The New 2026 Grand Design Influence 3503GK is a luxury fifth wheel built for buyers who want residential comfort, upscale design, and a spacious rear living layout. At 38 feet 3 inches with a UVW of 13,500 pounds, this coach offers the room and presence many extended-stay travelers are looking for, while still delivering the polished, modern feel Grand Design is known for.

One of the biggest highlights of the 3503GK is its couples-focused floorplan. This model features a rear living room, kitchen island, free-standing dinette, private bedroom, and fireplace, giving it the kind of open, residential flow that works beautifully for relaxing, entertaining, or longer trips. It also offers a 16 cu. ft. refrigerator, tankless water heater, and sleeping capacity for up to 4, making it a strong option for travelers who want comfort and practicality in one refined package.

The 2026 Influence line also brings strong travel-ready construction and utility features. Official specs list 81 gallons of fresh water, 106 gallons of gray water capacity, 53 gallons of waste water capacity, a 35,000 BTU furnace, and 15,000 BTU A/C. The 3503GK also includes independent suspension with 17.5-inch wheels, plus Grand Design’s Influence Solar Package with a 330W solar panel, controller, and inverter prep.

For buyers looking for a fifth wheel that blends luxury, livability, and premium towable design, the New 2026 Grand Design Influence 3503GK stands out as an excellent choice with residential appeal and strong extended-stay potential.

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