CooperDiscoverer ATP II275 /55 R20 117H XL BSW

Get confident all-terrain capability from the Cooper Discoverer ATP II 275/55R20 117H XL BSW, an exclusive all-terrain tire built for pickups and SUVs that need confident off-road traction, wet-road control, and steady highway manners. This 275/55R20 Discoverer ATP II is a popular fitment for select GMC Sierra 1500, Ram 1500, Toyota Tundra, Nissan Armada, Ford F-150, Chevrolet Silverado 1500 models, plus similar half-ton pickups, full-size SUVs, and larger-wheel adventure builds using 20-inch wheels.

Best for: half-ton and heavy-duty truck fitments that need durable shoulder traction, stability, and a composed highway feel on larger-wheel pickups and full-size SUVs, especially in a 275/55R20 size with 117H XL capability.

Why choose the Cooper Discoverer ATP II in 275/55R20?

• All-terrain traction: Alternating shoulder scallops and wide off-road shoulder tread blocks help the ATP II dig into loose terrain like dirt, mud, gravel, and sand.

• Wet and winter-road control: Wet Grip Grooves and Snow Claw technology help support grip on rainy pavement, slushy roads, and light winter conditions.

• Durability for truck use: Stone Ejector Ledges help reduce stone retention, while rugged shoulder lugs add traction in aired-down driving and help resist damage away from pavement.

• Highway stability: A solid center rib, stable tread area, interlocking sipes, and durable tread compound help deliver predictable handling and long-lasting all-terrain performance.

• Comfort and warranty: Proprietary tread block sizing and spacing support a smoother, quieter ride, and the Cooper Discoverer ATP II is backed by a 60,000-mile manufacturer's treadwear warranty.

Popular vehicle fitments for 275/55R20 Cooper Discoverer ATP II

This tire size is commonly shopped for select trims or replacement applications of the GMC Sierra 1500, Ram 1500, Toyota Tundra, Nissan Armada, Ford F-150, and Chevrolet Silverado 1500. It is also a strong all-terrain option for comparable vehicles that use the same tire size, load range, speed rating, wheel diameter, and sidewall designation.

Size and rating details

• 275/55R20: This size is designed for 20-inch wheels and is a practical choice for full-size pickups and SUVs that need all-terrain style, wet-road control, and highway stability.

• 117H XL: The 117H XL service description adds extra load capacity for heavier trims, cargo, passengers, and larger-wheel truck or SUV applications.

• BSW: This version uses black sidewall styling.

• Speed capability: This size carries H-rated speed capability for composed highway response on larger-wheel truck and SUV applications.