2025 Grand Design Momentum G-Class 29G vs 2025 Keystone Raptor 423

Detailed Comparison

Choosing between the 2025 Grand Design Momentum G-Class 29G and the 2025 Keystone Raptor 423? Both are excellent options in the RV world, but they cater to different priorities.

Dimensionally, you're looking at 34.0 ft for the Grand Design Momentum G-Class 29G and 43.5 ft for the Keystone Raptor 423. The Grand Design Momentum G-Class 29G carries an extra 1,800 lbs, which affects tow vehicle requirements and fuel economy.

For sleeping arrangements, the Grand Design Momentum G-Class 29G offers room for 4 and the Keystone Raptor 423 can handle 4. The Keystone Raptor 423 benefits from 1 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Grand Design Momentum G-Class 29G packs 68 gal of fresh water and 150W of solar. The Keystone Raptor 423 counters with 67 gal fresh water and 150W solar.

Price is often the deciding factor. The Grand Design Momentum G-Class 29G starts at $122,000 MSRP, while the Keystone Raptor 423 commands $126,000 — a $4,000 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.

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