2025 Grand Design Momentum 376THS vs 2024 Keystone Outback 340BH

Detailed Comparison

The 2025 Grand Design Momentum 376THS and 2024 Keystone Outback 340BH might look similar on paper, but dig into the details and you'll find meaningful differences.

Dimensionally, you're looking at 28.5 ft for the Grand Design Momentum 376THS and 43.0 ft for the Keystone Outback 340BH. The Grand Design Momentum 376THS carries an extra 3,100 lbs, which affects tow vehicle requirements and fuel economy.

For sleeping arrangements, the Grand Design Momentum 376THS offers room for 9 and the Keystone Outback 340BH can handle 5. The Keystone Outback 340BH benefits from 3 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Momentum 376THS packs 71 gal of fresh water and 200W of solar. The Keystone Outback 340BH counters with 61 gal fresh water and 400W solar.

Price is often the deciding factor. The Grand Design Momentum 376THS starts at $160,000 MSRP, while the Keystone Outback 340BH commands $162,000 — a $2,000 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.