New 2018 Forest River RV Sierra 378FB

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2018 378FB Features and Options

Forest River Sierra 378FB fifth wheel highlights:

  • Large Master Bathroom with Two Sinks
  • Exterior Kitchen
  • Solid Wood Drawer Front with Birch Sides
  • LED Lighting Throughout


Come see just how fun, convenient, and easy camping can be with this Sierra 378FB by Forest River. Meal prep is now easier than ever with the exterior kitchen. Here you will find a refrigerator, sink, and a drop down TV. The chef in the family will also enjoy the bumper mount swivel gas grill. In the evening grab your camp chair, a snack, and enjoy sitting outdoors under the 20' awning with LED lights. Inside there is a bath and a half for your convenience. You will love the spacious master bathroom. Here there are two sinks, a walk-in shower with seat, a closet that has been prepped for a washer/dryer, plus a large wardrobe with shelves. You can easily relax in the living area. Here there is an 80" hide-a-bed, theater seats, plus an entertainment center with a fireplace below. Throughout this fifth wheel you will find solid wood drawer fronts with Birch sides, and LED lighting, plus so much more!


For a luxury fifth wheel, you want a Sierra by Forest River. You will enjoy plenty of amenities that would be expected on a luxury fifth wheel such as the high rise faucet with undermount sink and pull-out sprayer. The drawers are a full extension with soft close bearing drawer guides. In the living area enjoy the flatscreen LED HDTV with premium soundbar and DVD player as well as the electric fireplace that adds just the right ambiance. The Sierra control center allows you to monitor tanks and other systems quickly and easily. In the master bedroom you will find spacious wardrobes plus a residential memory foam mattress for your comfort. For a limited time you can choose to add the Ultimate Package which includes the following features a 20 cu. ft. stainless steel French door refrigerator, premium solid surface kitchen countertops, wide stance hydraulic landing gear, roller shades, a 32" bedroom TV with swing arm, and quadruple entry steps.

What Our Customers Are Saying

CT Experience

My wife and I would like to express our appreciation to Vermont Country Campers. We took delivery of our 2018 Rockwood 2905WS this past May 12th. Arriving an hour early from Southern Connecticut that day gave us the opportunity to get a first hand look at the service department installing one of our two slide out toppers. Myself, being an aircraft technician, I was highly impressed with the expertise, ... More » - Al from Seymour, CT
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Location: East Montpelier, VT
Stock# NF378FB1
2018 378FB Specifications
Sleeps 4
Slides 3
Length 42 ft 7 in
Ext Width 8 ft
Ext Height 13 ft 2 in
Int Height 7 ft
Interior Color Mink, Merlot, Beachwood, Pebble
Hitch Weight 2096 lbs
Gross Weight 15500 lbs
Dry Weight 12455 lbs
Cargo Weight 3045 lbs
Fresh Water Capacity 60 gals
Grey Water Capacity 134 gals
Black Water Capacity 52 gals
Tire Size 16"
Furnace BTU 35000 btu
Available Beds Queen
Refrigerator Type Residential Stainless
Refrigerator Size 9 cu ft
Cooktop Burners 3
Number of Awnings 1
Axle Weight 7000 lbs
LP Tank Capacity 30 lbs.
Water Heater Capacity 10 gal.
Water Heater Type DSI
AC BTU 30000 btu
TV Info LR 40" LED TV, Ext. TV
Awning Info 20' Electric
Axle Count 2
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 65 amp
For more information, call us at 802-223-6417 or Contact Us
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In 1996, Forest River founder Peter Liegl had a vision. He foresaw an RV company dedicated to helping people experience the joy of the outdoors by building better recreational products. Today that vision is a reality.

Continually growing, Forest River operates multiple manufacturing facilities throughout the midwest and west coast. Our large production capacity enables us to fill our customers' orders promptly without cutting corners or rushing through production procedures. This ensures that each Forest River product is conscientiously built and undergoes thorough, detailed inspection before it's shipped to the customer. is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 888-223-9299 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Payment estimates are based on 15% cash or trade equity down and either 180 months at 8.99% or 120 months at 7.99%. Not all units or buyers qualify at these rates or terms.