2020 Entegra CORNERSTONE 45F,
2020 Entegra Coach Cornerstone 45F
The 2020 Entegra Coach Cornerstone 45F is a flagship luxury Class A diesel motorhome engineered to deliver exceptional ride quality, performance, and residential-style comfort. Built on the Spartan K3 raised-rail chassis, the Cornerstone is powered by a Cummins X15 15.0L turbocharged diesel engine producing 605 horsepower and 1,950 lb-ft of torque, paired with an Allison 4000 MH 6-speed transmission.
Designed as one of the most premium coaches in the Entegra lineup, the Cornerstone features exclusive construction elements including an X-Bridge frame, five-inch-thick insulated floors, and residential-style insulated walls and roof designed to reduce noise, vibration, and energy transfer. Additional chassis enhancements include independent front suspension, Bilstein shocks, electronic stability control, adaptive cruise control with collision warning, automatic hydraulic leveling, and Valid air leveling technology.
The 45F floorplan offers four slide-outs and sleeping accommodations for up to six people within a spacious 44'11" coach. The layout features a bath-and-a-half design, luxury furnishings, residential appliances, abundant storage, and a private rear master suite designed for extended travel and full-time living comfort.
Luxury amenities throughout the Cornerstone emphasize high-end residential living, while premium construction and insulation technologies contribute to the quiet, refined travel experience that has become a hallmark of the Entegra brand. The coach also benefits from Michelin motorhome tires, all-wheel ABS disc brakes, and a robust chassis warranty package supported by Spartan and Cummins.
Combining powerful diesel performance, advanced safety technologies, sophisticated construction, and upscale residential accommodations, the 2020 Entegra Coach Cornerstone 45F represents the pinnacle of luxury motorhome travel, making it ideal for extended touring and full-time RV lifestyles.