2024 Grand Design Momentum 351MS vs 2025 Forest River Shockwave 27FQMX

Detailed Comparison

If you're weighing the 2024 Grand Design Momentum 351MS against the 2025 Forest River Shockwave 27FQMX, you're looking at two solid contenders. Here's how they stack up.

In terms of footprint, the Grand Design Momentum 351MS stretches 30.5 ft while the Forest River Shockwave 27FQMX spans 35.5 ft. Weight-wise, the Grand Design Momentum 351MS is the lighter rig at 12,000 lbs versus 15,300 lbs.

The Grand Design Momentum 351MS sleeps 5 while the Forest River Shockwave 27FQMX accommodates 8.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Grand Design Momentum 351MS at 80 gallons versus 69 gallons. Solar-wise, you get 150W on the Grand Design Momentum 351MS and 150W on the Forest River Shockwave 27FQMX. Battery banks are 200 Ah and 200 Ah.

At $93,000 MSRP for the Grand Design Momentum 351MS and $94,000 for the Forest River Shockwave 27FQMX, the Grand Design Momentum 351MS saves you $1,000. With only a 1% price difference, the choice comes down to features rather than cost.

If you're traveling with a family, look for the model with more sleeping positions and better storage. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

At the end of the day, the best RV is the one that fits your travel dreams and budget. Either of these is a worthy choice.