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New 2021 Grand Design Momentum G-Class 31G

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2021 31G Features and Options

The all new Momentum 31G by Grand Design RV is the latest addition to the premium G-Class Travel Trailer Toy Hauler lineup. The 31G toy hauler features an incredible 13-foot garage that can fit larger UTVs, ATVs, motorcycles, kayaks, and more! This travel trailer toy hauler is based on the footprint of the Momentum 29G with a larger garage, upgraded counterspace, and a full kitchen pantry. The all new Momentum 31G is an adventurer’s dream!


The Momentum 31G comes standard with the G-Class Luxury Interior Package, the G-Class Exterior Package, the G-Class Garage/Cargo Package, G-Class Under Unit LED Light Kit, and the G-Class Insulation Package.  Standard options also include a 15K A/C with Racetrack Ducting, Rockford Speaker Upgrade with Powered Subwoofer, Solar Prep, and GOODYEAR TIRES!

What Our Customers Are Saying

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Location: Vermont
Stock# GDRV31G
For more information, call us at 802-223-6417 or Contact Us
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Thank you for taking the time to view and consider Grand Design RVs, where we build every RV to deliver more features and superior value for your dollar, then we back every one of our coaches with a 3-year limited structural warranty.
Every Grand Design RV is put through a series of quality inspection gates during the manufacturing process.  Once completed, the unit undergoes a comprehensive final finish inspection before being delivered to our dealer network for you to view or test drive.
We deliver the highest quality RVs in the industry, but anything built by humans can be subject to issues.  It’s how those issues are addressed that stands out with Grand Design. We stand behind our products, and stand ready to assist customers whenever needed.
At Grand Design our goal is simple...Continue leading the industry with quality products while improving the customer's RV experience before, during, and after the sale.

* is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration/title fees, DMV fees, prep charges, doc fee, and delivery fees. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 888-223-9299 or 603-736-8363 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. Payment estimates are based on 30% cash or trade equity down and 144 months at 5.99% financing amounts under $25k; or 180 months at 5.99% financing amounts up to $50k; or 240 months at 5.99% financing amounts over $50k. Not all units or buyers qualify at these rates or terms.