Founded by Canadians. Operated by Canadians
Founded by Canadians. Operated by Canadians
Family Fifth Wheel, Front Living

2025 FOREST RIVER SIERRA 3990FL

MSRP $146,223
Our Price $119,620

Specifications

RV TypeFifth Wheel Stock No25FR002
StatusNew Sleeps8 person(s)
Length43.5 ft. Weight12439 lbs.
Slideouts5 ExteriorFiberglass
Fresh Water50 gals. Grey Water80 gals.
Black Water50 gals. Lot LocationEdmonton
Experience Unmatched Luxury with the 2025 Forest River Sierra 3990FL

Step into the world of refined RV travel with the 2025 Forest River Sierra 3990FL—a luxury fifth-wheel that combines elegance, comfort, and functionality for an unparalleled on-the-road experience. Whether you're a couple seeking a premium getaway, a family in need of spacious living, or an adventurer who refuses to compromise on comfort, this model is built for you.

Spacious & Thoughtfully Designed Interior

At an impressive 43 feet 6 inches in length, the Sierra 3990FL maximizes every inch of space with five power-retractable slideouts, transforming your living quarters into a truly expansive retreat. From the moment you step inside, you’ll be captivated by the front living room layout, designed for relaxation and entertainment. Plush seating, convertible sofa beds, and a cozy atmosphere make it the perfect gathering space for family and friends.

The master suite is a sanctuary of luxury, featuring a king-size bed for restful nights. Additional sleeping accommodations, including two convertible sofa beds and a set of bunk beds, ensure that up to eight people can travel comfortably—ideal for large families or hosting guests.

Gourmet Kitchen & Outdoor Dining

Bring the joy of cooking on the road with a fully equipped kitchen, featuring high-end finishes and appliances. The three-burner stove, oven, microwave, and ample storage provide everything you need to prepare meals with ease. After cooking, take the experience outdoors and unwind under the 16-foot power-retractable awning, perfect for al fresco dining, morning coffee, or evening relaxation.

Built for Comfort in Any Season

No matter where your adventures take you, the Sierra 3990FL ensures year-round comfort. 30,000 BTUs of air conditioning keep you cool in the summer, while the 35,000 BTU heater and dual propane tanks (14.2-gallon total capacity) provide warmth in colder climates. With a 50-gallon fresh water tank, an 80-gallon gray water tank, and a 50-gallon black water tank, this unit is designed for extended trips without frequent refills or dumps.

Durability Meets Easy Towing

Crafted for both style and durability, this fifth wheel features fiberglass sidewall construction and a sturdy aluminum frame that make it both lightweight and long-lasting. Despite its luxurious size, it's designed for practical towing:

  • GVWR: 15,375 lbs
  • Hitch Weight: 2,825 lbs
  • Dry Weight: 12,439 lbs
  • Payload Capacity: Nearly 3,000 lbs for all your gear
Why Choose the 2025 Forest River Sierra 3990FL?
  • Luxury & Space – A five-slideout floor plan with premium finishes
  • Accommodations for Eight – King bed, convertible sofa beds, and bunk beds
  • Outdoor Enjoyment – Large power awning for shade and relaxation
  • All-Season Comfort – High BTU air conditioning and heating for year-round travel
  • Towing-Friendly Design – Lightweight, durable, and road-ready

This isn’t just an RV—it’s your home away from home, your adventure companion, and your gateway to freedom on the open road. If you're ready to elevate your travel lifestyle, the 2025 Forest River Sierra 3990FL is waiting for you.

Call today to schedule a tour or reserve yours before they’re gone.

  • SPECIAL PACKAGE
    • Polar Tech Package

All prices plus GST.

Disclaimer: All information, including but not limited to, pricing, product information, specifications, media and dealer promotions are subject to change without notice.

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