New 2026 Grand Design Lineage

The 2025 Grand Design Lineage 25FW is a premium Class C diesel motorhome that combines luxury, innovative technology, and efficient design in a compact 258 frame. Built on a Mercedes-Benz Sprinter 4500 chassis, it features a twin-turbo 2.0L inline-4 engine delivering 208 horsepower and 332 lb-ft of torque, paired with a 9G-Tronic automatic transmission for smooth and confident driving.

Inside, the 25FW offers a spacious layout with a full-wall slide, accommodating up to four people. The living area includes power theater seating or an optional booth dinette, a 70 x 80 king-size bed, and a cab-over bunk with dedicated A/C ducts. The kitchen is equipped with a two-burner propane cooktop, convection microwave, 10 cu. ft. 12V refrigerator, and solid-surface countertops. A full rear bath features a 24 x 34 shower, toilet, and vanity.

Notable features include a 16 power awning, 15,000 BTU A/C, 30,000 BTU furnace, tankless water heater, 600W solar panels, dual 130Ah lithium batteries, and a 1,000W inverter. The MORryde Steel Halo Chassis uplift enhances handling and ride quality. With a GVWR of 12,125 lbs and a towing capacity of 7,500 lbs, the Lineage 25FW is ideal for both short getaways and extended adventures.