2026 Grand Design Momentum G-Class 350G

New Toy Hauler in Corinth, Texas, 76210

$104,995.00
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New 2026 Grand Design Momentum G-Class 350G available in Corinth, Texas
2026 Grand Design Momentum G-Class 350G - New Toy Hauler For Sale by McClain's RV Superstore in Corinth, Texas features Pass Thru Storage, Propane, Water Heater, Shower, LP Detector
2026 Momentum G-Class 350G by Grand Design from McClain's RV Superstore in Corinth, Texas
New 2026 Grand Design Momentum G-Class 350G available in Corinth, Texas

Unit Specs

  • Stock #14914
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan350G
  • Floorplan LayoutBath and a Half
    Front Bedroom
    Mid Kitchen
    Two Entry/Exit Doors
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length39' 9"
  • Width8' 5"
  • Height13' 6"
  • VIN573FM4222TBB04479
  • MSRP $136,856.00
  • Sale Price $104,995.00
  • 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
  • GVWR18,000 lbs
  • UVW12,950 lbs
  • Slideouts3
  • Tow/Hitch Weight2600 lbs

2026 Grand Design Momentum G-Class 350G Fifth Wheel — Premium Towable RV for Adventurous Travel

Discover the 2026 Momentum G-Class 350G, a top-tier towable RV from Grand Design. This new fifth wheel is built for unforgettable road trips, combining luxury living with robust, travel-ready construction. With the Momentum G-Class line, you’ll enjoy a high-end feel, thoughtful floorplans, and dependable performance designed to elevate every journey.

Key Details

  • Brand: Grand Design
  • Model: Momentum G-Class
  • Classification: Towable RV
  • Type: Fifth Wheel
  • Year: 2026
  • Floorplan: 350G
  • Condition: New
  • Stock Number: 14914
  • VIN: 573FM4222TBB04479

Why Choose the Momentum G-Class 350G

The Momentum G-Class line is designed to deliver a refined camping experience without sacrificing practicality on the road. Expect a modern interior, durable build quality, and a layout that makes it easy to relax, entertain, and recharge during extended travels. This 350G floorplan focuses on efficient use of space, enabling comfortable sleeping, cooking, and living areas for families or adventurous couples.

Floorplan and Space

Floorplan 350G offers a versatile arrangement tailored to long-haul comfort and social gatherings. While specific measurements aren’t listed here, the design emphasizes an open, welcoming living area with well-planned storage and functional zones for cooking, dining, and lounging—perfect for weekend getaways or cross-country itineraries.

Key Benefits

  • Stable, easy-to-tow performance typical of a premium fifth wheel
  • High-quality interior touches and finishes aligned with the Grand Design reputation
  • Flexible living space that supports relaxing downtime and social activities


View a video of this 2026 Grand Design Momentum G-Class 350G RV on YouTube!

2026 Grand Design Momentum G-Class 350G 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, Stereo System, TV
  • Exterior
    Awning, Detachable Power Cord, Leveling Jacks, Pass Thru Storage, Screen Door, Slideout, Spare Tire Kit
  • Interior/Furnishings
    Bath & 1/2, Day/Night Shades, Kitchen Sink, Medicine Cabinet, Pantry, Pet Friendly, Queen Bed, Roof Vents, Shower, Theater Seating, Toilet, Wardrobe(s)

2026 Grand Design Momentum G-Class 350G Specifications

General

MSRP

$115,040

Dimensions

Height

13' 6"

Height (interior)

8' 7"

Length

39' 9"

Width

8' 5"

Weights

Dry Weight

12,950 lbs

GVWR

18,000 lbs

Hitch Weight

2,600 lbs

Payload Capacity

5,050 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 350G Literature


2026 Grand Design Momentum G-Class Brochure PDF 2026 Grand Design Momentum G-Class Brochure 1
Seller Info

McClain's RV Superstore

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

Member Since 2019

See 1730 Reviews

Unit Specs

  • Stock #14914
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan350G
  • Floorplan LayoutBath and a Half
    Front Bedroom
    Mid Kitchen
    Two Entry/Exit Doors
  • Type Toy Hauler
  • Secondary Type Fifth Wheel
  • ConditionNew
  • Length39' 9"
  • Width8' 5"
  • Height13' 6"
  • VIN573FM4222TBB04479
  • MSRP $136,856.00
  • Sale Price $104,995.00
  • 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
  • GVWR18,000 lbs
  • UVW12,950 lbs
  • Slideouts3
  • Tow/Hitch Weight2600 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 350G 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 350G available in Corinth, Texas
2026 Grand Design Momentum G-Class 350G - New Toy Hauler For Sale by McClain's RV Superstore in Corinth, Texas features Pass Thru Storage, Propane, Water Heater, Shower, LP Detector
2026 Momentum G-Class 350G by Grand Design from McClain's RV Superstore in Corinth, Texas
New 2026 Grand Design Momentum G-Class 350G available in Corinth, Texas