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Specs for 2025 Forest River - Sierra

Fifth Wheel RVs

Sierra
3370RLS Specs

View 2025 Forest River Sierra 3370RLS complete specs and manufacturer brochures

Length:
36' 4"

Slides: 3

Sleeps: 4

  • Sierra
    3550BH Specs

    View 2025 Forest River Sierra 3550BH complete specs and manufacturer brochures

    Length:
    43' 6"

    Slides: 3

    Sleeps: 10

  • Sierra
    3800RK Specs

    View 2025 Forest River Sierra 3800RK complete specs and manufacturer brochures

    Length:
    44' 1"

    Slides: 4

    Sleeps: 4

  • Sierra
    3880BH Specs

    View 2025 Forest River Sierra 3880BH complete specs and manufacturer brochures

    Length:
    42' 2"

    Slides: 4

    Sleeps: 7

  • Sierra
    3900HBLR Specs

    View 2025 Forest River Sierra 3900HBLR complete specs and manufacturer brochures

    Length:
    42' 9"

    Slides: 3

    Sleeps: 3

  • Sierra
    3990FL Specs

    View 2025 Forest River Sierra 3990FL complete specs and manufacturer brochures

    Length:
    43' 6"

    Slides: 5

    Sleeps: 8

  • Sierra
    4002FB Specs

    View 2025 Forest River Sierra 4002FB complete specs and manufacturer brochures

    Length:
    43' 5"

    Slides: 4

    Sleeps: 6

  • Sierra
    4003MB Specs

    View 2025 Forest River Sierra 4003MB complete specs and manufacturer brochures

    Length:
    42' 9"

    Slides: 4

    Sleeps: 8

  • Premium Forest River Fifth Wheels for Ultimate RV Adventures

    Discover the exceptional quality, versatile features, and innovative design of Forest River Fifth Wheels, perfect for travelers seeking comfort and reliability on the road. These thoughtfully crafted RVs combine robust construction, advanced technology, and luxurious interiors to elevate your camping experience. With a variety of models featuring lengths ranging from 36’ to 44’ and widths designed for spacious living, Forest River Fifth Wheels deliver optimal living space and towing stability. Equipped with heavy-duty 7,000 lb axles, Goodyear radial tires with anti-lock brakes, and Lippert auto adjust brakes, these fifth wheels are built for safety and durability. The aerodynamic exterior boasts high-gloss gel-coated fiberglass and a painted two-tone front cap, providing a sleek appearance and improved maneuverability. Additional exterior features include electric awnings with LED lighting, large tinted windows with UV protection, heated holding tanks, and ample pass-through storage for your gear. Inside, these RVs offer modern, residential-grade features such as solid surface kitchen countertops, stainless steel appliances, a fiberglass one-piece shower, and a tri-fold hide-a-bed sofa. Advanced climate control includes dual ducted 15,000 BTU air conditioners and a 60,000 BTU on-demand tankless water heater, ensuring comfort regardless of the weather. The interior also features LED lighting, oversized panoramic windows, a 50-inch smart TV, and optional washer and dryer preps for added convenience. Key benefits include:
    • Heavy-duty construction with welded aluminum framing, vacuum-bonded laminated walls, and full walk-on roof for longevity and safety
    • High-tech exterior features such as GoPower solar panels and Lippert Power Front Jacks for eco-friendly and effortless setup
    • Luxurious interiors with solid surface countertops, designer window treatments, and a spacious bedroom with a memory foam mattress
    • Enhanced safety systems, including smoke alarms, fire extinguishers, and dead-bolt locks for peace of mind
    • Advanced entertainment and connectivity options like a JBL media center and Wi-Fi extender system
    • Popular upgrade packages like the Summit Package with auto leveling, heated tanks, and solar power for off-grid adventures
    Ready to elevate your RV lifestyle? Explore Forest River Fifth Wheels today and experience the perfect blend of rugged durability, refined comfort, and innovative features designed for unforgettable journeys. Contact your dealer to find the model tailored to your adventure needs and start your next chapter on the road!

    Forest River RVs for Sale Near You