2026 Grand Design Foundation 42GD

2026 Grand Design Foundation Travel Trailer (Towable RV) with Slideouts, Rear & Bunkhouse Options

Step into effortless comfort with the 2026 Grand Design Foundation, a feature-rich towable RV travel trailer designed for memorable road trips and easy weekend getaways. Built with modern livability in mind and engineered for confident towing as a bumper pull trailer, this Grand Design Foundation (stock 15773) offers spacious interior planning with two slideouts and flexible floor plan versatility—perfect for families, friends, and campers who want it all.

Roomy Layouts for Every Adventure

The Foundation line can suit multiple lifestyles with popular floor plan styles such as Bunkhouse, Front Bedroom, Mid Kitchen, Outdoor Entertainment, Rear Entertainment, and Rear Living Area. With 6 sleeping capacity, there’s space to relax, dine, and recharge after a day outdoors.

Impressive Comfort & Onboard Conveniences

This travel trailer is stocked with everyday essentials and upgraded amenities to keep you comfortable anywhere you park. Enjoy climate control with one air conditioner rated at 45,000 BTUs, plus a well-equipped kitchen and entertainment-ready living space.

• Length: 48 feet 6 inches
• Width (overall): 8 feet 5 inches
• GVWR: 18,000 lbs
• Dry Weight: 14,814 lbs
• Fresh Water Capacity: 83 gallons
• Gray Water Capacity: 106 gallons
• Black Water Capacity: 53 gallons
• 50 Amp Service for reliable power
• Two slideouts to expand living space

Kitchen, Safety, and Entertainment Included

From quick meals to nighttime unwind, the included appliances and safety systems help make this towable RV feel like home.

• Microwave, Refrigerator, and Stove Top Burner
• Water Heater, Shower, and Toilet
• TV for indoor entertainment
• Awning and Outdoor-ready features
• Leveling Jacks and Ladder
• CO Detector, Smoke Detector, LP Detector, Fire Extinguisher
• Non-Smoking Unit with medicine cabinet storage

Choose the Grand Design Foundation to experience a modern travel trailer lifestyle with space, comfort, and confidence—ready for the open road in 2026.