2025 Grand Design Momentum 395MS vs 2024 Grand Design Momentum G-Class 23G

Detailed Comparison

RV buyers frequently compare the 2025 Grand Design Momentum 395MS and 2024 Grand Design Momentum G-Class 23G. Understanding their differences can save you from buyer's remorse.

Dimensionally, you're looking at 38.0 ft for the Grand Design Momentum 395MS and 29.5 ft for the Grand Design Momentum G-Class 23G. The Grand Design Momentum 395MS carries an extra 4,800 lbs, which affects tow vehicle requirements and fuel economy.

Capacity-wise, expect to sleep 4 in the Grand Design Momentum 395MS versus 8 in the Grand Design Momentum G-Class 23G. With 2 and 0 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Grand Design Momentum 395MS carries 75 gal of fresh water, 42 gal gray, and 47 gal black. The Grand Design Momentum G-Class 23G offers 55 gal fresh, 72 gal gray, and 38 gal black. The Grand Design Momentum 395MS has the edge for extended dry camping.

Budget-wise, the Grand Design Momentum 395MS is listed at $87,000 compared to $92,000 for the Grand Design Momentum G-Class 23G.

For family camping trips, the larger floor plan and additional berths make a real difference. For boondocking, the model with superior solar and battery setup will keep you comfortable off the grid longer. If you're going full-time, the larger tanks and more robust build quality matter enormously.

Whichever you choose, you'll be getting a capable rig. Just make sure to inspect one in person before signing.