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

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.

Specifications Comparison

Specification2025 Grand Design Momentum G-Class 29G2025 Keystone Raptor 423Advantage
CategoryToy HaulerToy Hauler
Year20252025Tie
Length34 ft43.5 ft
Width8 ft8.5 ft
Height12.5 ft13.5 ft
Dry Weight9,500 lbs7,700 lbs
GVWR11,900 lbs9,800 lbs
Sleeping Capacity44Tie
Fresh Water68 gal67 gal2025 Grand Design Momentum G-Class 29G
Gray Water41 gal68 gal2025 Keystone Raptor 423
Black Water40 gal49 gal2025 Keystone Raptor 423
Fuel Capacity33 gal54 gal2025 Keystone Raptor 423
Horsepower
Engine
Slide-Outs01
Solar150 W150 WTie
Battery200 Ah150 Ah2025 Grand Design Momentum G-Class 29G
Inverter2,500 W2,000 W2025 Grand Design Momentum G-Class 29G
MSRP$122,000$126,0002025 Grand Design Momentum G-Class 29G

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.

Individual Overviews

2025 Grand Design Momentum G-Class 29G

  • Category: Toy Hauler
  • Length: 34 ft
  • Weight: 9,500 lbs
  • Sleeps: 4
  • MSRP: $122,000
View Full Specs

2025 Keystone Raptor 423

  • Category: Toy Hauler
  • Length: 43.5 ft
  • Weight: 7,700 lbs
  • Sleeps: 4
  • MSRP: $126,000
View Full Specs