2025 Grand Design Solitude 280RK vs 2024 Highland Ridge Mesa Ridge 374BHS

Detailed Comparison

Shopping for an RV and torn between the 2025 Grand Design Solitude 280RK and the 2024 Highland Ridge Mesa Ridge 374BHS? We've put together a detailed spec comparison to help you decide.

The Grand Design Solitude 280RK measures 34.5 ft in length at 8,300 lbs, compared to the Highland Ridge Mesa Ridge 374BHS's 38.0 ft and 10,200 lbs. GVWR ratings sit at 12,100 lbs and 12,600 lbs respectively.

Capacity-wise, expect to sleep 6 in the Grand Design Solitude 280RK versus 6 in the Highland Ridge Mesa Ridge 374BHS. 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 280RK carries 57 gal of fresh water, 74 gal gray, and 43 gal black. The Highland Ridge Mesa Ridge 374BHS offers 99 gal fresh, 77 gal gray, and 45 gal black. The Highland Ridge Mesa Ridge 374BHS has the edge for extended dry camping.

Budget-wise, the Highland Ridge Mesa Ridge 374BHS is listed at $170,000 compared to $171,000 for the Grand Design Solitude 280RK.

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.