2026 GRAND DESIGN MOMENTUM 399M

MSRP: $195,986

$139,995

SAVE $55,991

RV Location:5485 Pepper ChaseSouthaven, Mississippi 38671

Southaven RV

Contact:Sales Department

Phone:(901) 424-7030

Southaven, Mississippi 38671

(901) 424-7030

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Description

2026 Grand Design Momentum M-Class 399M **IN STOCK**DON'T TELL GRAND DESIGN** Stock No. GR2490 $139,995.00 Our top-of-the-line Momentum Fifth Wheel Toy Haulers are — inside and out — our most luxurious Toy Haulers. With the comfort of a master suite and master bath, home’s now a long way from your house.

Specifications

Stock NumberGR2490

VIN573FM4734TBB04792

Year2026

RoadworthyYes

CategoryFifth Wheel Toy Haulers

ManufacturerGRAND DESIGN

ModelMOMENTUM 399M

LocationSouthaven, Mississippi 38671

ConditionNew

Fresh Water Tank Capacity140 gal

Gray Water Tank Capacity104 gal

Black Water Tank Capacity52 gal

LPG Capacity60 gal

Sleeps9

Number of Slide Outs3

Garage Length12 ft 6 in

Awning Length26 ft 9 in

GeneratorYes

Washer / Dryer PrepYes

FireplaceYes

Front BedroomYes

Full BathYes

Island KitchenYes

Mid KitchenYes

Mid LivingYes

Outdoor KitchenYes

Patio DeckYes

Rear GarageYes

Number of AxlesTri

Gross Vehicle Weight22,500 lb

Hitch Weight3,464 lb

Exterior Length44 ft 10 in

Exterior Width8 ft 5 in

Exterior Height13 ft 6 in

Pass Through StorageYes

Interior Height101 in

Air ConditioningYes

Furnace BTUs35000

Shipping Weight18,000 lb

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2026 GRAND DESIGN MOMENTUM 399M

Seller Information

Description

Specifications