2025 Forest River Sandpiper 379FLOK vs 2024 Forest River Sierra 321RL

Detailed Comparison

Looking at the 2025 Forest River Sandpiper 379FLOK alongside the 2024 Forest River Sierra 321RL? Smart move — comparing specs before you buy is the best way to ensure satisfaction.

In terms of footprint, the Forest River Sandpiper 379FLOK stretches 32.0 ft while the Forest River Sierra 321RL spans 28.5 ft. Weight-wise, the Forest River Sierra 321RL is the lighter rig at 10,900 lbs versus 12,900 lbs.

For sleeping arrangements, the Forest River Sandpiper 379FLOK offers room for 9 and the Forest River Sierra 321RL can handle 9. The Forest River Sandpiper 379FLOK benefits from 2 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Forest River Sandpiper 379FLOK packs 71 gal of fresh water and 200W of solar. The Forest River Sierra 321RL counters with 76 gal fresh water and 100W solar.

Price is often the deciding factor. The Forest River Sandpiper 379FLOK starts at $155,000 MSRP, while the Forest River Sierra 321RL commands $158,000 — a $3,000 gap.

Families with kids will appreciate the extra sleeping capacity and living space. Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Full-timers should prioritize tank capacity, storage, and overall living comfort.

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.