2025 Forest River Shockwave 27FQMX vs 2024 Grand Design Momentum G-Class 23G

Detailed Comparison

RV buyers frequently compare the 2025 Forest River Shockwave 27FQMX and 2024 Grand Design Momentum G-Class 23G. Understanding their differences can save you from buyer's remorse.

Starting with size, the Forest River Shockwave 27FQMX measures 35.5 ft long and tips the scales at 15,300 lbs dry weight. The Grand Design Momentum G-Class 23G comes in at 29.5 ft with a dry weight of 7,800 lbs. That gives the Forest River Shockwave 27FQMX roughly 6.0 extra feet of length.

Capacity-wise, expect to sleep 8 in the Forest River Shockwave 27FQMX versus 8 in the Grand Design Momentum G-Class 23G.

Tank capacities are a key off-grid consideration. The Forest River Shockwave 27FQMX carries 69 gal of fresh water, 47 gal gray, and 49 gal black. The Grand Design Momentum G-Class 23G offers 55 gal fresh, 72 gal gray, and 38 gal black. The Forest River Shockwave 27FQMX has the edge for extended dry camping.

Budget-wise, the Grand Design Momentum G-Class 23G is listed at $92,000 compared to $94,000 for the Forest River Shockwave 27FQMX.

For family camping trips, the larger floor plan and additional berths make a real difference. For boondocking, the model with superior solar and battery setup will keep you comfortable off the grid longer. If you're going full-time, the larger tanks and more robust build quality matter enormously.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.