Additional information
| Season | |
|---|---|
| width | |
| profile | |
| diameter | |
| Load Index | |
| Speed Index | |
| Brand | |
| Vehicle Type | Passenger |
| Sidewall | Black Sidewall |
| Min Wheel Width | 9.5 |
| Max Wheel Width | 11 |
| uTQG | 420 AA A |
| XL | XL |
Description
Why the Kumho Ecsta PS71 is the Best Summer Performance Tire
Ah…the endless quest to find the best summer performance tires. In a world filled with flashy advertisements and tires that promise to change your life (or your car’s grip…at least)…I’m here to dish out some sarcasm and truth. Let’s talk about the Kumho Ecsta PS71-Max Performance Summer as if you didn’t have enough choices already…and your poor 285/40R21 tires haven’t seen enough drama. Why? Because your vehicle deserves nothing but the finest in performance during those blissful…scorching summer months.
You might be asking…”What makes the Kumho Ecsta PS71 so special?” What am I…a tire whisperer? Apparently…yes. With revolutionary features designed to withstand the highways and byways…this tire brandishes an indescribable level of grip and control. The kind of performance where you’ll question if the road stuck to your tires…not the other way around. If precision handling during summer drives is your jam…well…this one’s going to spread itself nicely on your automotive toast.
Do You Feel the Tech Vibe?
In case you didn’t get the memo from the tech gods…the Kumho Ecsta PS71 is built with advanced silica compound technology. Translation: it’s all set to boost wet and dry traction. It’s like a fitness guru for your car…except the results are immediate and you don’t have to pretend to like quinoa. Meanwhile…the asymmetric tread design ensures stability and performance that feels like it’s tailored for your summer thrill rides…keeping your 285/40R21 tires in check.
The Does-It-All Tire
Now…if you’re someone who enjoys extra quiet summer drives between your children’s endless debates in the backseat…of course the Kumho Ecsta PS71 showcases a let’s-be-civil’ noise reduction design. So instead of hearing your own tires’ existential crisis at every turn…all you’ll get is serenity…clear performance…and zero long-winded stories. Well…at least from the tires.
Final Verdict: A Tire Match Made in Summer Heaven
Let’s face it…when searching for the best summer performance tires for your vehicle…do you really want something that doesn’t perform like a Formula 1 race at the drop of a hat? Whether you’ve got some road trips…highway escapades…or just a need for speed the Kumho Ecsta PS71-Performance Summer tire is your VIP pass to a seamless drive. Your 285/40R21 is about to live its best life…and so are you. So here’s to the open road…and tires that make the journey all that more memorable. But no pressure…only the best will do.
Detailed specifications
Listed are full spes for this 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance 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 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance?
285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is positioned as a summer / performance focused / passenger fitment tire with clear Ontario and Quebec delivery details.
Free shipping • 1–3 business days (Ontario and Quebec)OutofstockOntario & Quebec delivery focusSpecs, fitment notes, and FAQ on page
Best fit if you want
- Warm weather grip, responsive steering, and sportier handling.
- Drivers who already switch to dedicated winter tires when temperatures drop.
- Fitments that require XL (extra load) capacity.
Double-check if you need
- Quebec winter tire compliance or cold weather winter driving.
- A one tire year round setup for Ontario or Quebec.
| Buying option | What to compare |
|---|---|
| Lowest sticker price tires | Check shipping, stock status, delivery timing, and whether the final landed cost is still lower after checkout. |
| XYZTires.com | Assist with fitment context, Ontario/Quebec free delivery, and product specific FAQ. |
Quick Specs
- Size: 285/40R21
- Brand / Model: Kumho Ecsta PS71-Max Performance Summer – Performance
- Season: Summer
- Vehicle Type: Passenger
- Load / Speed: 109Y (Load index 109 supports up to 1030 kg per tire; speed rating Y rated up to 300 km/h)
- Certifications: XL (Extra Load)
- Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)
285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance Summer
XL (Extra Load) rating supports higher inflation pressure and carrying capacity than standard load tires.
What these tire specs mean
- Load Index 109 is the tire’s standardized carrying capacity, supporting up to 1030 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 420 AA 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.
- 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.
- Vehicle Type helps identify whether the tire is intended for passenger, light truck, commercial, or similar service categories.
How this tire is positioned
285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is positioned as a summer tire built around a 285 mm section width and 21-inch wheel fitment.
In practical terms, this size combines a 40-series sidewall of about 114 mm with a 21-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature wise, this tire indicates an XL extra load rating, load index 109 and speed rating Y (~300 km/h), UTQG 420 AA A when provided by the manufacturer.
About the 285/40R21 tire size
The 285/40R21 size breaks down as follows:
- 285 — tread width in millimetres
- 40 — sidewall height as a percentage of tread width (approx. 114 mm)
- R21 — fits a 21-inch rim
The 285/40R21 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 — Kumho Ecsta PS71-Max Performance Summer – Performance in 285/40R21
- XL (Extra Load): designed for higher load capacity at higher inflation pressure than standard load tires.
- UTQG: 420 AA A — treadwear, traction, and temperature grading to help compare similar tires.
- Load/Speed: 109Y — load index 109 supports up to 1030 kg per tire, while speed rating Y is rated up to 300 km/h.
- Size: 285/40R21 (fits an 21-inch wheel).
Vehicles that commonly use 285/40R21 tires
Examples from our vehicle fitment lookup include:
- 2020–2024 Audi SQ7
- 2019–2023 Porsche Cayenne
- 2016–2024 Audi Q7
Find tires for your vehicle
Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:
Shop more tires — Ontario & Quebec delivery
Frequently asked questions — 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance Summer
What does the 285/40R21 tire size mean?
The 285/40R21 size indicates a tread width of 285 mm, a sidewall ratio of 40% (approximately 114 mm tall), and a 21-inch rim diameter. This size is commonly found on performance vehicles and heavy duty trucks.
Is the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance a Summer tire?
Yes — the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is categorized as a Summer tire.
What does the 109Y rating mean on the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance?
On the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance, the service description 109Y indicates a load index of 109 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 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance 3PMS rated?
No — the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is not listed as 3PMS rated.
Is the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance studdable?
This tire, 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is not studdable. Contact us for any questions.
Does the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance support run flat driving?
No — the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance is not a run flat.
Is the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance an XL (extra load) tire?
Yes — the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance 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 Y mean on the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance?
Speed rating Y on the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance 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 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance with delivery to Ontario or Quebec?
Yes — XYZTires ships the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).
Why buy the 285/40R21 Kumho Ecsta PS71-Max Performance Summer – Performance 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 — Kumho Ecsta PS71-Max Performance Summer – Performance
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