2025 Grand Design Solitude 310GK vs 2024 Grand Design Reflection 303RLS

Detailed Comparison

If you're weighing the 2025 Grand Design Solitude 310GK against the 2024 Grand Design Reflection 303RLS, you're looking at two solid contenders. Here's how they stack up.

The Grand Design Solitude 310GK measures 30.5 ft in length at 12,500 lbs, compared to the Grand Design Reflection 303RLS's 28.0 ft and 8,400 lbs. GVWR ratings sit at 16,800 lbs and 12,300 lbs respectively.

The Grand Design Solitude 310GK sleeps 6 while the Grand Design Reflection 303RLS accommodates 4. Slide-outs play a role in livability: the Grand Design Solitude 310GK has 5 and the Grand Design Reflection 303RLS has 3.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Grand Design Reflection 303RLS at 80 gallons versus 64 gallons. Solar-wise, you get 150W on the Grand Design Solitude 310GK and 250W on the Grand Design Reflection 303RLS. Battery banks are 250 Ah and 200 Ah.

At $80,000 MSRP for the Grand Design Solitude 310GK and $60,000 for the Grand Design Reflection 303RLS, the Grand Design Reflection 303RLS saves you $20,000.

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.

No comparison can replace walking through each unit yourself. Visit a dealer and experience the layouts firsthand.