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New 2026 Grand Design Momentum G-Class 21G

Toy Hauler Travel Trailer

Stock #108390

Mesa, AZ

Ramp Door/Patio System – Double your living area with a ramp that quickly converts into an outdoor patio deck.

2026 Grand Design Momentum G-Class 21G Exterior

1 of 61

+61

SALE PRICE: $66,295
MSRP: $78,375
Save: $12,080

Payments From: $443 /mo.

Sleeps 4
1 Slides

27ft Long
6,400 lbs

See All Specs

Specifications

Sleeps	4	Slides	1
Length	26 ft 11 in	Ext Width	8 ft 5 in
Ext Height	12 ft 2 in	Int Height	7 ft 7 in
Hitch Weight	920 lbs	GVWR	11000 lbs
Dry Weight	6400 lbs	Fresh Water Capacity	90 gals
Grey Water Capacity	74 gals	Black Water Capacity	39 gals
Tire Size	ST235/80R16 LRE	Furnace BTU	30000 btu
Fuel Capacity	30 gals	Available Beds	Queen
Refrigerator Type	Stainless Steel	Refrigerator Size	8 cu ft
Cooktop Burners	3	Shower Size	27" x 36"
Number of Awnings	1	Garage Size	14 ft
LP Tank Capacity	20 lbs	Water Heater Type	Tankless
AC BTU	15000 btu	TV Info	LR 40" TV
Awning Info	19' Awning w/LED Accent Lighting	Axle Count	2
Number of LP Tanks	2	Shower Type	Walk-In Shower
Electrical Service	30 amp	VIN	573TM2720T1223344

Description

"This is the manufacturer's minimum allowed advertised price, contact us today for your unbeatable personalized quote."

NEW 2026 Grand Design Momentum G-Class 21G – Built for Riders, Dreamers, and Adventure Seekers

The 2026 Grand Design Momentum G-Class 21G isn’t just a toy hauler—it’s your gateway to adventure. From mountain trails to desert dunes, lake weekends to wide-open highways, this travel trailer is designed for those who live for the ride and crave the freedom of the outdoors. Compact, versatile, and built with Grand Design’s signature quality, the 21G makes it easy to bring your toys along without leaving home-style comfort behind.

Key Features for Adventure Living

Queen Bed Slide & Master Suite – Enjoy a private retreat with a walk-around queen bed, ample storage, and direct access to the bathroom.
Spacious 14' Garage – Secure your toys with 2,500-lb. tie-downs bolted into the chassis. Once unloaded, the garage transforms into a living and sleeping zone.
Ramp Door/Patio System – Expand your space with a ramp that doubles as an outdoor deck—perfect for lounging, grilling, or soaking in the view.
Happi-Jac Rollover Sofas & Euro Chairs – Flexible seating that easily converts into beds for guests or extra comfort after a day on the trails.
Fuel Station – Keep the fun going with your own built-in fueling station for dirt bikes, ATVs, or side-by-sides.
19' Power Awning with LED Lights – Create an inviting outdoor hangout with shade by day and soft lighting at night.

Built for Off-Road Lifestyles

Heated and enclosed underbelly with suspended tanks for true four-season travel
High-capacity furnace with cabinet-mounted heat ducts for warmth in any terrain
Moisture barrier floor enclosure for long-term durability
Dovetail rear design for smoother loading and unloading of gear

Comforts That Make You Feel at Home

Large panoramic windows framing campfire nights and sunrise views
Dual-entry bathroom with skylight above the shower
Residential-style cabinetry and modern LED lighting throughout
Bedroom USB ports for easy device charging
Optional power bunk to expand sleeping capacity for friends and family

Wherever your adventures take you—whether it’s a hidden forest trail, a desert rally, or a weekend at the lake—the Momentum G-Class 21G is designed to haul your lifestyle and keep you comfortable when the day winds down.

Why Buy from Little Dealer Little Prices?
Since 1966, Little Dealer Little Prices has been helping riders, campers, and families find the perfect RV for their adventures. We’re not just a dealership—we’re RVers who understand what matters when you’re living life on the road.

Family-owned and trusted for nearly six decades
Transparent, competitive pricing with no gimmicks
Expert RV service and parts departments to keep you adventure-ready
Lifetime warranty options for peace of mind
Flexible financing tailored to your budget
A team who camps, rides, and lives the RV lifestyle alongside you

Choose the 2026 Grand Design Momentum G-Class 21G and fuel your wild side with comfort, durability, and the freedom to go farther.

INVENTORY IMAGES MAY BE SHOWN. COLORS AND SPECS MAY VARY. CALL FOR DETAILS.

Features

Standard Features (2026)

PLEASE NOTE: Features and Options separated by type below:

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TRAVEL TRAILERS

Exterior

Main A/C with Race Track Ducting
Backup Camera Prep
Black Tank Flush
Full Sized Spare Tire & Carrier
80% Tint Radius Safety Glass Windows
20# LP Bottles (2) w/Cover
Radius Entry Door
High-Capacity Water Pump
Extra Large 1 1/2” Fresh Water Drain Valve
Battery Disconnect Switch
Folding Roof Ladder
Gel Coated Fiberglass Exterior
Easy Access Low Point Drain Valves
Insulated Storage Doors
Magnetic Storage and Entry Door Latches
18’-19’ Awning w/LED Accent Lighting
Under Unit Accent Lighting
Rockford Fosgate Speaker Package with Powered Sub
Solar Prep (10 gauge wiring with universal MC4 connectors)
Motion Sensor Exterior Storage Lighting
Motion Sensor Entry Lighting
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
Diamond Plate Front Rock Guard
Triple Aluminum Tread Entry Steps
30 Gallon Fuel Station w/Interior and Exterior Gauge

Construction

Power Tongue Jack
Oversized Tank Capacities
One-Piece TPO Roof Membrane w/ Limited Lifetime Warranty
Laminated Aluminum Framed Rear Ramp Door (R-12)
Laminated Aluminum Framed Side Walls (R-7)
Laminated Aluminum Framed Roof and End Walls in Slide Rooms (R-7)
1” Marine Grade OSB Floor (R-30*)
5" Radius Wood Framed Roof (R-40*)
Universal Docking Station
Walk on Roof
No Wheel Wells
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

Running Gear

15" Aluminum Rims w/Nitrogen Filled Radial Tires
Anti-Lock Brake System

Interior

Under Counter Accent Lighting
Above Cabinet Accent Lighting
Solid Hardwood Drawer Fronts
Solid Core Cabinet Stiles
Pre-Drilled and Screwed Cabinetry
Ball Bearing Full Extension Drawer Glides
Large Panoramic Windows
Night Shades (All Windows)
Upgraded Residential Furniture
Residential Countertops
Stainless Steel Accented Microwave
Stainless Steel Accented 3-Burner Range with Oven
Glass Range Cover (Flush w/Counter Top)
Stainless Steel Accented Double Door Refrigerator
Sink Cover
Bottle Opener
Residential Cabinetry

Kitchen

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet

Electrical

50 Amp Service (21G & 23G - 30 Amp Service)
Detachable Marine Grade Power Cord w/LED Light

HVAC

30k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks

Plumbing

On Demand Water Heater

Bedroom

Large Backlighted Mirror
Night Stands
Bedside Outlets
USB Chargers
Solid Bedroom Door
Residential Bedspread
TV and Cable Prep

Bathroom

Residential Walk-In Shower
Skylight Over Shower
Power Vent Fan
Medicine Cabinet with Mirror
Headboard
Double Entrance Bathroom

Appliance

Stainless Steel Accented Appliances

Electronics

Rockford Fosgate Bluetooth Stereo
High Definition LED Television

Garage

Full-sized Rear Ramp Door
Dovetail Rear End
Rear-Ramp Loading Lights w/back-up light function
2,500 lbs. Tie-Downs Anchored Into the Chassis

Packages

Exterior Package

Universal Docking Station
Black Tank Flush
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
Diamond Plate Front Rock Guard
15” Aluminum Rims
Triple Aluminum Tread Entry Steps
Walk on Roof
On Demand Water Heater
50 Amp Service (21G & 23G - 30 Amp Service)
Detachable Marine Grade Power Cord w/LED Light

Luxury Interior Package

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet
Residential Cabinetry
Motion Sensor Exterior Storage Lighting
Motion Sensor Entry Lighting
Rockford Fosgate Bluetooth Stereo
High Definition LED Television
Stainless Steel Accented Appliances

Garage Package

30 Gallon Fuel Station w/Interior and Exterior Gauge
Full-Size Rear Ramp Door
Dovetail Rear End
No Wheel Wells
Rear-Ramp Loading Lights w/Back-up Light Function
2,500 lbs. Tie-downs Anchored into the Chassis

Insulation Package

30k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

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FIFTH WHEELS

Exterior

Black Tank Flush
Full Sized Spare Tire & Carrier
80% Tint Radius Safety Glass Windows
30lb. LP Bottles (2)
Radius Entry Door
High-Capacity Water Pump
Extra Large 1 1/2" Fresh Water Drain Valve
Battery Disconnect Switch
Folding Roof Ladder
Gel Coated Fiberglass Exterior
Easy Access Low Point Drain Valves
Insulated Storage Doors
Large Panoramic Windows
Magnetic Storage and Entry Door Latches
Awning w/LED Accent Lighting
Under Unit Accent Lighting

Construction

Oversized Tank Capacities
One-Piece TPO Roof Membrane
Laminated Aluminum Framed Rear Ramp Door (R-7)
Laminated Aluminum Framed Side Walls (R-11)
Laminated Aluminum Framed Roof and End Walls in Slide Rooms (R-7)
1" Marine Grade OSB Floor (R-30*)
5" Radius Wood Framed Roof (R-40*)

Running Gear

Upgraded Axle Hangers
Heavy Duty H-Rated Tires
Heavy Duty 7,000 lb. Axles with ABS Drum Brakes (415G)
Heavy Duty 8,000 lb. Axles with ABS Drum Brakes (320G, 325G, 350G)
17.5" H-Rated Aluminum Wheels
MORryde CRE3000 Suspension System
Tow Assist ABS & Sway Mitigation System

Frame & Chassis

Electric Auto Leveling System
101" Wide-Body Super Chassis

Interior

Under Counter Accent Lighting
Above Cabinet Accent Lighting
Solid Hardwood Drawer Fronts
Solid Core Cabinet Stiles
Pre-Drilled and Screwed Cabinetry
Ball Bearing Full Extension Drawer Glides
Night Shades (All Windows)
Upgraded Residential Furniture
Residential Countertops
Plywood Drawer Bottoms

Kitchen

Microwave
Residential Kitchen Faucet
Stainless Steel Accented 3-Burner Range with Oven
Glass Range Cover (Flush w/ Countertop)
12-Volt High Power MaxxAir Fan with Rain Sensor

Electrical

Solar Prep (10-Gauge Wiring with Universal MC4 Connectors)
75 Amp Converter
12V Battery Disconnect
Omni Connect On-Board WiFi Ready

HVAC

12v High Power Fan (Kitchen)
35K BTU High Capacity Furnace
Fireplace w/5000 BTU Electric Heater
Main A/C with Race Track Ducting
Attic Vent
High-Capacity Heat Ducts

Plumbing

Sewer Hose Storage Area
All-In-One Enclosed and Heated Utility Center

Bedroom

Night Stands
Bedside Outlets
USB Chargers
Solid Bedroom Door
Residential Bedspread
TV and Cable Prep

Bathroom

Residential Walk-In Shower
Skylight Over Shower
Power Vent Fan
Medicine Cabinet with Mirror

Appliance

Fireplace with Electric Heater
Stainless Steel Refrigerator
Microwave

Electronic

Back-Up Camera Prep
Exterior Cable/Satellite Plug In
LED Smart TV in Living Area
Rockford Fosgate Stereo Entertainment System w/HDMI and App Controls
Exterior Speakers
No-Crank Digital TV Antenna w/Booster
TV Prep in Garage

Packages

Exterior Package

Universal Docking Station
Black Tank Flush
Fiberglass Front Cap w/Paint
48” LED Front Cap Lighting
16” Aluminum Rims
Triple Aluminum Tread Entry Steps
Walk on Roof
On Demand Water Heater
50 Amp Service
Detachable Marine Grade Power Cord w/LED Light

Luxury Interior Package

Deep Seated Stainless-Steel Sink
Residential Pull-Down Sprayer Faucet
Residential Cabinetry
Motion Sensor Exterior Storage Lighting
Motion Sensor Entry Lighting
Rockford Fosgate Bluetooth Stereo
High Definition LED Television
Stainless Steel Accented Appliances

Garage Package

Fuel Station w/Interior and Exterior Gauge
Dovetail Rear End
Rear-Ramp Loading Lights w/Back-up Light Function
2,500 lbs. Tie-downs Anchored into the Chassis

Insulation Package

35k BTU High Capacity Furnace
Heated and Enclosed Underbelly w/Suspended Tanks
Double Insulated Roof and Front Cap (R-40*)
Heated and Enclosed Dump Valves
High Density Roof Insulation w/Attic Vent
Moisture Barrier Floor Enclosure
Cabinet Mounted Heat Ducts

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

New 2026 Grand Design Momentum G-Class 21G

21G Floorplan

Specifications

Description

Features

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