2026 Grand Design Momentum G-Class 21G

New Travel Trailer in Corinth, Texas, 76210

Photos (53)

Show All 53 Photos

New 2026 Grand Design Momentum G-Class 21G available in Corinth, Texas

2026 Grand Design Momentum G-Class 21G - New Travel Trailer For Sale by McClain's RV Superstore in Corinth, Texas features Ramp, Ladder, Furnace, Overhead Cabinetry, Roof Vent

2026 Momentum G-Class 21G by Grand Design from McClain's RV Superstore in Corinth, Texas

Unit Specs

Stock #16157
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelMomentum G-Class
Floorplan21G
Floorplan LayoutFront Bedroom
Mid Kitchen
Type Travel Trailer
ConditionNew
Length26' 11"
Width8' 5"
Height12' 2"
VIN573TM272XTBB05606
MSRP $88,413.00
Price Get Price
Need to know your payment? Use our RV Loan Calculator!
Sleeps6
Water Capacity (Fresh)90 gal
Water Capacity (Black)39 gal
Water Capacity (Grey)74 gal
Air Conditioners1
A/C Spec15,000 BTU
Refrigerator Capacity8 ft³
Slideouts1
Payload Capacity4600 lbs
Dry Weight6,400 lbs
Tow/Hitch Weight920 lbs
# Axles2

Looking to buy a 2026 Grand Design Momentum G-Class Travel Trailer RV?

26’ 11” toy hauler travel trailer – compact & easy to tow
14’ garage with ramp door that converts to a patio
Sleeps up to 6 with HappiJac sofas + optional top bed
Single slide-out for expanded living space
30-gallon fuel station for toys and off-grid adventures
Open living area with Euro chairs & panoramic windows
Fully equipped kitchen: 3-burner range, oven, microwave, 8 cu. ft. fridge
Private front bedroom with walk-around queen bed
Large bathroom with walk-in shower & skylight
Heated & enclosed underbelly + R-40 insulation for 4-season use
15K BTU A/C + 30K BTU furnace for climate control

Adventure-ready and built for versatility, the 2026 Grand Design Momentum G-Class 21G delivers big capability in a compact toy hauler design. Measuring just under 27 feet, it’s easy to tow while still offering a highly functional layout with a 14-foot garage—perfect for hauling motorcycles, ATVs, or gear.

Inside, the smart floorplan combines comfort and flexibility. The garage area easily converts into a living and sleeping space with HappiJac sofas, while the main living area features comfortable seating and large windows that bring in natural light. The kitchen is fully equipped with modern appliances and ample storage, making it easy to cook wherever your travels take you.

Up front, the private bedroom offers a walk-around queen bed and storage, while the bathroom includes a spacious walk-in shower with skylight for added comfort. Built for off-grid and all-season use, the 21G features a 30-gallon fuel station, solar prep, heated underbelly, and high-capacity tanks—giving you the freedom to camp longer and go further.

With rugged construction, smart design, and true toy-hauling capability, the Momentum G-Class 21G is the perfect blend of adventure and comfort—ideal for travelers who want to bring their toys along without sacrificing livability.

2026 Grand Design Momentum G-Class 21G Features

Appliances
Furnace, Microwave, Refrigerator, Stove Top Burner, Water Heater
Electrical
30 Amp Service, Air Conditioning, Batteries
Equipment
CO Detector, Fire Extinguisher, LED Lights, LP Detector, Propane, Smoke Detector, TV
Exterior
Awning, Black Tank Flush, Detachable, Detachable Power Cord, Enclosed Underbelly, Ladder, Pass Thru Storage, Power Awning, Ramp, Rear Ramp Door, Roof Vent, Screen Door, Skylight, Slideout, Spare Tire Kit
Interior/Furnishings
Kitchen Sink, Medicine Cabinet, Overhead Cabinetry, Queen Bed, Roof Vents, Shower, Sofa Bed, Toilet
Horse / Livestock / LQ / Tack
Insulated

2026 Grand Design Momentum G-Class 21G Specifications

General

MSRP

$68,095

Dimensions

Height

12' 2"

Height (interior)

7' 7"

Length

26' 11"

Width

8' 5"

Weights

Dry Weight

6,400 lbs

GVWR

11,000 lbs

Hitch Weight

920 lbs

Payload Capacity

4,600 lbs

Capacities

Refrigerator Capacity

8 cu ft

Sleep Capacity

Water Capacity - Black

39 gal

Water Capacity - Fresh

90 gal

Water Capacity - Grey

74 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Hitch

Bumper Pull

Rear Opening

Ramp

Electrical

# A/C

A/C Spec

15,000 BTU

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.