2025 Keystone Alpine 3700FL

About the 2025 Keystone Alpine 3700FL

The 2025 Keystone Alpine 3700FL by Keystone represents the 2025 pinnacle of towable RV living. Fifth wheels command a loyal following for good reason: they deliver space, stability, and a towing experience that many owners prefer over bumper-pull alternatives.

Coming in at 37.5 feet end to end, a width of 8.0 feet and with a height of 12.5 feet, the 2025 Keystone Alpine 3700FL weighs in at 10,800 pounds before loading, with a GVWR of 13,000 lbs, giving you roughly 2,200 lbs of payload room. Equipped with 2 slide-outs, the 2025 Keystone Alpine 3700FL provides noticeably more elbow room at your campsite.

Sleeping up to 4 people, this model works well for small families or traveling duos who appreciate extra guest capacity. Convertible dinettes or sofa beds provide flexibility between day and night configurations without sacrificing comfort.

For extended stays away from hookups, the 2025 Keystone Alpine 3700FL comes equipped with 72 gallons of fresh water capacity, 41 gallons of gray water holding, a 49-gallon black water tank. Electrical independence comes via 450 watts of factory-installed solar, 350 amp-hours of battery storage, a 2500-watt inverter for household AC power. A 13,500 BTU air conditioner keeps things cool in summer heat, while a 25,000 BTU furnace ensures warmth during cold nights. The kitchen features a Compressor 12V refrigerator for keeping provisions cold. A 19.5-foot awning extends your living space outdoors, providing shade and shelter.

Towing the 10,800-pound 2025 Keystone Alpine 3700FL demands adequate tow capacity from your truck. The hitch weight comes in at 1,940 lbs, an important factor for matching to your truck. Make sure your tow vehicle is rated for the 13,000-lb GVWR when fully loaded with gear and water.

Priced at $91,000, the 2025 Keystone Alpine 3700FL sits in the competitive mid-range where buyers get meaningful features without a luxury price tag hanging over the purchase. The 2025 Keystone Alpine 3700FL suits small families and couples who occasionally bring friends along. It handles the needs of three to four travelers without feeling overcrowded or requiring compromises on comfort.

Whether you are planning weekend getaways or extended road trips, the 2025 2025 Keystone Alpine 3700FL from Keystone provides a well-rounded package that deserves a spot on your shortlist. Take the time to walk through one at your nearest dealer and see how it fits your travel vision.

Full-time living meets full-time luxury in the 2025 Keystone Alpine 3700FL, a fifth wheel designed to be your permanent address on wheels.

The 72-gallon fresh water system, combined with 41/49-gallon gray/black tanks, supports extended boondocking. Dual AC systems providing 13,500 BTU of cooling and a 25,000 BTU furnace ensure comfort in any climate.

Premium construction includes a fully enclosed and heated underbelly, aluminum frame, and seamless TPO roof with limited lifetime warranty. At $91,000, the 2025 Keystone Alpine 3700FL delivers exceptional value for this level of quality and comfort.