2026 Grand Design Momentum G-Class 350G

New Fifth Wheel in Tallahassee, Florida, 32304

$114,950.00
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New 2026 Grand Design Momentum G-Class 350G available in Tallahassee, Florida
2026 Grand Design Momentum G-Class 350G - New Fifth Wheel For Sale by Optimum RV - Tallahassee in Tallahassee, Florida features Slideout, Awning
2026 Momentum G-Class 350G by Grand Design from Optimum RV - Tallahassee in Tallahassee, Florida
New 2026 Grand Design Momentum G-Class 350G available in Tallahassee, Florida

Unit Specs

  • Stock #4GM828
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan350G
  • Type Fifth Wheel
  • ConditionNew
  • Length477' 0"
  • VIN573FM4221TBB04828
  • Price $139,568.00
  • Sale Price $114,950.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)98 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • Slideouts3
  • Tow/Hitch Weight2600 lbs

Grand Design Momentum G-Class toy hauler 350G highlights from Optimum RV:

  • Theater Seating
  • Bath and a Half
  • 14' 6" Separate Garage
  • Fireplace
  • Private Bedroom
  • Unobstructed Pass-Through

 

Just imagine the fun you will have with this Momentum G-Class toy hauler set up at any off-road park. With the 14' 6" separate garage that includes a half bath, a second exterior entry door, and a loft, you will have your own area to do what you like. The rear ramp door can even be converted into a patio if you need more outdoor living space. The main living area offers a fireplace, theater seating, and kitchen appliances to make delicious home cooked meals. You will also be able to stay clean and ready for the next ride with the walk-in shower in the full bathroom, and the front master bedroom has plenty of storage for clothing with the wardrobe slide and overhead cabinets. 

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

2026 Grand Design Momentum G-Class 350G Features


  • Exterior
    Awning, Slideout

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


Seller Info

Optimum RV - Tallahassee

377 Capital Circle SW
Tallahassee, FL 32304

Member Since 2023

See 114 Reviews

Unit Specs

  • Stock #4GM828
  • Year2026
  • ManufacturerGrand Design RV
  • Make Grand Design
  • ModelMomentum G-Class
  • Floorplan350G
  • Type Fifth Wheel
  • ConditionNew
  • Length477' 0"
  • VIN573FM4221TBB04828
  • Price $139,568.00
  • Sale Price $114,950.00
  • Need to know your payment? Use our RV Loan Calculator!
  • Sleeps6
  • Water Capacity (Fresh)98 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)52 gal
  • Slideouts3
  • Tow/Hitch Weight2600 lbs

Email Seller

Request More Info on this 2026 Grand Design Momentum G-Class 350G Offered for sale by Optimum RV - Tallahassee
Optimum RV - Tallahassee
Optimum RV - Tallahassee

377 Capital Circle SW
Tallahassee, FL 32304

Phone: Click to Call

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2026 Grand Design Momentum G-Class 350G Gallery

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New 2026 Grand Design Momentum G-Class 350G available in Tallahassee, Florida
2026 Grand Design Momentum G-Class 350G - New Fifth Wheel For Sale by Optimum RV - Tallahassee in Tallahassee, Florida features Slideout, Awning
2026 Momentum G-Class 350G by Grand Design from Optimum RV - Tallahassee in Tallahassee, Florida
New 2026 Grand Design Momentum G-Class 350G available in Tallahassee, Florida