Electrical
Bluetooth Audio System
Enjoy your favorite music and podcasts seamlessly while traveling.
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Complete Specifications
Complete Fifth Wheel Specifications
2026 Grand Design Momentum G-Class Overview
Introducing the 2026 Grand Design Momentum G-Class 320G, a new fifth-wheel that redefines adventure. With a dry weight of 12,400 lbs and a GVWR of 16,400 lbs, this RV is designed for easy towing and maneuverability. Ideal for families or groups, it comfortably sleeps 5, featuring two bathrooms and a spacious interior layout. Enjoy modern conveniences like a 30,000 BTU air conditioning system and a walk-in shower for ultimate comfort. Whether you're hitting the road for a weekend getaway or an extended journey, this RV is perfect for creating lasting memories. Schedule your tour today!
Premium Features & Highlights
Spacious Interior Layout
Sleeps 5 for Family Comfort
30,000 BTU Air Conditioning for Year-Round Comfort
Walk-in Shower for Relaxation
Power Awning for Effortless Outdoor Enjoyment
Bluetooth Audio for Entertainment on the Go
Overview
Vehicle Identification & Details
9 specifications available
- Category
- Fifth Wheel
- Condition
- new
- Floorplan
- 320G
- Make
- Grand Design
- Model
- Momentum G-Class
- Stock Number
- MO4598
- Subcategory
- toy-hauler
- VIN
- 573FM3828TBB04598
- Year
- 2026
Size & Weight
Dimensions, Weight, Construction & Exterior
12 specifications available
- Cargo Area Length Ft
- 11
- Dry Weight
- 12,400 lbs
- GVWR
- 16,400 lbs
- Length
- 36.3 ft
- Interior Height
- 8.6 ft
- Width
- 8.4 ft
- Awning Length Ft
- 18 ft
- Awnings Count
- 1
- Has Auto Leveling
- Yes
- Has Power Awning
- Yes
- Has Power Slideouts
- Yes
- Slides
- 3
Sleeping & Layout
Beds, Layout, Living & Comfort
9 specifications available
- Available Beds
- King, Queen, Loft
- Bedroom Count
- 1
- Bunk Beds Count
- 0
- King Beds Count
- 1
- Loft Beds Count
- 1
- Private Bedroom
- Yes
- Queen Beds Count
- 0
- Sleeps
- 5
- Fireplace
- Yes
Kitchen & Dining
Cooking, Dining & Appliances
4 specifications available
- Oven
- Yes
- Refrigerator Size
- 15 cu ft
- Refrigerator Type
- 12V Residential
- Washer Dryer Prep
- Yes
Bathroom & Facilities
Comfort & Privacy
2 specifications available
- Bathrooms Count
- 2
- Shower Type
- Walk-in shower
Water Systems
Tanks & Plumbing
7 specifications available
- Black Water Capacity
- 104 gal
- Black Water Tanks Count
- 1
- Fresh Water Capacity
- 98 gal
- Fresh Water Tanks Count
- 1
- Gray Water Capacity
- 52
- Gray Water Tanks Count
- 1
- Has Tankless Water Heater
- Yes
Power & Electrical
Electrical, Entertainment & Safety
6 specifications available
- Generator Size
- 6000 Watt
- Electrical Service
- 50 Amp
- Has Bluetooth Audio
- Yes
- Radio Brand
- Rockford Fosgate
- Tv Info
- LR 40" LED Smart TV
- Usb Charging
- Yes
Climate Control
Heating & Cooling
3 specifications available
- Ac Btu
- 30,000 BTU
- Air Conditioning
- Yes
- Heater Btu
- 35,000 BTU
* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. A&L RV Sales is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with A&L RV Sales.
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Built to Last
Superior construction for years of adventures
HVAC
30,000 BTU Air Conditioning
Stay cool and comfortable during your travels regardless of the weather.
Plumbing
Tankless Water Heater
Enjoy endless hot water for showers and cooking, perfect for long trips.
Ready for Your Next Adventure?
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Payment Calculator
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from $818/mo
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Schedule Tour
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Showroom Hours
Mon-Fri: 9AM-6PM
4503 Bristol Hwy Johnson City, TN 37601
Trade-In Value
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Trade Evaluation
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Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. We are not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
$114,945
est $747/mo