2024 Grand Design Solitude 375RES vs 2025 Keystone Alpine 3220RL

Detailed Comparison

Two noteworthy RVs face off: the 2024 Grand Design Solitude 375RES and the 2025 Keystone Alpine 3220RL. From dimensions to amenities, here's the full breakdown.

Dimensionally, you're looking at 31.5 ft for the Grand Design Solitude 375RES and 31.0 ft for the Keystone Alpine 3220RL. The Grand Design Solitude 375RES carries an extra 1,800 lbs, which affects tow vehicle requirements and fuel economy.

Capacity-wise, expect to sleep 7 in the Grand Design Solitude 375RES versus 7 in the Keystone Alpine 3220RL. With 4 and 5 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Grand Design Solitude 375RES carries 71 gal of fresh water, 40 gal gray, and 38 gal black. The Keystone Alpine 3220RL offers 83 gal fresh, 53 gal gray, and 48 gal black. The Keystone Alpine 3220RL has the edge for extended dry camping.

Budget-wise, the Grand Design Solitude 375RES is listed at $143,000 compared to $146,000 for the Keystone Alpine 3220RL.

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.

Remember, the perfect RV is the one you'll actually use. Pick the one that excites you most and hit the road.