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COOPER Discoverer STT PRO tread pattern

Tire only. Wheel shown for display — sold separately.

COOPER 3.7 (6 reviews)

COOPER Discoverer STT PRO

Starting from $506.54 / tire
Save 7% was $546.50

Lowest of 2 sizes. Pick a size below for exact pricing.

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  • 30-day returns
  • Best price guarantee

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

Or finance through 0% APR

From $42.21/mo over 12 months · soft credit pull

Add installation at checkout — 100+ certified shops nationwide

About this tire

Why drivers choose the COOPER Discoverer STT PRO

The COOPER Discoverer STT PRO

At a glance

  • Speed Rating Q
  • Load Index 126
See full technical specifications

Key features

  • Rock Climber Sidewall Technology: Conquers the toughest obstacles.

  • Stone Armor Technology: Protects against sharp rocks and debris.

  • Special Tread Pattern: Enhances traction on mud, gravel, dirt, and rocks.

  • Self-Cleaning Design: Maintains traction by keeping the tread clean.

  • Armor-TEK3 Construction: Increases stability and protects against punctures and tears.

  • Silica-Based Compound: Ensures excellent performance in wet, dry, and light winter conditions.

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 STT PRO

Catalogue ranges across all 2 sizes. Pick a size to see exact specs for that variant.

Load Capacity 3748
Load Index 126
Max Speed MPH 100
Speed Rating Q
Load Range E
Sidewall Blackwall
Verified reviews

What drivers are saying about the COOPER Discoverer STT PRO

Based on 6 verified customer reviews.

3.7

Based on 6 verified reviews

  • 5 ★
    0
  • 4 ★
    0
  • 3 ★
    2
  • 2 ★
    4
  • 1 ★
    0
  • Aman Ullah Verified buyer ·
    Jun 12, 2024

    The COOPER Discoverer STT PRO LT35X12.50R20 tires I purchased from TireRyder.com have exceeded my expectations. They provide excellent traction on both wet and dry roads, and the aggressive tread design looks great on my truck. I highly recommend these tires for anyone looking for durability and performance.

  • Aman Ullah Verified buyer ·
    Jun 11, 2024

    I recently bought the COOPER Discoverer STT PRO LT35X12.50R20 tires from TireRyder.com and have been impressed with their performance. These tires provide excellent grip on off

  • Aman Ullah Verified buyer ·
    Jun 6, 2024

    The COOPER Discoverer STT PRO LT37X12.50R20 tires are good overall, but I found them to be a bit noisy on the highway. However, they perform well in various weather conditions.

  • Aman Ullah Verified buyer ·
    Apr 24, 2024

    I am impressed with the performance of the COOPER Discoverer STT PRO LT37X12.50R20 tires. They have excellent grip on both wet and dry roads, making them a reliable choice for any driver.

  • Aman Ullah Verified buyer ·
    Apr 14, 2024

    The COOPER Discoverer STT PRO LT37X12.50R20 tires are excellent in off

  • Aman Ullah Verified buyer ·
    Mar 18, 2024

    The COOPER Discoverer STT PRO LT35X12.50R20 tires are good overall. They handle well in various road conditions and have a rugged appearance. However, I did notice some noise at higher speeds, which can be a bit distracting. Despite this, I am satisfied with my purchase from TireRyder.com.

Customer Q&A

Questions about the COOPER Discoverer STT PRO

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Pick your fit

All available sizes of the COOPER Discoverer STT PRO

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

2 sizes available
20" – 20" rim diameter range
$507 starting price / tire

20-inch wheels

2 sizes
Sold out LT37X12.50R20 $506.54 Sold out LT35X12.50R20 $506.54

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

Shipping & install

Shipping & installation for the COOPER Discoverer STT PRO

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 STT PRO From $506.54 / tire