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2026 Grand Design Momentum G-Class 21G
NewStock #109501
Listing price
2026 Momentum G-Class 21G
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
For a 27-foot travel trailer, the 21G punches well above its class. Owners consistently describe it as feeling more like a high-end fifth wheel than a towable. The 14-foot garage is the centerpiece, anchored by a laminated aluminum ramp door (R-12) that flips down into a patio, and the layout keeps the living area and full bath well separated from the hauler space. A 30-gallon onboard fuel station with both interior and exterior gauges is a genuinely useful touch for riders who hate making extra gas runs. The Rockford Fosgate speaker package with powered sub and under-unit accent lighting give the exterior setup real weekend-party energy, and solar prep with 10-gauge wiring and universal MC4 connectors makes adding panels straightforward.
Length
26 ft 11 in
Dry weight
7,970 lbs
GVWR
11,000 lbs
Sleeps
4
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
$56,999 – $79,900
This unit is ranked 7 of 48 by asking price in this group.
The listing price on this unit has changed 5 times.
See the complete price timeline and the rest of this unit's pricing insights.
Campers Inn RV
Clarksville, IN
Compared with 1,133 dealers nationwide
Grand Design Momentum G-Class 21G Toy Hauler
Built for riders, explorers, and weekend warriors who want comfort without compromise, the Grand Design Momentum G-Class 21G delivers serious capability in a manageable and versatile toy hauler. This model blends rugged construction with residential-style features, making it easy to bring your toys and still enjoy a relaxing home base after a full day of adventure.
Key Features
Private master suite with walk-around queen bed slide
Dual-entry bathroom with direct access from the bedroom
Spacious 14-foot garage with durable tie-downs for your toys
Euro chairs that provide comfortable seating and flexible living space
Ramp door that converts into a patio for outdoor relaxation
The Momentum 21G proves that you do not have to rough it to enjoy the off-road lifestyle. The front master suite offers a true retreat, complete with a queen bed slide that opens up the room and allows for easy movement. Private access to the bathroom adds everyday convenience, especially on longer trips. In the rear, the garage doubles as a versatile living area with rollover sofas and an optional top bed, giving friends or family a comfortable place to sleep.
During the day, the Euro chairs create a great spot to relax between rides, and the rear ramp easily transforms into a patio, extending your living space outdoors. A built-in fuel station keeps the fun going all weekend long, while the power awning provides shade and comfort for relaxing outside the coach.
Grand Design engineered the Momentum G-Class for four-season adventure. The Insulation Package includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, moisture barrier floor enclosure, and heat ducts routed through the cabinetry. Durable features such as the dovetail rear design, heavy-duty tie-downs anchored into the chassis, and a high-capacity water pump ensure this toy hauler is ready for demanding trips.
Inside, thoughtful residential touches elevate the experience. Large panoramic windows bring in natural light, USB charging stations in the bedroom keep devices powered, and residential-style cabinetry offers both style and storage. A shower skylight adds headroom and brightness, making everyday routines more comfortable.
Why Choose Campers Inn of Louisville
At Campers Inn of Louisville, we understand that adventure looks different for everyone. Our knowledgeable team is committed to helping you find the RV that fits your lifestyle, with transparent pricing, friendly guidance, and service you can rely on long after the sale. When you choose Campers Inn, you choose a dealership that supports your passion for the outdoors.
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The Grand Design Momentum G-Class 21G is the perfect combination of toughness, comfort, and smart design. Visit Campers Inn of Louisville and see how this toy hauler can elevate your next adventure.
