2025 Grand Design Momentum G-Class 28G vs 2024 Keystone Fuzion 419

Detailed Comparison

When it comes to the 2025 Grand Design Momentum G-Class 28G versus the 2024 Keystone Fuzion 419, the right choice depends on your travel style and priorities.

Starting with size, the Grand Design Momentum G-Class 28G measures 43.0 ft long and tips the scales at 12,000 lbs dry weight. The Keystone Fuzion 419 comes in at 27.0 ft with a dry weight of 8,600 lbs. That gives the Grand Design Momentum G-Class 28G roughly 16.0 extra feet of length.

For sleeping arrangements, the Grand Design Momentum G-Class 28G offers room for 10 and the Keystone Fuzion 419 can handle 10.

Looking at self-sufficiency, the Grand Design Momentum G-Class 28G packs 56 gal of fresh water and 150W of solar. The Keystone Fuzion 419 counters with 80 gal fresh water and 350W solar.

Price is often the deciding factor. The Keystone Fuzion 419 starts at $70,000 MSRP, while the Grand Design Momentum G-Class 28G commands $70,000 — a $0 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.

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