2026 Grand Design Momentum 396DB

New Toy Hauler in Corinth, Texas, 76210

$156,996.00

Show All 66 Photos

New 2026 Grand Design Momentum 396DB available in Corinth, Texas

2026 Grand Design Momentum 396DB - New Toy Hauler For Sale by McClain's RV Superstore in Corinth, Texas features Water Heater, Power Awning, Black Tank Flush, Heated Underbelly, Pantry

2026 Momentum 396DB by Grand Design from McClain's RV Superstore in Corinth, Texas

Unit Specs

Stock #15850
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelMomentum
Floorplan396DB
Floorplan LayoutFront Bedroom
Kitchen Island
Loft
Mid Kitchen
Mid Living Area
Two Entry/Exit Doors
Two Full Baths
Type Toy Hauler
Secondary Type Fifth Wheel
ConditionNew
Mileage2 miles
Length46' 4"
Width8' 5"
Height13' 6"
VIN573FM4839TBB05256
MSRP $196,505.00
Sale Price $156,996.00
Need to know your payment? Use our RV Loan Calculator!
Sleeps7
Water Capacity (Fresh)140 gal
Water Capacity (Black)52 gal
Water Capacity (Grey)104 gal
Air Conditioners3
A/C Spec3 X 15K BTU
Refrigerator Capacity20 ft³
GVWR23,500 lbs
UVW19,100 lbs
Slideouts3
Tow/Hitch Weight3760 lbs

Looking to buy a 2026 Grand Design Momentum Toy Hauler RV?

Garage layout — massive space in the back for toys, gear, or conversion space
Two huge slide-outs open the living/kitchen area wide
Private front bedroom with real storage and comfort
Full galley kitchen with island, big fridge, and serious prep space
Large living area with theater seating and sofa — great for relaxing
Spacious bathroom with roomy shower and smart layout
Excellent utility setup — big tanks and systems ready for longer stays
Built solid and comfortable — perfect for trips with family or crew

The 2026 Grand Design Momentum 396DB is one of those toy haulers that doesn’t feel like a half-baked compromise. Even though it’s designed to haul gear, the living space inside is legit and comfortable — you’re not just parking toys and hiding out in a corner.

The garage area is a huge plus — great for quads, side-by-sides, bikes, tools, coolers, gear — whatever you use for real life camping and adventure. Once the ramp is up, it’s easy to load and tie down, and because it’s such a big footprint, you can even convert part of it into extra living space or sleeping if you want.

Slide-outs truly open up the kitchen and living area so you’re not bumping elbows while cooking or hanging out. The kitchen itself is spacious with an island that gives you real prep space and storage — not just a corner to heat and eat. The big fridge and practical layout make it easy to cook real meals on the road, not just reheat.

The living area feels like a proper lounge — theater seating and sofa that you’ll actually use while you relax or watch TV after a long day of adventure. The bathroom’s size and layout make those mornings and evenings with a crowd way more comfortable.

Up front, the private bedroom gives you your own space with solid storage and enough room to stretch out. Tank capacities and utilities are set up to handle longer stays away from hookups, so you’re not constantly thinking about dumps or water fills.

Overall, the Momentum 396DB blends big-toy hauling capability with genuine interior living space — comfortable, functional, and built for real trips with family or crew. Toys or no toys, this rig is practical, livable, and ready for adventure.

View a video of this 2026 Grand Design Momentum 396DB RV on YouTube!

2026 Grand Design Momentum 396DB Features

Appliances
Furnace, Microwave, Oven, Refrigerator, Stove Top Burner, Water Heater
Electrical
Air Conditioning, Batteries, Generator, Solar Panels
Equipment
CO Detector, Fire Extinguisher, LED Lights, LP Detector, Propane, Smoke Detector, TV, TV Antenna
Exterior
Awning, Black Tank Flush, Detachable Power Cord, Enclosed Underbelly, External Shower, Heated Underbelly, Hitch, Ladder, Leveling Jacks, Mor-Ryde Suspension, Outside Entertainment Center, Pass Thru Storage, Power Awning, Rear Ramp Door, Roof Vent, Screen Door, Second Roof A/C, Slam Latch Baggage Doors, Slideout, Spare Tire Kit, Tinted Windows
Interior/Furnishings
Day/Night Shades, Dinette, Fireplace, Glass Shower Door, King Size Bed, Kitchen Sink, Medicine Cabinet, Overhead Cabinetry, Pantry, Roof Vents, Shower, Solid Surface Countertops, Theater Seating, Toilet, Two Full Baths, Wardrobe(s)

2026 Grand Design Momentum 396DB Specifications

General

MSRP

$173,110

Dimensions

Height

13' 6"

Height (interior)

8' 5"

Length

46' 4"

Width

8' 5"

Weights

Dry Weight

19,100 lbs

GVWR

23,500 lbs

Hitch Weight

3,760 lbs

Payload Capacity

4,400 lbs

Capacities

Refrigerator Capacity

20 cu ft

Sleep Capacity

Water Capacity - Black

52 gal

Water Capacity - Fresh

140 gal

Water Capacity - Grey

104 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Chassis

101" Wide Body Super Chassis w/Drop-Frame Storage

Hitch

Fifth Wheel

Rear Opening

Ramp

Electrical

# A/C

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 396DB Literature

2026 Grand Design Momentum Brochure 1

Call Seller

Seller Info

McClain's RV Superstore

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

Member Since 2019

See 1730 Reviews

More listings by this seller

Request More Info

Unit Specs

Stock #15850
Year2026
ManufacturerGrand Design RV
Make Grand Design
ModelMomentum
Floorplan396DB
Floorplan LayoutFront Bedroom
Kitchen Island
Loft
Mid Kitchen
Mid Living Area
Two Entry/Exit Doors
Two Full Baths
Type Toy Hauler
Secondary Type Fifth Wheel
ConditionNew
Mileage2 miles
Length46' 4"
Width8' 5"
Height13' 6"
VIN573FM4839TBB05256
MSRP $196,505.00
Sale Price $156,996.00
Need to know your payment? Use our RV Loan Calculator!
Sleeps7
Water Capacity (Fresh)140 gal
Water Capacity (Black)52 gal
Water Capacity (Grey)104 gal
Air Conditioners3
A/C Spec3 X 15K BTU
Refrigerator Capacity20 ft³
GVWR23,500 lbs
UVW19,100 lbs
Slideouts3
Tow/Hitch Weight3760 lbs