2025 Grand Design Momentum M-Class 395MS vs 2024 Forest River XLR Boost 36DSX

Detailed Comparison

When it comes to the 2025 Grand Design Momentum M-Class 395MS versus the 2024 Forest River XLR Boost 36DSX, the right choice depends on your travel style and priorities.

The Grand Design Momentum M-Class 395MS measures 42.5 ft in length at 10,300 lbs, compared to the Forest River XLR Boost 36DSX's 27.0 ft and 15,300 lbs. GVWR ratings sit at 12,400 lbs and 18,200 lbs respectively.

For sleeping arrangements, the Grand Design Momentum M-Class 395MS offers room for 7 and the Forest River XLR Boost 36DSX can handle 9. The Forest River XLR Boost 36DSX benefits from 2 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Momentum M-Class 395MS packs 61 gal of fresh water and 300W of solar. The Forest River XLR Boost 36DSX counters with 78 gal fresh water and 100W solar.

Price is often the deciding factor. The Forest River XLR Boost 36DSX starts at $170,000 MSRP, while the Grand Design Momentum M-Class 395MS commands $176,000 — a $6,000 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.

Take these specs as a starting point, then go see them in person — there's no substitute for stepping inside.