Cooper 171106005 Discoverer Rugged Trek All-Terrain Tire 275/55R20 117T XL

The Cooper Discoverer Rugged Trek is a rugged terrain, all-season tire engineered for SUVs and light trucks seeking capable off-road performance with exceptional on-road comfort. This aggressively stylized all-terrain tire emphasizes performance on dry, wet, and wintry conditions, including light snow. This tire carries the Three-Peak Mountain Snowflake symbol, certifying severe snow service capability.

Advanced Tread Technology:

• Aggressive tread design with Earth Digger shoulders and Stable Trac Technology enhances traction on versatile on- and off-road terrain surfaces
• Whisper Groove technology features sound barrier walls that channel airwaves through the footprint, reducing road noise
• Enhanced soft, loose, and uneven terrain grip through increased biting edges and optimized surface contact
• Staggered blocks and high void ratio disperse water and slush, maintaining consistent surface contact
• Self-cleaning tread design with stone blockades ejects rocks from the footprint, preventing casing damage

Construction & Design:

• Robust two-ply casing with twin high-strength steel belts and single-ply nylon reinforcement for durability and high-speed stability
• Dual sidewall designs—choose between "Knife-Edge" styling with straighter shoulder elements or "Mountain Pass" design with jagged mountain peak elements
• Features 16/32" tread depth for extended wear life
• UTQG rating of 600AB for excellent treadwear performance

Cooper backs this tire with a 60,000-mile treadwear warranty for SUV sizes and a 55,000-mile warranty for light truck sizes. The Discoverer Rugged Trek combines excellent on-road traction and comfort with capable off-road toughness, making it the ideal choice for drivers who demand versatility from their tires.