2025 Grand Design Momentum G-Class 28G vs 2025 Grand Design Momentum M-Class 350M

Detailed Comparison

Choosing between the 2025 Grand Design Momentum G-Class 28G and the 2025 Grand Design Momentum M-Class 350M? Both are excellent options in the RV world, but they cater to different priorities.

Dimensionally, you're looking at 43.0 ft for the Grand Design Momentum G-Class 28G and 42.0 ft for the Grand Design Momentum M-Class 350M. The Grand Design Momentum G-Class 28G carries an extra 1,500 lbs, which affects tow vehicle requirements and fuel economy.

For sleeping arrangements, the Grand Design Momentum G-Class 28G offers room for 10 and the Grand Design Momentum M-Class 350M can handle 9. The Grand Design Momentum M-Class 350M benefits from 3 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Momentum G-Class 28G packs 56 gal of fresh water and 150W of solar. The Grand Design Momentum M-Class 350M counters with 78 gal fresh water and 350W solar.

Price is often the deciding factor. The Grand Design Momentum G-Class 28G starts at $70,000 MSRP, while the Grand Design Momentum M-Class 350M commands $81,000 — a $11,000 gap.

Families with kids will appreciate the extra sleeping capacity and living space. Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Full-timers should prioritize tank capacity, storage, and overall living comfort.

Remember, the perfect RV is the one you'll actually use. Pick the one that excites you most and hit the road.