2026 Grand Design Momentum G-Class 394G

Vehicle Photo
  • MSRP: $142,359
  • Dealer Discount: $35,370
  • Finance Incentive: $4,000
  • Sale Price: $102,989
  • As Low As: $689 /mo (Edit)
Stock #: 113394
Tucson, AZ
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 44 ft 11in
  • Slides: 3
  • Dry Weight: 16,400
  • Sleeps: 6

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  • Bath and a Half
  • Front Bedroom
  • Toy Hauler
  • Two Entry/Exit Doors
Floorplan
  • Available Beds Queen
  • Exterior Height 13 ft 6in
  • Exterior Width 8 ft 5in
  • Interior Height 8 ft 7in
  • Garage Size 15 ft
  • Pin Weight 3,500 lbs
  • Gross Weight 22,500 lbs
  • Dry Weight 16,400 lbs
  • Fuel Capacity 30 gal
  • Tire Size 17.5
  • Axle Count 2
  • Fresh Water Capacity 98 gal
  • Grey Water Capacity 104 gal
  • Black Water Capacity 52 gal
  • Furnace BTU 35,000
  • Refrigerator Type Stainless Steel
  • Refrigerator Size 15
  • Cooktop Burners 3
  • Shower Size 48"" x 30
  • Shower Type Walk-In Shower
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR 40"" LED Smart TV

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

 

NEW 2026 Grand Design Momentum G-Class 394G – Built for Big Toys and Big Adventures

The Momentum G-Class 394G delivers serious adventure potential with the comfort and luxury Grand Design is known for. From the massive 15-foot garage to the dual entry doors and cozy living spaces, this toy hauler is ready for off-road weekends, extended stays, and everything in between.

Adventure-Driven Highlights
15' Separate Garage for ATVs, dirt bikes, kayaks, and adventure gear
Fireplace for cozy evenings after a long day on the trails
Private Bedroom with a queen bed for recharging between rides
Dual Entry Doors providing easy access in and out of the RV

Bring the Toys and the Good Times
Load up your gear using the rear ramp, then turn that same ramp into a raised patio to relax outdoors above the action. The garage includes its own entry door, tie-downs anchored into the chassis, and washer/dryer prep for convenience during long trips. With plenty of space for equipment and the option to set up a separate hangout zone, the garage easily transforms from cargo space to bonus living area.

Comfortable, Spacious Living Area
Step into the main living room and unwind in theater seating or stretch out on the sectional sofa. The entertainment center features a fireplace that creates a warm, inviting space for movie nights or mornings with a cup of coffee. Large panoramic windows bring in natural light and great campground views.

Fully Equipped Kitchen for Camp Cooking
The kitchen is ready for every meal with a full appliance suite, ample countertop space, and Grand Design’s signature residential touches. Whether you're prepping trail snacks or a hearty dinner, this space offers everything you need for easy cooking at camp.

Front Private Bedroom Retreat
Rest comes easy in the private front bedroom with a walk-around queen bed, generous storage, and USB charging ports to power your essentials. After a day full of riding, exploring, and adventuring, this quiet space provides the comfort you need.

Built for All-Season Exploration
Take on any climate with confidence. The Momentum G-Class features a heated and enclosed underbelly, suspended tanks, cabinet-mounted heat ducts, and a high-

†Airstream of Tucson strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Airstream of Tucson is not responsible for errors made in stated pricing or specifications. Specifications and availability subject to change without notice. Price, length, weight, or any other specifications cannot be relied upon. Buyers should verify and confirm all claims made on the website. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Airstream of Tucson for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Airstream of Tucson is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

**Airstream of Tucson believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Airstream of Tucson cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.

***The advertised discount contains a $4,000 finance incentive. Finance Incentive applies if financing for your RV purchase is obtained with assistance by Airstream of Tucson and placed with a third party lender. Terms and Conditions may apply. Contact our finance department for further details.