2024 Keystone Cougar 290RLS vs 2025 Keystone Avalanche 312RS

Detailed Comparison

Two noteworthy RVs face off: the 2024 Keystone Cougar 290RLS and the 2025 Keystone Avalanche 312RS. From dimensions to amenities, here's the full breakdown.

In terms of footprint, the Keystone Cougar 290RLS stretches 31.5 ft while the Keystone Avalanche 312RS spans 38.0 ft. Weight-wise, the Keystone Avalanche 312RS is the lighter rig at 8,300 lbs versus 14,700 lbs.

Capacity-wise, expect to sleep 7 in the Keystone Cougar 290RLS versus 6 in the Keystone Avalanche 312RS. With 2 and 2 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Keystone Cougar 290RLS carries 50 gal of fresh water, 66 gal gray, and 49 gal black. The Keystone Avalanche 312RS offers 74 gal fresh, 46 gal gray, and 46 gal black. The Keystone Avalanche 312RS has the edge for extended dry camping.

Budget-wise, the Keystone Cougar 290RLS is listed at $127,000 compared to $135,000 for the Keystone Avalanche 312RS.

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.

At the end of the day, the best RV is the one that fits your travel dreams and budget. Either of these is a worthy choice.