2024 Grand Design Momentum G-Class 25G vs 2025 Grand Design Momentum G-Class 28G

When it comes to the 2024 Grand Design Momentum G-Class 25G versus the 2025 Grand Design Momentum G-Class 28G, the right choice depends on your travel style and priorities.

Specifications Comparison

Specification2024 Grand Design Momentum G-Class 25G2025 Grand Design Momentum G-Class 28GAdvantage
CategoryToy HaulerToy Hauler
Year202420252025 Grand Design Momentum G-Class 28G
Length30 ft43 ft
Width8.5 ft8.5 ft
Height13 ft12.5 ft
Dry Weight10,100 lbs12,000 lbs
GVWR14,200 lbs15,200 lbs
Sleeping Capacity6102025 Grand Design Momentum G-Class 28G
Fresh Water95 gal56 gal2024 Grand Design Momentum G-Class 25G
Gray Water60 gal80 gal2025 Grand Design Momentum G-Class 28G
Black Water35 gal46 gal2025 Grand Design Momentum G-Class 28G
Fuel Capacity34 gal31 gal2024 Grand Design Momentum G-Class 25G
Horsepower
Engine
Slide-Outs00
Solar250 W150 W2024 Grand Design Momentum G-Class 25G
Battery100 Ah150 Ah2025 Grand Design Momentum G-Class 28G
Inverter3,000 W1,000 W2024 Grand Design Momentum G-Class 25G
MSRP$41,000$70,0002024 Grand Design Momentum G-Class 25G

Detailed Comparison

When it comes to the 2024 Grand Design Momentum G-Class 25G versus the 2025 Grand Design Momentum G-Class 28G, the right choice depends on your travel style and priorities.

Starting with size, the Grand Design Momentum G-Class 25G measures 30.0 ft long and tips the scales at 10,100 lbs dry weight. The Grand Design Momentum G-Class 28G comes in at 43.0 ft with a dry weight of 12,000 lbs. That gives the Grand Design Momentum G-Class 28G roughly 13.0 extra feet of length.

For sleeping arrangements, the Grand Design Momentum G-Class 25G offers room for 6 and the Grand Design Momentum G-Class 28G can handle 10.

Looking at self-sufficiency, the Grand Design Momentum G-Class 25G packs 95 gal of fresh water and 250W of solar. The Grand Design Momentum G-Class 28G counters with 56 gal fresh water and 150W solar.

Price is often the deciding factor. The Grand Design Momentum G-Class 25G starts at $41,000 MSRP, while the Grand Design Momentum G-Class 28G commands $70,000 — a $29,000 gap. That's a significant 71% premium you'll need to justify.

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.

Individual Overviews

2024 Grand Design Momentum G-Class 25G

  • Category: Toy Hauler
  • Length: 30 ft
  • Weight: 10,100 lbs
  • Sleeps: 6
  • MSRP: $41,000
View Full Specs

2025 Grand Design Momentum G-Class 28G

  • Category: Toy Hauler
  • Length: 43 ft
  • Weight: 12,000 lbs
  • Sleeps: 10
  • MSRP: $70,000
View Full Specs