On this page you’ll find the full specifications for this 235/50R18 Michelin Primacy Tour AS All Season 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: 235/50R18
Brand / Model: Michelin Primacy Tour AS
Season: All Season
Certifications: —
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
235/50R18 Michelin Primacy Tour AS All Season
How this tire is positioned
235/50R18 Michelin Primacy Tour AS is positioned as a all season tire built around a 235 mm section width and 18-inch wheel fitment.
In practical terms, this size combines a 50-series sidewall of about 118 mm with a 18-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates UTQG 540 A A when provided by the manufacturer.
About the 235/50R18 tire size
The 235/50R18 size breaks down as follows:
235 — tread width in millimetres
50 — sidewall height as a percentage of tread width (approx. 118 mm)
R18 — fits a 18-inch rim
The 235/50R18 size is commonly found on mid-size SUVs, crossovers, and sport sedans. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.
Key features — Michelin Primacy Tour AS in 235/50R18
UTQG: 540 A A (when provided by manufacturer).
Size: 235/50R18 (fits an 18-inch wheel).
Season category: All Season.
Quebec winter tire mandate — note for all-season tires
Quebec requires winter tires from December 1 to March 15. The 235/50R18 Michelin Primacy Tour AS is an all-season tire — standard all-season tires generally do not satisfy Quebec’s mandatory winter tire requirement unless they carry the 3PMS symbol. Consider a dedicated winter or all-weather tire for Quebec driving.
Warranty
Warranty: 90000
This warranty is provided by Michelin and applies subject to normal use and service conditions. Contact us or the manufacturer directly for claim procedures and exclusions.
Find tires for your vehicle
Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:
Frequently asked questions — 235/50R18 Michelin Primacy Tour AS All Season
What does the 235/50R18 tire size mean?
The 235/50R18 size indicates a tread width of 235 mm, a sidewall ratio of 50% (approximately 118 mm tall), and a 18-inch rim diameter. This size is commonly found on mid-size SUVs, crossovers, and sport sedans.
Is the 235/50R18 Michelin Primacy Tour AS a All Season tire?
Yes — the 235/50R18 Michelin Primacy Tour AS is categorized as a All Season tire. All-season tires are designed for year-round use in mild conditions but may not satisfy Quebec’s mandatory winter tire requirement unless they carry the 3PMS symbol.
Is the 235/50R18 Michelin Primacy Tour AS 3PMS rated?
The listing for the 235/50R18 Michelin Primacy Tour AS does not specify 3PMS certification. Verify with the manufacturer’s specification sheet for confirmation.
Is the 235/50R18 Michelin Primacy Tour AS studdable?
The listing for the 235/50R18 Michelin Primacy Tour AS does not specify studdable capability. Contact us or check the manufacturer’s documentation for confirmation.
Does the 235/50R18 Michelin Primacy Tour AS support run-flat driving?
No — the 235/50R18 Michelin Primacy Tour AS is not listed as run-flat.
Is the 235/50R18 Michelin Primacy Tour AS an XL (extra load) tire?
No — the 235/50R18 Michelin Primacy Tour AS is not listed as XL (extra load).
Can I order the 235/50R18 Michelin Primacy Tour AS with delivery to Ontario or Quebec?
Yes — XYZTires ships the 235/50R18 Michelin Primacy Tour AS to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).