2026 Grand Design Foundation 42GD

Grand Design Foundation 42GD Travel Trailer — Premium Towable RV for Family Adventures

Meet the 2026 Grand Design Foundation 42GD, a high-end recreational vehicle designed for comfort, function, and lasting memories. This 48 feet 6 inches long, 8 feet 5 inches wide travel trailer rides on a 101-inch wide body chassis for stability on the road and at the campsite. With two slide-outs, the interior opens into a welcoming living area that accommodates a large family or group of friends. A robust GVWR of 18,000 pounds and a dry weight of 15,308 pounds deliver a generous payload of 2,692 pounds and a hitch weight of 2,794 pounds, while remaining a convenient bumper-pull RV for easy tow handling. It stores 83 gallons of fresh water, 106 gallons of grey water, and 53 gallons of black water, and can sleep up to eight people thanks to flexible sleeping arrangements.

Inside, luxury meets practicality with a full suite of kitchen and laundry amenities, including a convection microwave, standard microwave, a dishwasher, and a full-size washer and dryer (with washer/dryer prep for added flexibility). The living area features leather furniture and a cozy fireplace, while solid surface countertops and a generous pantry deliver everyday convenience. An enclosed underbelly provides protection in colder climates, and three 15,000 BTU air conditioners with a heat pump maintain comfortable temperatures across seasons. With three climate zones, you’ll enjoy efficient comfort whether you’re traveling or parked in a resort setting.

Key Specifications

• Year: 2026
• Brand/Model: Grand Design Foundation 42GD
• Type: Travel Trailer (Towable RV)
• Length: 48 feet 6 inches
• Width: 8 feet 5 inches
• Height: 12 feet 6 inches
• GVWR: 18,000 pounds
• Dry Weight: 15,308 pounds
• Payload Capacity: 2,692 pounds
• Hitch Weight: 2,794 pounds
• Slides: 2
• Sleeps: 8
• Fresh Water: 83 gallons
• Grey Water: 106 gallons
• Black Water: 53 gallons
• A/C: 3 x 15,000 BTU with Heat Pump
• Hitch Type: Bumper Pull
• Chassis: 101" Wide Body Frame
• Exterior Doors: 2
• Stock Number: 15774

Interior Comfort and Luxury

• Convection Microwave and Microwave for versatile meal prep
• Dishwasher and full-size Washer/Dryer with prep option
• Leather furniture for a premium living space
• Fireplace for cozy ambience
• Solid surface countertops and large pantry for everyday cooking and storage

Exterior Confidence and All-Season Readiness

• Enclosed underbelly for four-season protection
• Three 15K BTU A/C units with heat pump
• Washer/Dryer Prep and ample storage for longer trips
• Two entry doors for convenient access