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New 2021 Grand Design Momentum G-Class 31G

Virtual Tour Fiberglass New Floor Plan
Call Us at 812-354-2979
2021 31G Features and Options

New 2021 Grand Design Momentum G-Class 31G


  • Front Queen Bed on Slide 
  • Bath with Large Shower
  • 2 Slides in Living Area
  • Theater Reclining Sofa
  • Kitchen with Amazing Storage
  • 13' Garage with Happi Jac Bed System
  • 30 Gal. On Board gas Tank
  • Ladder
  • Electric Tongue Jack and Manual Stabilizer Jacks


Optioned With: 15K A/C, Happi-Jac Bed System, Rockford Fosgate Speaker Upgrade, Good Year Tires, 2nd A/C 13.5 BTU, 4K Onan Generator, Rear Deck System with Power Awning, Gen II 3 Seasin Garage Door. 

What Our Customers Are Saying

Thank You

Purchased our first RV from Evans. Great customer service! - Anonymous
MSRP: $63,716
Location: Petersburg, IN
Stock# M1213608
2021 31G Specifications
Sleeps 6
Slides 3
Length 35 ft 11 in
Ext Height 12 ft 1 in
Interior Color Slate
Exterior Color White
Hitch Weight 1600 lbs
Dry Weight 9748 lbs
Fresh Water Capacity 100 gals
Grey Water Capacity 57 gals
Black Water Capacity 57 gals
Generator 4000W Onan Cummins
Fuel Capacity 30 gals
Available Beds Queen, Queen, Queen
Refrigerator Type Dbl. Door Gas/Electric
Refrigerator Size 8 cu ft
Cooktop Burners 3
Shower Size 30 x 36
Number of Awnings 1
Garage Size 13 ft
LP Tank Capacity 60
Water Heater Capacity 6 gal
Water Heater Type Gas/Electric DSI
AC BTU 28500 btu
TV Info TV
Awning Info 18'
Axle Count 2
Number of LP Tanks 2
Shower Type Standard
Electrical Service 30 amp
For more information, call us at 812-354-2979 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.
Evans RV Sales is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @812-354-2979 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.