for wet traction and reduced rolling resistance
- Great “daily commuter” choice with a budget friendly angle
Extensa HP II
The Toyo Extensa HP II steps into the high performance all season category—aimed at drivers who want a more responsive,
planted feel than a typical touring tire.
- High performance all season positioning
- Sharper handling feel for daily driving
- Good middle ground between value touring and full performance
Proxes Sport A/S & Proxes Sport A/S+
The Toyo Proxes Sport A/S and Proxes Sport A/S+ are all season performance tires built for drivers who want
sporty behavior with year round usability. Toyo highlights asymmetric design features aimed at balancing wet and dry performance,
and the A/S+ version emphasizes improvements in wet performance.
- All season performance positioning (sporty daily driving)
- Asymmetric tread design intent for wet/dry balance
- Great choice for drivers who want sharper steering feel without going summer only
Proxes Sport & Proxes Sport 2 (Summer UHP)
The Toyo Proxes Sport and Proxes Sport 2 are summer ultra high performance tires.
This is the warm weather choice for drivers who care about response, stability, and performance handling.
- Summer UHP performance category
- Designed for enhanced dry and wet road traction in warm conditions
- Not for cold temperatures or winter driving
CUV / SUV Tires (Comfort to Sport)
Open Country Q/T
The Toyo Open Country Q/T is a CUV/SUV touring all season tire—built for comfortable, quiet daily driving
on pavement with a refined on road feel.
- Touring all season positioning for CUV/SUV drivers
- Comfort focused daily driver
- Best for highway and city use
Proxes ST III
The Toyo Proxes ST III is a performance all season SUV/sport truck tire.
Toyo positions it as a balance of dynamic looks and sport oriented performance for SUVs, sport trucks, and select crossovers.
- Performance all season positioning for SUVs and sport trucks
- Sporty handling focus with wet/dry traction intent
- Great for drivers who want style + response
Light Truck / SUV Tires (Open Country Series)
Open Country A/T III
The Toyo Open Country A/T III is an all terrain tire designed to deliver off road traction
with responsive, predictable on road handling. Toyo specifically positions it with an all weather designation
(snowflake) for added confidence when conditions turn ugly.
- All terrain traction with stable on road manners
- All weather (winter snowflake) designation for added seasonal confidence
- Great for daily trucks that still see gravel roads, trails, and job sites
Open Country A/T III EV
The Toyo Open Country A/T III EV is Toyo’s all terrain, all weather light truck tire variant for EV focused needs,
built within the Open Country A/T III family.
- All terrain / all weather positioning
- EV oriented variant in the A/T III family
- Good fit for heavier vehicles and torque heavy driving patterns
Open Country R/T
The Toyo Open Country R/T is a rugged terrain hybrid designed to blend all terrain road manners
with off road ready aggression, aiming for smoother on road driving than many hardcore off road tires.
- Hybrid rugged terrain positioning
- More aggressive than standard A/T
- Good for drivers who want off road bite without going full M/T
Open Country R/T Trail
The Toyo Open Country R/T Trail is positioned as a new level of traction and comfort,
designed to be more aggressive than a standard all terrain while offering a smoother on road experience
compared to many off road ready options.
- Rugged terrain hybrid: more bite than A/T, smoother than many off road tires
- Great for SUVs and trucks that do real off road miles
- Perfect “weekend trails + weekday pavement” compromise
Open Country M/T
The Toyo Open Country M/T is the mud terrain choice for enthusiasts who want extra clearance,
load carry capacity, and serious off road capability.
- Mud terrain off road focus
- Built for aggressive terrain and heavy duty use
- Expect more road noise (that’s the mud tire trade)
Open Country H/T II
The Toyo Open Country H/T II is an all season light truck highway tire built for drivers who spend most of their time on road,
want a smoother ride, and still need dependable everyday traction.
- Highway all season positioning for trucks/SUVs
- Comfort and road manners focus
- Best for commuters, road trippers, and towing on pavement
Winter Tires (Observe + Heavy Use Winter)
Observe GSi-6
The Toyo Observe GSi-6 is a studless performance winter tire built for cold weather traction,
including slush and wet winter roads. Toyo highlights multiple tread features aimed at water evacuation and winter bite.
- Studless performance winter positioning
- Winter traction focus for snow, slush, and cold wet roads
- Great for drivers who want winter grip with confident road manners
Observe G3-ICE (Studdable Optional / Factory Studded Sizes Available)
The Toyo Observe G3-ICE is designed for tough winter driving conditions,
combining winter performance with driving comfort. It’s available in studdable configurations (and factory studded sizes).
- Winter tire built for snow, ice, and slush
- Studdable optional (and factory studded sizes)
- Great for drivers who see a lot of ice and packed snow
Open Country WLT1 (Heavy Use Winter)
The Toyo Open Country WLT1 is Toyo’s heavy use winter tire in the Open Country family,
aimed at work trucks and severe winter duty where you need winter traction and durability.
- Winter light truck tire for heavy use applications
- Great for fleets and work trucks in winter conditions
- Best used as a true seasonal winter setup
Commercial / Heavy Duty Light Truck Tires
Open Country C/T
The Toyo Open Country C/T is an all terrain, all weather tire positioned for commercial and heavy use applications,
built for drivers who need durability plus traction across changing conditions.
- All terrain, all weather positioning
- Commercial grade intent
- Great for job sites, service vehicles, and heavier duty cycles
M655 LT
The Toyo M655 LT is positioned as an on/off road commercial grade tire—built tough for severe service.
- Commercial grade durability focus
- On/off road use intent for demanding work environments
- Ideal for heavy use fleets
M-55
The Toyo M-55 is an all weather heavy duty light truck tire in Toyo’s commercial oriented lineup,
built for durability and tough duty use.
- Heavy duty light truck focus
- All weather intent for work vehicles
- Designed for demanding service
Why Choose Toyo Tires at XYZTires.com?
At XYZTires.com, we don’t do gimmicks—no fake sales, no clearance games—just the lowest prices always.
Whether you need all weather convenience (Celsius), winter confidence (Observe/WLT1),
truck toughness (Open Country), or sporty handling (Proxes), we’ll help you match the right Toyo tires to your driving reality.
Act Now – Your Vehicle Deserves Toyo Tires
Tires aren’t optional—they’re your braking, steering, and traction. If you want help choosing the best Toyo model
for your size, season, and vehicle type, we’ll get you dialed in fast.
Shop Toyo tires at XYZTires.com today—your safety, your performance, our priority.
