On this page you’ll find the full specifications for this 235/55R19 Toyo Observe Gsi 6 LS 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: 235/55R19
Brand / Model: Toyo Observe Gsi 6 LS
Season: Winter
Certifications: 3PMSF severe snow service
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
235/55R19 Toyo Observe Gsi 6 LS Winter
3PMSF severe snow service rating indicated.
How this tire is positioned
235/55R19 Toyo Observe Gsi 6 LS is positioned as a winter tire built around a 235 mm section width and 19-inch wheel fitment.
In practical terms, this size combines a 55-series sidewall of about 129 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.
About the 235/55R19 tire size
The 235/55R19 size breaks down as follows:
235 — tread width in millimetres
55 — sidewall height as a percentage of tread width (approx. 129 mm)
R19 — fits a 19-inch rim
The 235/55R19 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 Gsi 6 LS in 235/55R19
3PMSF severe snow service symbol indicated.
Size: 235/55R19 (fits an 19-inch wheel).
Season category: Winter.
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 235/55R19 Toyo Observe Gsi 6 LS 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 235/55R19 size indicates a tread width of 235 mm, a sidewall ratio of 55% (approximately 129 mm tall), and a 19-inch rim diameter. This size is commonly found on sport sedans, coupes, and luxury vehicles.
Is the 235/55R19 Toyo Observe Gsi 6 LS a Winter tire?
Yes — the 235/55R19 Toyo Observe Gsi 6 LS 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 235/55R19 Toyo Observe Gsi 6 LS 3PMS rated?
Yes — the 235/55R19 Toyo Observe Gsi 6 LS carries the 3PMSF (Three-Peak Mountain Snowflake) severe snow service symbol, confirming it meets recognized winter traction performance standards.
Is the 235/55R19 Toyo Observe Gsi 6 LS studdable?
The listing for the 235/55R19 Toyo Observe Gsi 6 LS does not specify studdable capability. Contact us or check the manufacturer’s documentation for confirmation.
Does the 235/55R19 Toyo Observe Gsi 6 LS support run-flat driving?
No — the 235/55R19 Toyo Observe Gsi 6 LS is not listed as run-flat.
Is the 235/55R19 Toyo Observe Gsi 6 LS an XL (extra load) tire?
No — the 235/55R19 Toyo Observe Gsi 6 LS is not listed as XL (extra load).
Can I order the 235/55R19 Toyo Observe Gsi 6 LS with delivery to Ontario or Quebec?
Yes — XYZTires ships the 235/55R19 Toyo Observe Gsi 6 LS to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).