On this page you’ll find the full specifications for this 245/45R19 Toyo Observe G3 Ice Winter tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG (when provided by the manufacturer), and shipping details for Ontario and Quebec.
Quick Specs
Size: 245/45R19
Brand / Model: Toyo Observe G3 Ice
Season: Winter
Certifications: 3PMSF severe snow service, Studdable, XL (Extra Load)
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
245/45R19 Toyo Observe G3 Ice Winter
3PMSF severe snow service rating indicated. Studdable option available where permitted.
How this tire is positioned
245/45R19 Toyo Observe G3 Ice is positioned as a winter tire built around a 245 mm section width and 19-inch wheel fitment.
In practical terms, this size combines a 45-series sidewall of about 110 mm with a 19-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates 3PMS certification for severe-snow service, a studdable design where permitted, an XL extra-load rating.
About the 245/45R19 tire size
The 245/45R19 size breaks down as follows:
245 — tread width in millimetres
45 — sidewall height as a percentage of tread width (approx. 110 mm)
R19 — fits a 19-inch rim
The 245/45R19 size is commonly found on sport sedans, coupes, and luxury vehicles. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.
Key features — Toyo Observe G3 Ice in 245/45R19
3PMSF severe snow service symbol indicated.
Studdable design (where permitted).
XL (Extra Load) rating indicated.
Size: 245/45R19 (fits an 19-inch wheel).
Ontario & Quebec — winter tire information
In Quebec, winter tires are mandatory on all passenger vehicles from December 1 to March 15 under the Highway Safety Code. In Ontario, winter tires are strongly recommended during cold-weather months and many insurance providers offer premium discounts for equipped vehicles. The 245/45R19 Toyo Observe G3 Ice is a Winter tire bearing the 3PMSF severe snow service symbol, making it eligible to satisfy Quebec’s winter tire mandate.
Find tires for your vehicle
Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:
The 245/45R19 size indicates a tread width of 245 mm, a sidewall ratio of 45% (approximately 110 mm tall), and a 19-inch rim diameter. This size is commonly found on sport sedans, coupes, and luxury vehicles.
Is the 245/45R19 Toyo Observe G3 Ice a Winter tire?
Yes — the 245/45R19 Toyo Observe G3 Ice is categorized as a Winter tire. Winter tires are mandatory in Quebec from December 1 to March 15, and strongly recommended across Ontario during cold-weather months.
Is the 245/45R19 Toyo Observe G3 Ice 3PMS rated?
Yes — the 245/45R19 Toyo Observe G3 Ice carries the 3PMSF (Three-Peak Mountain Snowflake) severe snow service symbol, confirming it meets recognized winter traction performance standards.
Is the 245/45R19 Toyo Observe G3 Ice studdable?
Yes — the 245/45R19 Toyo Observe G3 Ice is listed as studdable. Stud installation is regulated by province — Ontario bans studs on most public roads; Quebec permits them seasonally. Verify local rules before installation.
Does the 245/45R19 Toyo Observe G3 Ice support run-flat driving?
No — the 245/45R19 Toyo Observe G3 Ice is not listed as run-flat.
Is the 245/45R19 Toyo Observe G3 Ice an XL (extra load) tire?
Yes — the 245/45R19 Toyo Observe G3 Ice carries an XL (extra load) rating, enabling it to handle higher inflation pressures and greater load capacities than a standard-load equivalent.
Can I order the 245/45R19 Toyo Observe G3 Ice with delivery to Ontario or Quebec?
Yes — XYZTires ships the 245/45R19 Toyo Observe G3 Ice to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).