2025 Grand Design Momentum 395MS vs 2024 Grand Design Momentum 351MS

Detailed Comparison

Looking at the 2025 Grand Design Momentum 395MS alongside the 2024 Grand Design Momentum 351MS? Smart move — comparing specs before you buy is the best way to ensure satisfaction.

Starting with size, the Grand Design Momentum 395MS measures 38.0 ft long and tips the scales at 12,600 lbs dry weight. The Grand Design Momentum 351MS comes in at 30.5 ft with a dry weight of 12,000 lbs. That gives the Grand Design Momentum 395MS roughly 7.5 extra feet of length.

For sleeping arrangements, the Grand Design Momentum 395MS offers room for 4 and the Grand Design Momentum 351MS can handle 5. The Grand Design Momentum 395MS benefits from 2 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Momentum 395MS packs 75 gal of fresh water and 100W of solar. The Grand Design Momentum 351MS counters with 80 gal fresh water and 150W solar.

Price is often the deciding factor. The Grand Design Momentum 395MS starts at $87,000 MSRP, while the Grand Design Momentum 351MS commands $93,000 — a $6,000 gap.

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.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.