Listed are full spes for this 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S Winter tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG treadwear/traction/temperature grading, and shipping details for Ontario and Quebec.
Why choose the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S?
275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S is positioned as a winter / passenger fitment tire with clear Ontario and Quebec delivery details.
Free shipping • 1–3 business days (Ontario and Quebec)In stockOntario & Quebec delivery focusSpecs, fitment notes, and FAQ on page
Best fit if you want
Cold weather traction, snow performance, and Quebec winter tire compliance.
Drivers who want a dedicated winter set instead of stretching all seasons into winter.
Fitments that require XL (extra load) capacity.
EV fitments where tire load, torque, rolling resistance, and noise can matter more.
Double-check if you need
Warm weather summer use or maximum tread life in hot conditions.
Buying option
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Assist with fitment context, Ontario/Quebec free delivery, and product specific FAQ.
Load / Speed: 110V (Load index 110 supports up to 1060 kg per tire; speed rating V rated up to 240 km/h)
Certifications: 3PMSF severe snow service, XL (Extra Load)
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S Winter
3PMSF severe snow service rating indicated. XL (Extra Load) rating supports higher inflation pressure and carrying capacity than standard load tires.
What these tire specs mean
Load Index 110 is the tire’s standardized carrying capacity, supporting up to 1060 kg per tire. Use it to confirm the tire meets or exceeds the load rating listed on your vehicle placard.
Speed Rating V indicates the tire’s maximum sustained speed capability under proper load and inflation. This is approximately 240 km/h under proper load and inflation.
Winter tires are built for cold weather traction and carry 3PMS for severe snow service.
XL means Extra Load. These tires are designed to carry higher loads at higher inflation pressures than a standard load tire in the same size, which matters for heavier vehicles, loaded vehicles, or factory fitments that require XL.
EV Compatible means the tire is marked as suitable for electric vehicles, where load, torque, rolling resistance, and noise can matter more.
3PMS is the Three Peak Mountain Snowflake symbol, confirming the tire meets recognized severe snow traction performance standards.
Vehicle Type helps identify whether the tire is intended for passenger, light truck, commercial, or similar service categories.
How this tire is positioned
275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S is positioned as a winter 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 tire indicates 3PMS certification for severe snow service, an XL extra load rating, load index 110 and speed rating V (~240 km/h).
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 — Continental CrossContact Winter – 3PMS EV Compatible M+S in 275/45R21
3PMSF severe snow service symbol present.
XL (Extra Load): designed for higher load capacity at higher inflation pressure than standard load tires.
EV compatible design.
Load/Speed: 110V — load index 110 supports up to 1060 kg per tire, while speed rating V is rated up to 240 km/h.
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 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S is a Winter tire bearing the 3PMSF severe snow service symbol, making it eligible to satisfy Quebec’s winter tire mandate.
Vehicles that commonly use 275/45R21 tires
Examples from our vehicle fitment lookup include:
2024 Chevrolet Blazer EV
2024 Mazda CX-90
2024 Mercedes-Benz GLE450e
2023–2024 Mercedes-Benz EQS450
2023–2024 Mercedes-Benz EQS580
2022–2024 Jeep Grand Cherokee
2022–2024 Jeep Grand Cherokee 4xe
2021–2024 Jeep Grand Cherokee L
2021–2024 Mercedes-Benz GLE53
2020–2024 Ford Explorer
More vehicles that use this size
2020–2023 Lincoln Aviator
2020–2024 Mercedes-Benz GLE 53
2020–2024 Mercedes-Benz GLE350
2020 Mercedes-Benz GLE43
2020–2024 Mercedes-Benz GLE450
2020–2024 Mercedes-Benz GLE580
2020–2024 Mercedes-Benz GLE63
2020–2024 Mercedes-Benz GLS450
2020–2024 Mercedes-Benz GLS580
2019 Mercedes-Benz GLE 43
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 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 Continental CrossContact Winter – 3PMS EV Compatible M+S a Winter tire?
Yes — the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S 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.
What does the 110V rating mean on the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S?
On the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S, the service description 110V indicates a load index of 110 and a speed rating of V (approximately 240 km/h). The load index is the tire’s standardized carrying capacity, while the speed rating is the maximum sustained speed under proper load and inflation. Always match or exceed your vehicle manufacturer’s required load and speed ratings.
Is the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S 3PMS rated?
Yes — winter tires like the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S have the 3PMSF (Three-Peak Mountain Snowflake) symbol for severe snow.
Is the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S studdable?
This tire, 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S is not studdable. Contact us for any questions.
Does the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S support run flat driving?
No — the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S is not a run flat.
Is the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S an XL (extra load) tire?
Yes — the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S carries an XL (extra load) rating, enabling it to handle higher inflation pressures and greater load capacities than a standard load equivalent.
What does speed rating V mean on the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S?
Speed rating V on the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S corresponds to a maximum sustained speed of approximately 240 km/h under full load. Always obey posted speed limits regardless of tire rating.
Can I order the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S with delivery to Ontario or Quebec?
Yes — XYZTires ships the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).
Why buy the 275/45R21 Continental CrossContact Winter – 3PMS EV Compatible M+S from XYZTires if another tire looks cheaper?
A lower sticker price is only one part of the tire purchase. Compare the final delivered cost, shipping time, stock status, fitment details, and whether the tire category matches how you drive. XYZTires focuses on clear Ontario and Quebec delivery details, product specifications, and fitment context so you can compare the real delivered value, not just the first price you see.
Other available sizes — Continental CrossContact Winter – 3PMS EV Compatible M+S
