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Grand Design Momentum Toy Hauler Fifth Wheel

The Grand Design Momentum fifth wheel toy haulers combine absolute luxury with a mobile garage giving you an extraordinary living space while you play hard at your favorite off-road destinations! 

 

Each is built on a drop-frame chassis with MORryde CRE3000 suspension system and a rubber pin box providing smoother towing, improved towability and better protection from damaging rock shock. The enclosed fuel pump station provides gas fills, and the Weather-Tec package provides four seasons of traveling. The Luxury Interior package comes with a chef-inspired range and oven, recessed LED puck lighting, plus an LED TV in the living room to keep you entertained on rainy days. 

 

It's time for extreme adventure and luxurious accommodations, so choose a Momentum fifth wheel toy hauler by Grand Design today!

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Toy Hauler Fifth Wheel

  1. New 2025 Grand Design Momentum 397THS
    Stock #14819
    Nipomo
    LOWEST PRICE IN THE WESTERN USA. MANY EXTRAS INCLUDED. NO HIDDEN FEES.
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    New 2025 Grand Design Momentum 397THS
    Stock #14819
    Nipomo
    LOWEST PRICE IN THE WESTERN USA. MANY EXTRAS INCLUDED. NO HIDDEN FEES.
    • Sleeps 4
    • 3 Slides
    • 44ft long
    • 15600 lbs
    • Kitchen Island
    • Loft
    ...View Floorplan
    • Our Price: $116,942
    • MSRP Sale Price: $173,235
    • Save: $56,293
    View Details »
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  2. New 2026 Grand Design Momentum 399M
    Stock #15024
    Nipomo
    BRAND NEW MOMENTUM! LOWEST PRICE IN USA! WE BEAT EVERY DEALER!
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    New 2026 Grand Design Momentum 399M
    Stock #15024
    Nipomo
    BRAND NEW MOMENTUM! LOWEST PRICE IN USA! WE BEAT EVERY DEALER!
    • Sleeps 4
    • 3 Slides
    • 45ft long
    • 19170 lbs
    • Kitchen Island
    • Two Entry/Exit Doors
    ...View Floorplan
    • MSRP Sale Price: $199,887
    View Details »
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  3. Used 2024 Grand Design Momentum 397THS
    Stock #14104
    Nipomo
    FINANCE INCENTIVE PRICE. INCLUDES MANY EXTRAS! NO HIDDEN FEES!
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    Used 2024 Grand Design Momentum 397THS
    Stock #14104
    Nipomo
    FINANCE INCENTIVE PRICE. INCLUDES MANY EXTRAS! NO HIDDEN FEES!
    • Sleeps 4
    • 3 Slides
    • 44ft long
    • 15600 lbs
    • Kitchen Island
    • Loft
    ...View Floorplan
    • Our Price: $114,490
    • List Price: $172,182
    • Discount: $57,692
    UNLOCK YEAR END DISCOUNT View Details »
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Trailer Hitch RV is 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 @805-929-8095 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.