2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $119+ Details
Talk to a Sierra 1500 Sales Tech
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Find Tires for your Sierra 1500
Cooper Discoverer A/T3 XLT Tire (33" - 275/70R18)Find parts that fit my vehicle
Item S521436
$0.00
3 Reviews
Open Box Only - Starting at
$176.39 each
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Discoverer A/T3 XLT Tire
- Perfect for Hauling, Towing, and Off-Road Use
- Boasts an Even Wear Arc Technology™
- Designed with Whisper Grooves™
- Rugged Traction Shoulders
- Features Stone Ejector Ledges
- Tough Tire Compound
- Durable Tread ™ Technology
- Tire Size Is 275/70R18
- Has a Standard Limited Warranty
- Comes with a 60,000-Mile Treadwear Protection
- Fits All GMC Sierra 1500 Models
| Brand | Cooper |
| Tire Model | Discoverer A/T3 XLT |
| Tire Type | All-Terrain |
| Tire Size | 33" - 275/70R18 |
| Tire Diameter | 33 |
| Tire Load Index | 125 (3638 lbs per tire) |
| Tire Load Rating | E |
| Tire Tread Depth | 16/32" |
| Tire Revs Per Mile | 608 |
| Tire Speed Rating | (S) Up to 112mph |
| Tire Weight | 56.54 |
Description
For Trucks That Require a High-Performance Tire. Make your hauling, towing, and off-roading applications even more enjoyable with the Cooper Discoverer A/T3 XLT Tire; 275/70R18. Unlike your vehicle’s stock tires, this upgrade is specifically made to keep up with your high-performance drives. Thanks to this, you’ll have peace of mind when you’re powering through the streets or trails.
High-Quality Tread Design. Featuring Cooper’s Durable Tread™ Technology, the Discoverer tire provides you with an excellent grip on wet and dry driving conditions. It also prevents early tire wear, so you can tear up the rugged off-road terrains with complete confidence.
High-Strength Construction. Even when the trail is covered in gravel, rocks, and various obstacles, this tire can handle all the abuse. It’s constructed from a durable compound, so it won’t easily shed or get punctured no matter how hard you’re driving off-road.
Tear up the Trails with Confidence. Cooper designed this Discoverer tire with stone ejector ledges and rugged traction shoulders. These features help keep tire treads clean, ensuring that you’re getting an excellent grip on wet or dry driving conditions.
Standard Limited Warranty. This tire is covered by a standard limited warranty. To learn more about the warranty’s coverage, please refer to the manufacturer’s website or contact customer support.
Application. The Cooper Discoverer A/T3 XLT Tire; 275/70R18 fits all GMC Sierra 1500 models.
Cooper 90000032604
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Tire
5.0
Customer Reviews (3)
Reviews of Cooper Tire products have an average rating of 4.8 out of 5
Questions & Answers
No questions about this product yet.
Ask the First Question
Most Popular from Mickey Thompson
Sponsored
