New and used 31G Momentum G-Class by Grand Design RVs for sale

1 - 10 of 13 Results

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • $69,495.00
  • RIPON
  • Ripon, CA
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • $69,998.00
  • HAPPY DAZE RVS SACRAMENTO
  • Sacramento, CA
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • Call for price
  • CAMPERS INN RV CONWAY, SC
  • Conway, SC
View Details

2025 Grand Design Momentum G-Class Toy Hauler 31G Highlights

  • Bath and a Half: Convenience with a full bath and a half bath in the garage.
  • Dual Entry: Easy access from the garage and the main living space.
  • Theater Seating: Relax in comfort while enjoying your favorite shows.
  • 18' Power Awning with LED Lights: Perfect for outdoor entertainment.
  • 13' Separate Garage: Ideal for storing toys, tools, and gear.
  • Universal Docking Station: Convenient and centralized utility hookups.

Interior Features

Living and Entertainment

  • Theater Seating: Located in the slide-out for ultimate comfort and movie nights.
  • LED HDTV: Swivels for optimal viewing from the theater seating.
  • Happi-Jac Sofas: Comfortable seating in the garage area for guests or downtime.

Kitchen

  • Full Kitchen: Equipped with all the necessary appliances to prepare meals for the whole group.

Bedrooms and Bathrooms

  • Master Suite: Features a corner private bedroom with access to the full bath.
  • Dual Entry Bath: Full bath accessible from both the bedroom and the main living area.
  • Half Bath in Garage: Perfect for guests or outdoor enthusiasts using the garage.

Exterior Features

  • 13' Separate Garage: Spacious area for storing your dirt bikes, ATVs, or other outdoor equipment.
  • 30-Gallon Fuel Station: Fill up your toys with ease before heading out on the trails.
  • 18' Power Awning with LED Lights: Extend your living space outdoors while enjoying the ambiance of LED lighting.
  • Dovetail Rear End & 2,500-LB Tie-Downs: Securely transport your toys with heavy-duty tie-downs anchored into the chassis.

Construction and Technology

  • Insulation Package: Includes a heated and enclosed underbelly, suspended tanks, a moisture barrier floor enclosure, and high-capacity furnace to keep you comfortable year-round.
  • Universal Docking Station: Centralized hookups for convenience when setting up camp.
  • Residential Cabinetry: Premium cabinetry throughout the interior for a luxurious, home-like feel.

The 2025 Grand Design Momentum G-Class 31G is the ultimate toy hauler for adventure enthusiasts! Offering a large garage, dual-entry access, and an inviting living area with theater seating, this unit is designed to maximize both comfort and functionality. Whether you're off-roading or relaxing, this toy hauler ensures that your next adventure will be a breeze.


Disclaimer:
Contact us today to confirm options and availability.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • $86,119.00
  • BRETZ RV & MARINE NAMPA, ID
  • Nampa, ID
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • $86,119.00
  • BRETZ RV & MARINE MISSOULA, MT
  • Missoula, MT
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • $69,495.00
  • PLEASURELAND RV SIOUX FALLS, SD
  • Sioux Falls, SD
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

 

OPTIONS:

  • Luxury Interior Package
  • Exterior Package
  • Garage/Cargo Package
  • Insulation Package
  • Happi-Jac Electric Bunk System w/Folding Sofas
  • A/C w/Race Track Ducting
  • Rockford Fosgate Stage 1 Stereo
    • 500 Watts
    • Int/Ext Speakers w/10" Powered Sub
  • Under Unit LED Light Kit
  • Goodyear Tires
  • 8 cf. 12V Refrigerator
  • SafeRide RV Roadside Assistance
  • 5.5KW Generator
  • 2nd A/C - 15K BTU
  • Rear Aluminum Deck System w/Rear Power Awning
  • Gen II 3-Season Door w/Sliding Windows
  • Solar+ Package
    • Dual 330W Panels
    • 2000W Inverter
    • 50 AMP Controller
    • 2 Dock Ports
    • Bluetooth Module

LIST OF OPTIONS MAY NOT BE ACCURATE

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • Call for price
  • MESA, AZ
  • Mesa, AZ
View Details

2025 Grand Design Momentum G-Class 31G Toy Hauler – Built for Adventure

Get ready to chase new trails with the 2025 Grand Design Momentum G-Class 31G, a feature-packed toy hauler designed for thrill-seekers and outdoor enthusiasts. With a 13' separate garage, bath and a half, and premium comforts, this RV is built to keep the fun going wherever you roam.

Key Highlights:

  • 13' Separate Garage: Load up your ATVs, dirt bikes, or kayaks with ease. The garage includes Happi-Jac sofas with a table, offering a comfortable spot to relax or dine when the toys are out. Need more sleeping space? Opt for the top bed above the sofas.

  • 30-Gallon Fuel Station: Keep the adventure going longer with the 30-gallon fuel station, complete with interior and exterior gauges, so you can refuel your toys without heading back to civilization.

  • Bath and a Half: Enjoy the convenience of a dual-entry full bath connected to the master suite, while your guests appreciate the half bath in the garage.

  • Dual Entry: Effortlessly access the living area or garage through separate exterior doors, making loading, unloading, and moving around a breeze.

  • Theater Seating: After a day of adventure, kick back on the theater seating in the main living area, perfectly positioned for watching movies or relaxing.

  • 18' Power Awning with LED Lights: Extend your living space outdoors with the large awning, offering shade by day and ambiance by night.

Interior Comfort and Convenience:

  • Spacious Master Suite: The front corner bedroom offers a peaceful retreat with a queen-size bed, overhead storage, and easy access to the full bath.

  • Large Panoramic Windows: Enjoy expansive views of the outdoors from the comfort of your RV, filling the space with natural light.

  • USB Chargers in Bedroom: Conveniently charge your devices while you rest.

  • Residential Cabinetry: Stylish and functional, the cabinetry offers ample storage with a residential feel.

Built for All-Season Adventures:

  • Insulation Package: Stay comfortable year-round with a heated and enclosed underbelly with suspended tanks, a moisture barrier floor enclosure, and cabinet-mounted heat ducts.

  • High-Capacity Furnace: Brave cooler weather with confidence thanks to the powerful furnace that keeps the interior warm and cozy.

Why Buy the 2025 Grand Design Momentum G-Class 31G?

  • Versatility: The separate garage doubles as a flexible space—whether you need a gear hauler, lounge, or guest room.

  • Comfort: With the bath and a half, theater seating, and premium amenities, you'll enjoy home-like comfort on the road.

  • Quality Construction: Built with Grand Design's commitment to durability and innovation, ensuring reliability and longevity.

 

Take your adventures to the next level with the 2025 Grand Design Momentum G-Class 31G—a toy hauler that blends rugged capability with residential comfort.

Stock 360 Tours and Stock Images May Be Shown. Colors and Specs May Vary. Call for Details.

Used 2024 Grand Design Momentum G-Class 31G image
Used 2024 Grand Design Momentum G-Class 31G
  • Call for price
  • PLEASURELAND RV RAMSEY, MN
  • Ramsey, MN
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. There is also an optional top bed above the sofa if you need additional sleeping space. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

New 2025 Grand Design Momentum G-Class 31G image
New 2025 Grand Design Momentum G-Class 31G
  • Call for price
  • LITTLE DEALER OF MESA, AZ
  • Mesa, AZ
View Details

2025 Grand Design Momentum G-Class 31G Toy Hauler – Built for Adventure

Get ready to chase new trails with the 2025 Grand Design Momentum G-Class 31G, a feature-packed toy hauler designed for thrill-seekers and outdoor enthusiasts. With a 13' separate garage, bath and a half, and premium comforts, this RV is built to keep the fun going wherever you roam.

Key Highlights:

  • 13' Separate Garage: Load up your ATVs, dirt bikes, or kayaks with ease. The garage includes Happi-Jac sofas with a table, offering a comfortable spot to relax or dine when the toys are out. Need more sleeping space? Opt for the top bed above the sofas.

  • 30-Gallon Fuel Station: Keep the adventure going longer with the 30-gallon fuel station, complete with interior and exterior gauges, so you can refuel your toys without heading back to civilization.

  • Bath and a Half: Enjoy the convenience of a dual-entry full bath connected to the master suite, while your guests appreciate the half bath in the garage.

  • Dual Entry: Effortlessly access the living area or garage through separate exterior doors, making loading, unloading, and moving around a breeze.

  • Theater Seating: After a day of adventure, kick back on the theater seating in the main living area, perfectly positioned for watching movies or relaxing.

  • 18' Power Awning with LED Lights: Extend your living space outdoors with the large awning, offering shade by day and ambiance by night.

Interior Comfort and Convenience:

  • Spacious Master Suite: The front corner bedroom offers a peaceful retreat with a queen-size bed, overhead storage, and easy access to the full bath.

  • Large Panoramic Windows: Enjoy expansive views of the outdoors from the comfort of your RV, filling the space with natural light.

  • USB Chargers in Bedroom: Conveniently charge your devices while you rest.

  • Residential Cabinetry: Stylish and functional, the cabinetry offers ample storage with a residential feel.

Built for All-Season Adventures:

  • Insulation Package: Stay comfortable year-round with a heated and enclosed underbelly with suspended tanks, a moisture barrier floor enclosure, and cabinet-mounted heat ducts.

  • High-Capacity Furnace: Brave cooler weather with confidence thanks to the powerful furnace that keeps the interior warm and cozy.

Why Buy the 2025 Grand Design Momentum G-Class 31G?

  • Versatility: The separate garage doubles as a flexible space—whether you need a gear hauler, lounge, or guest room.

  • Comfort: With the bath and a half, theater seating, and premium amenities, you'll enjoy home-like comfort on the road.

  • Quality Construction: Built with Grand Design's commitment to durability and innovation, ensuring reliability and longevity.

 

Take your adventures to the next level with the 2025 Grand Design Momentum G-Class 31G—a toy hauler that blends rugged capability with residential comfort.

Stock 360 Tours and Stock Images May Be Shown. Colors and Specs May Vary. Call for Details.

Used 2023 Grand Design Momentum G-Class 31G image
Used 2023 Grand Design Momentum G-Class 31G
  • $51,993.00
  • GENERAL RV CENTER TAMPA, FL
  • Dover, FL
View Details

Grand Design Momentum G-Class toy hauler 31G highlights:

  • Bath and a Half
  • Dual Entry
  • Theater Seating
  • 18' Power Awning with LED Lights
  • 13' Separate Garage
  • Universal Docking Station

 

Head out to find new trails in this Momentum G-Class toy hauler travel trailer! Once you remove your dirt bikes from the 13' separate garage, fill them up using the 30-gallon fuel station and start having fun right away! The table with Happi-Jac sofas will allow those who stayed back a place to play cards, or they can head to the main living area to relax on the slide out theater seating. The LED HDTV swivels for a better view, and the kitchen includes all the appliances needed for lunch. The front corner master suite includes a private entrance into the dual-entry full bath, and your guests will appreciate the half bath in the garage!

 

Are you looking for adventure and fun? The Momentum G-Class toy hauler by Grand Design will help you find it! You can explore during any season you choose with the Insulation Package that includes a heated and enclosed underbelly with suspended tanks, a high-capacity furnace, a moisture barrier floor enclosure, and cabinet-mounted heat ducts. Each model includes a 30-gallon fuel station with an interior and exterior gauge, a dovetail rear rend, and 2,500-LB tie-downs anchored into the chassis. Throughout the Momentum G-Class interior, you'll enjoy many comfortable features like large panoramic windows, a shower skylight, USB chargers in the bedroom, and residential cabinetry.

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