2024 Keystone Avalanche 338GK vs 2024 Forest River Sierra 379FLOK

Detailed Comparison

Shopping for an RV and torn between the 2024 Keystone Avalanche 338GK and the 2024 Forest River Sierra 379FLOK? We've put together a detailed spec comparison to help you decide.

Starting with size, the Keystone Avalanche 338GK measures 41.5 ft long and tips the scales at 8,900 lbs dry weight. The Forest River Sierra 379FLOK comes in at 33.0 ft with a dry weight of 13,000 lbs. That gives the Keystone Avalanche 338GK roughly 8.5 extra feet of length.

Capacity-wise, expect to sleep 6 in the Keystone Avalanche 338GK versus 5 in the Forest River Sierra 379FLOK. With 2 and 2 slide-outs respectively, the parked floor plans differ significantly.

Tank capacities are a key off-grid consideration. The Keystone Avalanche 338GK carries 67 gal of fresh water, 50 gal gray, and 44 gal black. The Forest River Sierra 379FLOK offers 51 gal fresh, 56 gal gray, and 41 gal black. The Keystone Avalanche 338GK has the edge for extended dry camping.

Budget-wise, the Forest River Sierra 379FLOK is listed at $116,000 compared to $116,000 for the Keystone Avalanche 338GK.

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.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.