2026 Grand Design Momentum G-Class 21G Built for the Wild and Ready to Ride

Whether you're chasing off-road thrills or hauling gear to your next remote campsite, the 2026 Momentum G-Class 21G from Grand Design is your gateway to freedom. This compact, powerful toy hauler packs everything you need to load up, head out, and live large wherever adventure calls.

Designed for Comfort and Capability

14' Garage Versatile garage space with Happi-Jac rollover sofas, room for ATVs, dirt bikes, kayaks, and gear, plus an optional top bed to sleep more guests
Ramp Door/Patio System Dual-purpose ramp door converts to a rear patio for lounging or entertaining after the toys are unloaded
Euro-Style Chairs Modern, ultra-comfortable swivel chairs for relaxing or prepping for the next ride
Walk-Around Queen Bed Slide Spacious master suite with residential queen bed on a slide for more floor space and easier access
Dual Entry Bath Private access from the bedroom or main living area, plus a skylight over the shower for natural light
19' Power Awning Expands your outdoor living space with LED lighting for evenings under the stars

Haul More, Stay Longer

Fuel Station w/ Interior & Exterior Gauge Top off your machines without leaving camp
2,500-LB Tie-Downs Anchored Into the Chassis Heavy-duty anchoring ensures your gear stays secure no matter the terrain
Dovetail Rear End Easy loading and unloading for all types of toys
Moisture Barrier Floor Enclosure Keeps your floor protected and tough through all seasons

Four-Season Travel Made Easy

The G-Class 21G is built to handle the elements so you can travel any time of year with confidence.

Insulation Package Heated and enclosed underbelly, suspended tanks, cabinet-mounted heat ducts, high-capacity furnace, and moisture barrier floor
Ducted A/C and Furnace Residential climate control keeps the interior cozy or cool no matter the weather
Shower Skylight Adds headroom and natural lighting for a residential bath feel

Interior That Feels Like Home

Residential Cabinetry Sturdy, beautiful storage that holds up to the road
Large Panoramic Windows Let in views of the trail, forest, or lakefront
USB Charging Ports Stay connected with easy-access charging in the bedroom and throughout
LED Interior Lighting Efficient, bright, and stylish

Adventure Meets Comfort

Whether you're heading into the mountains or posted up at a desert rally, the Momentum G-Class 21G gives you the freedom to go hard all day and relax in style at night. The flexible garage converts quickly from cargo hauler to comfortable living space, making it ideal for both play and downtime. From early-morning trail rides to evenings by the fire, this toy hauler is your all-in-one adventure basecamp.

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