2026 Grand Design Momentum G-Class 320G

New Toy Hauler in Corinth, Texas, 76210

$113,895.00
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New 2026 Grand Design Momentum G-Class 320G available in Corinth, Texas
2026 Grand Design Momentum G-Class 320G - New Toy Hauler For Sale by McClain's RV Superstore in Corinth, Texas features Day/Night Shades, Microwave, Fire Extinguisher, Stove Top Burner, Furnace
2026 Momentum G-Class 320G by Grand Design from McClain's RV Superstore in Corinth, Texas
New 2026 Grand Design Momentum G-Class 320G available in Corinth, Texas

Unit Specs

  • Stock #15002
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan320G
  • Floorplan LayoutBath and a Half
    Front Bedroom
    Mid Kitchen
    Two Entry/Exit Doors
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length36' 3"
  • Width8' 5"
  • Height13' 5"
  • VIN573FM3821TBB04538
  • MSRP $134,031.00
  • Sale Price $113,895.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps5
  • Water Capacity (Fresh)98 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • GVWR16,400 lbs
  • UVW12,400 lbs
  • Slideouts3
  • Tow/Hitch Weight2300 lbs

Grand Design Momentum G-Class 320G Fifth Wheel: 2026 Towable RV with Bath & Half, Front Bedroom

Discover luxury on the road with the Grand Design Momentum G-Class 320G, a high-end towable RV designed for comfort, versatility, and extended trips. This new 2026 fifth wheel blends premium living spaces with practical toy-hauler features, making it ideal for families and adventurous couples seeking a reliable recreational vehicle for weekend getaways or cross-country explorations.

Overview

The Momentum G-Class 320G delivers three expansive slideouts, a Bath & Half floor plan, and dual entry doors for convenient access. Built as a rear-ramp toy hauler with a spacious interior, it accommodates up to five sleepers and offers a refined living area featuring theater seating, a cozy fireplace, and abundant storage. From the chef-friendly kitchen to the comfortable bedroom, this RV is engineered to elevate every voyage while preserving the rugged practicality expected of a high-quality travel trailer.

Key specifications

  • Classification: Towable RV / Fifth Wheel
  • Brand/Model: Grand Design Momentum G-Class 320G
  • Year: 2026; Length: 36 feet 3 inches
  • Width: 8 feet 5 inches; Height: 13 feet 5 inches
  • GVWR: 16,400 pounds; Hitch Weight: 2,300 pounds
  • Slides: 3; Sleeps: 5
  • Fresh Water: 98 gallons; Grey Water: 52 gallons; Black Water: 104 gallons
  • Exterior: Awning, Detachable power cord, Pass-through storage, Rear ramp door
  • Interior: Fireplace, Theater seating, Queen bed, Wardrobe(s), Pantry, Overhead cabinetry, Medicine cabinet
  • Conveniences: Day/Night shades, Water heater, Air conditioning, LP detector, CO detector, Smoke detector, Fire extinguisher
  • Appliances: Microwave, Oven, Refrigerator, Stove top burner
  • Connectivity and prep: Washer/Dryer prep

Floor plan & living space

The 320G floor plan showcases a Front Bedroom with a Queen bed and ample wardrobes, a Mid Kitchen with generous countertop space and pantry storage, and a Bath & Half layout for added convenience. The versatile rear ramp door confirms its capability as a toy hauler, while the three expansive slideouts create a bright, open living area. The removable table and theater seating provide flexible dining and entertaining options, complemented by a cozy fireplace for chilly evenings.

Outdoor storage & convenience

  • Spacious Pass-Thru Storage for gear and camping essentials
  • Rear Ramp Door for easy loading of toys or oversized cargo
  • Two Entry/Exit Doors for quick access and convenient loading/unloading
  • Rugged, reliable exterior features designed for long-lasting use on the road

Why choose this RV

If you’re seeking a luxurious, well-equipped recreational vehicle that blends comfort with capacity, the Momentum G-Class 320G stands out. Its lavish interior, generous water and waste capacities, three slideouts, and practical floor plan make it an excellent choice for family trips, weekend escapes, or cross-country adventures in a dependable travel trailer that feels like a home away from home.



View a video of this 2026 Grand Design Momentum G-Class 320G RV on YouTube!

2026 Grand Design Momentum G-Class 320G Features


  • Appliances
    Furnace, Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater
  • Electrical
    Air Conditioning, Batteries
  • Equipment
    CO Detector, Fire Extinguisher, LP Detector, Propane, Smoke Detector
  • Exterior
    Awning, Detachable Power Cord, Pass Thru Storage, Ramp, Rear Ramp Door, Roof Vent, Screen Door, Slideout, Spare Tire Kit
  • Interior/Furnishings
    Bath & 1/2, Day/Night Shades, Fireplace, Kitchen Sink, Medicine Cabinet, Overhead Cabinetry, Pantry, Queen Bed, Removable Table, Roof Vents, Shower, Theater Seating, Toilet, Wardrobe(s), Washer/Dryer Prep

2026 Grand Design Momentum G-Class 320G Specifications

General

MSRP

$112,652

Dimensions

Height

13' 6"

Height (interior)

8' 7"

Length

36' 3"

Width

8' 5"

Weights

Dry Weight

12,400 lbs

GVWR

16,400 lbs

Hitch Weight

2,300 lbs

Payload Capacity

4,000 lbs

Capacities

Refrigerator Capacity

15 cu ft

Sleep Capacity

5

Water Capacity - Black

104 gal

Water Capacity - Fresh

98 gal

Water Capacity - Grey

52 gal

Exterior

# Awnings

1

# Axles

2

# Doors

3

# Slides

3

Chassis

101" Wide-Body Super Chassis

Hitch

Fifth Wheel

Rear Opening

Ramp

Electrical

# A/C

1

A/C Spec

30,000 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.

2026 Grand Design Momentum G-Class 320G Literature


Text Seller
Seller Info

McClain's RV Superstore

5601 S. I-35 E.
Corinth, TX 76210

Member Since 2019

See 1710 Reviews

Unit Specs

  • Stock #15002
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan320G
  • Floorplan LayoutBath and a Half
    Front Bedroom
    Mid Kitchen
    Two Entry/Exit Doors
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length36' 3"
  • Width8' 5"
  • Height13' 5"
  • VIN573FM3821TBB04538
  • MSRP $134,031.00
  • Sale Price $113,895.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps5
  • Water Capacity (Fresh)98 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • GVWR16,400 lbs
  • UVW12,400 lbs
  • Slideouts3
  • Tow/Hitch Weight2300 lbs

Estimated Payment-

Interest Rate % *(W.A.C.)
Term Years
Down Payment $
*W.A.C. = With approved credit

Email Seller

Request More Info on this 2026 Grand Design Momentum G-Class 320G Offered for sale by McClain's RV Superstore
McClain's RV Superstore
McClain's RV Superstore

5601 S. I-35 E.
Corinth, TX 76210

Phone: Click to Call

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New 2026 Grand Design Momentum G-Class 320G available in Corinth, Texas
2026 Grand Design Momentum G-Class 320G - New Toy Hauler For Sale by McClain's RV Superstore in Corinth, Texas features Day/Night Shades, Microwave, Fire Extinguisher, Stove Top Burner, Furnace
2026 Momentum G-Class 320G by Grand Design from McClain's RV Superstore in Corinth, Texas
New 2026 Grand Design Momentum G-Class 320G available in Corinth, Texas