The 2026 Grand Design Lineage marks a bold entry into the motorized market with the Lineage Series F and Series M Class C motorhomes. From smooth highways to rugged backcountry, the Lineage Series F comes standard with Fox Factory suspension that adapts instantly with a turn of a dial for highway comfort, towing stability, or off-road 4x4 capability. Blending commercial muscle with luxury performance, this Super C delivers the confidence, capability, and adventure for a foundation of limitless journey. Meanwhile, the Lineage Series M utilizes the premium Mercedes-Benz Sprinter chassis, delivering fuel efficiency and high-end luxury in a nimble, easy-to-drive profile. Both 2026 Grand Design motorhomes feature the brand's legendary construction quality, modern residential styling, and advanced smart-home integration. With two high-performance diesel options, the Lineage specs cater to every traveler. Explore the 2026 Lineage Series F floorplans and the sophisticated Series M motorhome to find the perfect blend of innovation and comfort for your next journey.