2025 Keystone Alpine 3700FL vs 2024 Keystone Avalanche 338GK

Detailed Comparison

Looking at the 2025 Keystone Alpine 3700FL alongside the 2024 Keystone Avalanche 338GK? Smart move — comparing specs before you buy is the best way to ensure satisfaction.

In terms of footprint, the Keystone Alpine 3700FL stretches 37.5 ft while the Keystone Avalanche 338GK spans 41.5 ft. Weight-wise, the Keystone Avalanche 338GK is the lighter rig at 8,900 lbs versus 10,800 lbs.

For sleeping arrangements, the Keystone Alpine 3700FL offers room for 4 and the Keystone Avalanche 338GK can handle 6.

Looking at self-sufficiency, the Keystone Alpine 3700FL packs 72 gal of fresh water and 450W of solar. The Keystone Avalanche 338GK counters with 67 gal fresh water and 400W solar.

Price is often the deciding factor. The Keystone Alpine 3700FL starts at $91,000 MSRP, while the Keystone Avalanche 338GK commands $116,000 — a $25,000 gap. That's a significant 27% premium you'll need to justify.

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.