2025 Airstream Bambi 19CB vs 2025 Grand Design Momentum G-Class 29G

Detailed Comparison

Two popular options on many shoppers' shortlists — the 2025 Airstream Bambi 19CB and the 2025 Grand Design Momentum G-Class 29G. Let's see how they compare across the specs that matter most.

Starting with size, the Airstream Bambi 19CB measures 15.0 ft long and tips the scales at 6,900 lbs dry weight. The Grand Design Momentum G-Class 29G comes in at 34.0 ft with a dry weight of 9,500 lbs. That gives the Grand Design Momentum G-Class 29G roughly 19.0 extra feet of length.

The Airstream Bambi 19CB sleeps 4 while the Grand Design Momentum G-Class 29G accommodates 4. Slide-outs play a role in livability: the Airstream Bambi 19CB has 2 and the Grand Design Momentum G-Class 29G has 0.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Grand Design Momentum G-Class 29G at 68 gallons versus 20 gallons. Solar-wise, you get 100W on the Airstream Bambi 19CB and 150W on the Grand Design Momentum G-Class 29G. Battery banks are 100 Ah and 200 Ah.

At $119,000 MSRP for the Airstream Bambi 19CB and $122,000 for the Grand Design Momentum G-Class 29G, the Airstream Bambi 19CB saves you $3,000. With only a 3% price difference, the choice comes down to features rather than cost.

Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. If you're a weekend camper, don't over-buy — the smaller, lighter model may serve you perfectly. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

Ultimately, both rigs have their merits — test drive each one and see which floor plan speaks to your lifestyle.