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Detailed specifications
Listed are full spes for this 275/45R21 Continental EcoContact 6 Q Summer 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 EcoContact 6 Q?
275/45R21 Continental EcoContact 6 Q is positioned as a summer / 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
Warm weather driving where dry and wet road grip matter more than winter traction.
Drivers who already switch to dedicated winter tires when temperatures drop.
EV fitments where tire load, torque, rolling resistance, and noise can matter more.
Double-check if you need
Quebec winter tire compliance or cold weather winter driving.
A one tire year round setup for Ontario or Quebec.
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XYZTires.com
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Quick Specs
Size: 275/45R21
Brand / Model: Continental EcoContact 6 Q
Season: Summer
Vehicle Type: Passenger
EV Compatible: Yes
Load / Speed: 107Y (Load index 107 supports up to 975 kg per tire; speed rating Y rated up to 300 km/h)
Certifications: —
Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
What these tire specs mean
Load Index 107 is the tire’s standardized carrying capacity, supporting up to 975 kg per tire. Use it to confirm the tire meets or exceeds the load rating listed on your vehicle placard.
Speed Rating Y indicates the tire’s maximum sustained speed capability under proper load and inflation. This is approximately 300 km/h under proper load and inflation.
UTQG 320 A A is the manufacturer treadwear, traction, and temperature grading system. It is useful for comparing tires from the same brand, but it should not be treated as an exact mileage promise.
Summer tires are built for warm weather grip and should not be used as winter tires in Ontario or Quebec cold weather conditions.
EV Compatible means the tire is marked as suitable for electric vehicles, where load, torque, rolling resistance, and noise can matter more.
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 EcoContact 6 Q is positioned as a summer 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 load index 107 and speed rating Y (~300 km/h), UTQG 320 A 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 — Continental EcoContact 6 Q in 275/45R21
EV compatible design.
UTQG: 320 A A — treadwear, traction, and temperature grading to help compare similar tires.
Load/Speed: 107Y — load index 107 supports up to 975 kg per tire, while speed rating Y is rated up to 300 km/h.
Size: 275/45R21 (fits an 21-inch wheel).
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 EcoContact 6 Q a Summer tire?
Yes — the 275/45R21 Continental EcoContact 6 Q is categorized as a Summer tire.
What does the 107Y rating mean on the 275/45R21 Continental EcoContact 6 Q?
On the 275/45R21 Continental EcoContact 6 Q, the service description 107Y indicates a load index of 107 and a speed rating of Y (approximately 300 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 EcoContact 6 Q 3PMS rated?
No — the 275/45R21 Continental EcoContact 6 Q is not listed as 3PMS rated.
Is the 275/45R21 Continental EcoContact 6 Q studdable?
This tire, 275/45R21 Continental EcoContact 6 Q is not studdable. Contact us for any questions.
Does the 275/45R21 Continental EcoContact 6 Q support run flat driving?
No — the 275/45R21 Continental EcoContact 6 Q is not a run flat.
Is the 275/45R21 Continental EcoContact 6 Q an XL (extra load) tire?
No — the 275/45R21 Continental EcoContact 6 Q is not an XL (extra load) tire.
What does speed rating Y mean on the 275/45R21 Continental EcoContact 6 Q?
Speed rating Y on the 275/45R21 Continental EcoContact 6 Q corresponds to a maximum sustained speed of approximately 300 km/h under full load. Always obey posted speed limits regardless of tire rating.
Can I order the 275/45R21 Continental EcoContact 6 Q with delivery to Ontario or Quebec?
Yes — XYZTires ships the 275/45R21 Continental EcoContact 6 Q to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).
Why buy the 275/45R21 Continental EcoContact 6 Q 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 EcoContact 6 Q
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