2025 Keystone Cougar 354FLS vs 2024 Keystone Arcadia 378RL

Detailed Comparison

The 2025 Keystone Cougar 354FLS and 2024 Keystone Arcadia 378RL represent two compelling choices for RV enthusiasts. Let's break down what sets them apart.

Dimensionally, you're looking at 34.0 ft for the Keystone Cougar 354FLS and 34.5 ft for the Keystone Arcadia 378RL. The Keystone Cougar 354FLS carries an extra 600 lbs, which affects tow vehicle requirements and fuel economy.

Capacity-wise, expect to sleep 6 in the Keystone Cougar 354FLS versus 8 in the Keystone Arcadia 378RL. With 4 and 1 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Keystone Cougar 354FLS carries 100 gal of fresh water, 45 gal gray, and 46 gal black. The Keystone Arcadia 378RL offers 75 gal fresh, 55 gal gray, and 47 gal black. The Keystone Cougar 354FLS has the edge for extended dry camping.

Budget-wise, the Keystone Cougar 354FLS is listed at $68,000 compared to $87,000 for the Keystone Arcadia 378RL.

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.