2024 Grand Design Solitude 375RES vs 2024 Keystone Impact 317

Detailed Comparison

Shopping for an RV and torn between the 2024 Grand Design Solitude 375RES and the 2024 Keystone Impact 317? We've put together a detailed spec comparison to help you decide.

The Grand Design Solitude 375RES measures 31.5 ft in length at 14,700 lbs, compared to the Keystone Impact 317's 30.0 ft and 7,700 lbs. GVWR ratings sit at 18,000 lbs and 9,800 lbs respectively.

Capacity-wise, expect to sleep 7 in the Grand Design Solitude 375RES versus 8 in the Keystone Impact 317. With 4 and 1 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 Impact 317 offers 61 gal fresh, 79 gal gray, and 44 gal black. The Grand Design Solitude 375RES has the edge for extended dry camping.

Budget-wise, the Grand Design Solitude 375RES is listed at $143,000 compared to $144,000 for the Keystone Impact 317.

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.

Take these specs as a starting point, then go see them in person — there's no substitute for stepping inside.