2019-2025
2014-2018
2007-2013
1999-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
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Cooper Discoverer Rugged Trek Tire (33" - 275/70R18)Find parts that fit my vehicle
Item S521438
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$329.99 each
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Discoverer Rugged Trek Tire
- Built for Extreme Off-Road Adventures
- Features Internal Steel Belts
- Delivers Excellent Grip During Winter
- Made Using the Enduraguard™ Design
- Heavy-Duty Tread Pattern
- Tire Size Is 275/70R18
- Includes a Standard Limited Warranty
- Has a 60,000-Mile Treadwear Protection
- Fits All GMC Sierra 1500 Models
| Brand | Cooper |
| Tire Type | All-Season |
| Tire Diameter | 33 |
| Wheel Diameter | 18 |
| Tire Size | 33" - 275/70R18 |
| Tire Load Index | 125 (3638 lbs per tire) |
| Tire Load Range | E |
| Tire Model | Discoverer Rugged Trek |
| Tire Speed Rating | (Q) Up to 99mph |
| Tire Tread Depth | 18/32" |
| Tire Revs Per Mile | 599 |
| Tire Weight | 59 |
Description
Ready for the Off-Road Terrains. Suit up your GMC Sierra 1500 for the rugged off-road environments with the help of the Cooper Discoverer Rugged Trek Tire; 275/70R18. With its heavy-duty construction and excellent traction, you can confidently conquer any terrain rain or shine.
High-Quality Tread Pattern. Not only does Cooper’s Durable Tread™ Technology increases the tread’s strength and service life, but its remarkable pattern also helps keep your rides quiet. You can rest assured that you’ll get pleasant drives whether you’re on your daily commute or rugged off-road adventure.
Boasts the Enduraguard™ Design. This tire is constructed with Cooper’s Enduraguard™. This means that the tire boasts a durable internal construction, which helps keep the tire’s shape and durability intact when exposed to rough and uneven surfaces.
Can Endure the Harshest Driving Conditions. Featuring internal steel belts, this tire offers a tougher off-road performance than your vehicle’s stock units. It also comes with saw-tooth grooves to enhance the tire’s grip during winter, keeping you safe when driving on snowy or icy roads.
Covered by a Standard Limited Warranty. Cooper’s standard limited warranty is included with every Discoverer Rugged Trek tire sold. To learn more about the warranty’s terms and exclusions, please refer to the manufacturer’s website or contact customer support.
Application. The Cooper Discoverer Rugged Trek Tire; 275/70R18 fits all GMC Sierra 1500 models.
Cooper 90000036406
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
4.7
Customer Reviews (6)
Reviews of Cooper Tire products have an average rating of 4.8 out of 5
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