On this page you’ll find the full specifications for this 275/45R21 Michelin Latitude Sport 3 Summer 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: 275/45R21
Brand / Model: Michelin Latitude Sport 3
Season: Summer
Certifications: —
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
275/45R21 Michelin Latitude Sport 3 Summer
Category: Truck/SUV Summer – Sport
The Michelin Latitude Sport 3 is a summer high performance tire intended for use on SUV's and Crossovers. The Latitude Sport 3 offers excellent dry grip and performance capability. They are designed with a low rolling tread design that increases fuel efficiency. As with all summer tires, they are not intended for use in wintry driving conditions. It also has a 20,000 mile tread life warranty for all sizes.
How this tire is positioned
275/45R21 Michelin Latitude Sport 3 is positioned as a summer / truck/suv summer – sport tire built around a 275 mm section width and 21-inch wheel fitment.
In practical terms, this size combines a 45-series sidewall of about 124 mm with a 21-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates UTQG 220 AA A when provided by the manufacturer.
About the 275/45R21 tire size
The 275/45R21 size breaks down as follows:
275 — tread width in millimetres
45 — sidewall height as a percentage of tread width (approx. 124 mm)
R21 — fits a 21-inch rim
The 275/45R21 size is commonly found on performance vehicles and heavy-duty trucks. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.
Key features — Michelin Latitude Sport 3 in 275/45R21
UTQG: 220 AA A (when provided by manufacturer).
Size: 275/45R21 (fits an 21-inch wheel).
Season category: Summer.
Warranty
Warranty: 30000
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 — 275/45R21 Michelin Latitude Sport 3 Summer
What does the 275/45R21 tire size mean?
The 275/45R21 size indicates a tread width of 275 mm, a sidewall ratio of 45% (approximately 124 mm tall), and a 21-inch rim diameter. This size is commonly found on performance vehicles and heavy-duty trucks.
Is the 275/45R21 Michelin Latitude Sport 3 a Summer tire?
Yes — the 275/45R21 Michelin Latitude Sport 3 is categorized as a Summer tire.
Is the 275/45R21 Michelin Latitude Sport 3 3PMS rated?
The listing for the 275/45R21 Michelin Latitude Sport 3 does not specify 3PMS certification. Verify with the manufacturer’s specification sheet for confirmation.
Is the 275/45R21 Michelin Latitude Sport 3 studdable?
The listing for the 275/45R21 Michelin Latitude Sport 3 does not specify studdable capability. Contact us or check the manufacturer’s documentation for confirmation.
Does the 275/45R21 Michelin Latitude Sport 3 support run-flat driving?
No — the 275/45R21 Michelin Latitude Sport 3 is not listed as run-flat.
Is the 275/45R21 Michelin Latitude Sport 3 an XL (extra load) tire?
No — the 275/45R21 Michelin Latitude Sport 3 is not listed as XL (extra load).
Can I order the 275/45R21 Michelin Latitude Sport 3 with delivery to Ontario or Quebec?
Yes — XYZTires ships the 275/45R21 Michelin Latitude Sport 3 to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).