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COOPER DISCOVERER AT3 4S tread pattern

Tire only. Wheel shown for display — sold separately.

COOPER 0.0 (0 reviews)

COOPER DISCOVERER AT3 4S

Starting from $311.31 / tire
Save 11% was $351.27

Lowest of 1 sizes. Pick a size below for exact pricing.

  • Free shipping
  • 30-day returns
  • Best price guarantee

Ships in 1 business day Arrives in 2–5 business days

Or finance through 0% APR

From $25.94/mo over 12 months · soft credit pull

Add installation at checkout — 100+ certified shops nationwide

About this tire

Why drivers choose the COOPER DISCOVERER AT3 4S

The COOPER DISCOVERER AT3 4S

At a glance

  • Speed Rating T
  • Load Index 117
See full technical specifications

Key features

  • Patented Snow Groove Technology: this tire masters snowy conditions with enhanced traction and improves stopping abilities in snowy conditions.

  • Aqua VAC Channels: Aqua VAC Channels swiftly expel water and slush, ensuring superior grip and reducing hydroplaning risks. 

  • 5-Rib, All-Terrain Pattern: The 5-rib, all-terrain pattern allows for seamless transitions from off-road adventures to smooth highway drives, providing enhanced wet and dry traction.

  • Micro Gauged Sipes: Micro gauged sipes boost stability and control, while preventing stone drilling. 

  • Zigzag Sipes: Zigzag sipes maximise your grip with more biting edges, delivering superior traction in all conditions. 

  • Adaptive Traction Technology: Adaptive Traction Technology ensures you conquer various terrains with exceptional grip and control. 

Performance ratings

Performance ratings are aggregated from verified buyer reviews and will appear once sufficient reviews have been collected.

Ratings synthesized from independent tire-test reviews and verified customer feedback.

Spec sheet

Technical specifications for the COOPER DISCOVERER AT3 4S

Catalogue ranges across all 1 sizes. Pick a size to see exact specs for that variant.

Mileage Warranty 65000
Load Capacity 2833
Load Index 117
Max Speed MPH 118
Speed Rating T
Load Range XL
UTQG 620AB
Wet Traction A
Sidewall Blackwall
Tread Design Symmetrical
Tread Depth 12/32 nds
Inflation Pressure 50
Section Width 10.9"
Rim Range 7.5-9.5
Overall Diameter 31.93
Verified reviews

What drivers are saying about the COOPER DISCOVERER AT3 4S

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Customer Q&A

Questions about the COOPER DISCOVERER AT3 4S

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Pick your fit

All available sizes of the COOPER DISCOVERER AT3 4S

Click any size to view fitment and pricing. Check your driver door jamb for the OEM size.

1 sizes available
20" – 20" rim diameter range
$311 starting price / tire

20-inch wheels

1 size
Sold out 275/55R20 117T XL BLK $311.31

Don't see your size? Browse all COOPER tires or shop by vehicle.

Shipping & install

Shipping & installation for the COOPER DISCOVERER AT3 4S

Free shipping

Every order ships free to the contiguous 48 states. Most arrive in 2–5 business days.

100+ Certified installers

Add installation at checkout — we'll route the tires to a certified shop near you.

30-day returns

Unmounted tires can be returned for a full refund within 30 days of delivery.

0% APR financing

Spread cost over 3, 6, or 12 months through Affirm — no hidden fees, soft credit pull.

Shipping details Tap to read
  • Free shipping throughout the United States.
  • Fast shipping by FedEx and UPS.
  • Orders above $800 require signature on delivery.
  • Sales tax applied for orders within California.
  • A valid tracking number is emailed once your order is dispatched.
  • Currently US-only — please contact us for international inquiries.
  • Orders placed before 1 PM PST ship the same day.
  • Express Next-Day, 2nd-Day, and 3rd-Day options are available for an additional fee — please contact us before ordering.
  • Default carrier method is Ground Shipment.
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30-day worry-free returns & cancellations Tap to read
  • Cancellations are accepted only before the order is dispatched. Contact customer support by phone or email to cancel.
  • We accept returns within 30 days after the order is shipped.
  • Buyer pays the return shipping cost.
  • 100% refund if the item is unused and undamaged by the purchaser.
  • 24/7 assistance if a delivered item is not as described or arrives damaged — please contact us for help.
  • Please provide your vehicle's year, make, and model so we can confirm fitment when needed.
  • If an item arrives damaged in transit, please send clear photos of the damage so we can process a replacement.
Read full return policy
COOPER DISCOVERER AT3 4S From $311.31 / tire