2025 Keystone Cougar 316RLS vs 2024 Keystone Alpine 3600FL

Detailed Comparison

Looking at the 2025 Keystone Cougar 316RLS alongside the 2024 Keystone Alpine 3600FL? Smart move — comparing specs before you buy is the best way to ensure satisfaction.

Starting with size, the Keystone Cougar 316RLS measures 30.0 ft long and tips the scales at 13,400 lbs dry weight. The Keystone Alpine 3600FL comes in at 39.0 ft with a dry weight of 10,000 lbs. That gives the Keystone Alpine 3600FL roughly 9.0 extra feet of length.

For sleeping arrangements, the Keystone Cougar 316RLS offers room for 6 and the Keystone Alpine 3600FL can handle 7.

Looking at self-sufficiency, the Keystone Cougar 316RLS packs 81 gal of fresh water and 600W of solar. The Keystone Alpine 3600FL counters with 96 gal fresh water and 450W solar.

Price is often the deciding factor. The Keystone Cougar 316RLS starts at $123,000 MSRP, while the Keystone Alpine 3600FL commands $129,000 — a $6,000 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.

Ultimately, both rigs have their merits — test drive each one and see which floor plan speaks to your lifestyle.