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Home › Brands › Grand Design › Momentum › 21G

2026 Grand Design Momentum 21G

Floorplan diagram, specifications and live availability at Motor Sportsland.

Length 26' 11"Dry Weight 6400Ext Height 12' 2"Fresh Water Capacity 90Garage Size 14'Black Water Capacity 39
2026 Grand Design Momentum 21G floorplan diagram

2026 Grand Design Momentum 21G specifications

Length26' 11"
Dry Weight6400
Ext Height12' 2"
Fresh Water Capacity90
Garage Size14'
Black Water Capacity39
Cargo Capacity4600
Grey Water Capacity74
GVWR11000
Hitch Weight920

Availability

Not in stock right now — we can order the 2026 Grand Design Momentum 21G for you. Call (801) 262-2921.

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← all Momentum floorplans · Call (801) 262-2921 about the 2026 Grand Design Momentum 21G.