Forest River RV Sierra Fifth Wheel RVs For Sale
Make the most out of every adventure with a Forest River Sierra fifth wheel! With unique models like bunkhouses, front living areas, and mid-bunk/office rooms, you can be sure to find one that best fits your needs.
The electric leveling system included makes setting up a breeze allowing you to start having fun sooner. The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap with improved turning radius will make it easier to maneuver. With the standard Summit Package, you'll enjoy a BoonDocker solar system, an on demand water heater, two 15,000 BTU A/C units, and more amenities to make camping hassle-free. And the cook in your group will love the Chef's Kitchen Package, complete with solid surface countertops, designer backsplash, and a spacious 12V stainless refrigerator to name a few features.
Come see how the Forest River Sierra fifth wheels have the perfect balance of size, space, features, and luxury!
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Sierra 3990FL
Forest River Sierra fifth wheel 3990FL highlights: Full and Half Lofts King Bed ... more about Sierra 3990FL
Specifications
Sleeps 8 Slides 5 Length 43 ft 6 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2825 lbs GVWR 15375 lbs Dry Weight 12439 lbs Cargo Capacity 2936 lbs Fresh Water Capacity 50 gals Grey Water Capacity 80 gals Black Water Capacity 50 gals Tire Size 16" Furnace BTU 40000 btu Available Beds King Refrigerator Type 12V Refrigerator Size 17 cu ft Cooktop Burners 3 Number of Awnings 1 LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 20' Electric w/LED Light Strip Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 3370RLS
Forest River Sierra fifth wheel 3370RLS highlights: King Bed Tri-Fold Hide-A-Bed ... more about Sierra 3370RLS
Have a question about this floorplan? Contact Us
Specifications
Sleeps 4 Slides 3 Length 36 ft 4 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 1560 lbs GVWR 13560 lbs Dry Weight 10319 lbs Cargo Capacity 3241 lbs Fresh Water Capacity 50 gals Grey Water Capacity 50 gals Black Water Capacity 50 gals Tire Size 16" Furnace BTU 40000 btu Available Beds King Refrigerator Type 12V Refrigerator Size 17 cu ft Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs. Water Heater Capacity 60 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" TV Awning Info 10' 8" and 16' Electric w/LED Light Strip Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 3550BH
Forest River Sierra fifth wheel 3550BH highlights: Kitchen Island Shower with a ... more about Sierra 3550BH
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Specifications
Sleeps 9 Slides 3 Length 43 ft 6 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2380 lbs GVWR 15500 lbs Dry Weight 12044 lbs Cargo Capacity 3456 lbs Fresh Water Capacity 50 gals Grey Water Capacity 132 gals Black Water Capacity 100 gals Tire Size 16" Furnace BTU 40000 btu Available Beds King, RV Queen Refrigerator Type 12V Refrigerator Size 17 cu ft Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand AC BTU 30000 btu TV Info LR 50" TV Awning Info 12' and 21' Electric w/LED Light Strip Axle Count 2 Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 3800RK
Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating ... more about Sierra 3800RK
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Specifications
Sleeps 4 Slides 4 Length 44 ft 1 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2405 lbs GVWR 15500 lbs Dry Weight 12849 lbs Cargo Capacity 2651 lbs Fresh Water Capacity 50 gals Grey Water Capacity 100 gals Black Water Capacity 50 gals Tire Size 16" Furnace BTU 40000 btu Available Beds King Refrigerator Type 12V Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 13' & 16' Electric w/LED Light Strip Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 3880BH
Forest River Sierra fifth wheel 3880BH highlights: King bed Bunk beds Dual ... more about Sierra 3880BH
Have a question about this floorplan? Contact Us
Specifications
Sleeps 6 Slides 4 Length 42 ft 2 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2260 lbs GVWR 16260 lbs Dry Weight 13599 lbs Cargo Capacity 2661 lbs Fresh Water Capacity 50 gals Grey Water Capacity 156 gals Black Water Capacity 52 gals Tire Size 16" Furnace BTU 40000 btu Number Of Bunks 1 Available Beds King Refrigerator Type 12V Cooktop Burners 3 Number of Awnings 2 LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 10' 8" and 16' Electric w/LED Light Strip Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 3900HBLR
Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment ... more about Sierra 3900HBLR
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Specifications
Sleeps 3 Slides 3 Length 42 ft 9 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2085 lbs GVWR 13085 lbs Dry Weight 13284 lbs Cargo Capacity 2801 lbs Fresh Water Capacity 50 gals Grey Water Capacity 136 gals Black Water Capacity 104 gals Tire Size 16" Furnace BTU 40000 btu Available Beds King Refrigerator Type 12V Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 12' & 18' Electric w/LED Light Strip Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 4002FB
Forest River Sierra fifth wheel 4002FB highlights: Two Bedrooms Two Full ... more about Sierra 4002FB
Have a question about this floorplan? Contact Us
Specifications
Sleeps 6 Slides 4 Length 43 ft 5 in Ext Width 8 ft Ext Height 14 ft 4 in Hitch Weight 2340 lbs GVWR 15500 lbs Dry Weight 12889 lbs Cargo Capacity 2611 lbs Fresh Water Capacity 50 gals Grey Water Capacity 100 gals Black Water Capacity 100 gals Tire Size 16" Furnace BTU 40000 btu Available Beds Queen Refrigerator Type 12V Refrigerator Size 17 cu ft Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 10'8" & 15' Electric w/LED Light Strip Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
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Sierra 4003MB
Forest River Sierra fifth wheel 4003MB highlights: Kitchen Island Four Slides ... more about Sierra 4003MB
Have a question about this floorplan? Contact Us
Specifications
Sleeps 8 Slides 4 Length 42 ft 9 in Ext Width 8 ft Ext Height 13 ft 4 in Hitch Weight 2010 lbs GVWR 15500 lbs Dry Weight 12609 lbs Cargo Capacity 2891 lbs Fresh Water Capacity 50 gals Grey Water Capacity 100 gals Black Water Capacity 50 gals Tire Size 16" Furnace BTU 40000 btu Number Of Bunks 1 Available Beds King Refrigerator Type 12V Refrigerator Size 17 cu ft Cooktop Burners 3 Number of Awnings 2 Axle Weight 7000 lbs LP Tank Capacity 30 lbs Water Heater Capacity 60000 gal Water Heater Type On Demand Tankless AC BTU 30000 btu TV Info LR 50" Flat Screen TV Awning Info 20' & 10'8" Electric w/LED Light Strip Axle Count 2 Washer/Dryer Available Yes Number of LP Tanks 2 Shower Type Shower w/Seat Similar Floorplans
Take a Virtual Tour
Sierra Features:
Standard Features (2025)
Exterior Features
- Automatic Electric Level-Up System
- 2" Towing and Accessory Hitch (Where Available)
- 7,000lb axles with Anti-lock Braking System
- Goodyear Radial Tires w/ anti-lock brakes
- Lippert auto adjust brakes
- GoPower 200W roof mounted solar panel with controller and battery
- Quad MORryde® step above with strut (Where Available)
- Color matched high gloss gel coated colored exterior fiberglass
- Painted two tone aerodynamic fiberglass front cap with improved turning radius
- Underbelly Armor
- TST Tire Pressure Monitoring System
- Enclosed and heated dump valves
- 16" Spare tire kit
- Large tinted windows with 80/20 UV prohibitor
- Electric awning with LED light strip
- Prepped for Lippert On-The-Go Ladder
- Power front jacks with spring loaded pins
- Automotive-style fender skirts
- Hitch light
- Porch light with interior switch
- 30 lb. double LP tanks with auto change over
- Rain gutters with extra long drip spouts (Prevents black streaking)
- Insulated heavy duty slam lock baggage doors
- Exterior foldable grab handle
- Unobstructed pass through storage area
- Upgraded aluminum rims
- Oversized friction hinge entry door
- Exterior LP Quick Connect with Grill/Griddle Cooktop
Interior Features
- Solid Surface Kitchen Counter tops
- Fiberglass one-piece shower with folding teak seat
- Washer and Dryer Prep
- 6' 4" slide-out height
- Stainless steel kitchen package
- Beachside sundance linoleum
- Hidden hinged, soft close drawers and cabinets
- Full extension ball bearing drawer guides
- Stainless steel under mounted kitchen sink
- Trash receptacle in kitchen
- Decorative backsplash
- Two color coordinated interiors
- LED lighting throughout
- Recessed residential lighting
- Accent lighting over dinette
- Extra large, panoramic picture windows throughout
- Vented side windows in slide-outs
- TV antenna with booster
- Solid wood drawer fronts with birch sides
- Solid wood, square inset cabinet doors, painted or wood grain
- Bedroom slide-out fascia
- Memory foam mattress
- Teddy Bear® bunk mats
- 50" flatscreen smart TV
- JBL Aura Cube FM/Bluetooth media center
- Designer window treatment
- Ceiling fan
- Tri-fold hide-a-bed sofa
- Quilted bedspread
Appliances/Systems
- Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C
- 17 cu. ft. 12V refrigerator
- 60,000BTU On Demand Tankless Water Heater
- 40,000BTU furnace
- Heated Holding Tanks (12V)
- Floor ducted 40,000BTU furnace
- 30" OTR stainless steel microwave
- Chef collection 3 burner / 24" oven with drawers
- Interior monitor panel for holding tanks
- Satellite and cable hookup with RG-6 cable for high quality picture
- Porcelain foot flush toilet(s)
- 65 Amp converter
- Power fan in Kitchen and Bathroom(s)
- Full coach water filtration system
Construction
- Welded aluminum-framed, vacuum bonded laminated superstructure
- 5/8" tongue and groove plywood floor decking
- 2 x 3 floor joists, 12" on center
- Laminated sidewalls
- 3/8" roof decking (Full walk-on roof)
- Cambered powder coated frame with rust prohibitor
- Underbelly armor
- 5" truss roof rafters
- R-10, 2" sidewall construction
- Laminated slide-out walls
For Your Safety
- Smoke alarm
- Fire extinguisher
- Breakaway switch (Battery hook-up required)
- Dead-bolt lock on entry door
- LP/CO2 gas detector
- Fire escape windows
Popular Options
- Free Standing Dinette in place of Booth (3550BH only)
- Two chairs in place of ottoman bench
- Central vacuum
- Slide room awnings (N/A dinette slides)
- Washer and Dryer
Polar Tech Package (Optional)
- Dual pane windows
- 3rd AC power saver direct dump system w/ wall thermostat
Summit Package
- Electric Auto Leveling System
- Goodyear Tires with 7,000 lb axles
- 2" Rear Receiver Hitch and 4-Pin Connector (Where Available) (NA 4002FB and 3990FL)
- Two 15,000BTU Air Conditioners
- Power fan in Kitchen and Bathroom(s)
- Anti-lock Braking System
- Tire Pressure Monitoring System
- 60,000BTU On Demand Tankless Water Heater
- BoonDocker Solar System-200W Panel with controller & battery
- MORryde Steps with Strut (Where Available)
- Heated and Enclosed Holding Tanks (12V pads)
- Washer and Dryer Prep
- King Wi-Fi Extender System and Olympus Antenna
- Underbelly Armor
- Soft Close Residential Drawers & Cabinets Throughout
- 50" Flat Screen smart TV
- 4 Camera Security Prep with Back-Up Camera prep
- Full Coach Water Filter System
- Enclosed, One-Piece Docking Station
- Color Matched Gel coated Fiberglass Exterior
- Aerodynamic Two Tone Fiberglass Painted Front Cap with Lights
- High Efficiency Radiant Foil (Roof and Floor)
- Spare Tire
Chef's Kitchen Package
- 16 cu. ft. Stainless Refrigerator (12V)
- Stainless Range with Cast Iron Grates
- Solid Surface Countertops
- Stainless Apron Sink with Strainer
- Commercial Style Kitchen Faucet
- 30" Over-the-Range Stainless Microwave
- Countertop Extension
- Designer Backsplash
Please see us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
Manu-Facts:
Customer Satisfaction is Our #1 Priority.
At Forest River, Inc., your needs, interests, budget, and lifestyle are at the forefront of everything we do. This affects every step from design, to the manufacturing floor, and on to you, our Customer. Whatever your need—recreation, transportation, or cargo hauling—we strive to bring quality products within reach of everyone. It’s not just a slogan: “Customer Satisfaction is Our #1 Priority.”
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 vehicles. After purchasing certain assets of Cobra Industries, the Company started manufacturing pop-up tent campers, travel trailers, fifth wheels and park models. Continually growing, Forest River now operates multiple manufacturing facilities throughout the United States producing Class A, B and C motorhomes, travel trailers, fifth wheels, toy haulers, pop-up tent campers, truck campers, park model trailers, destination trailers, cargo trailers, commercial vehicles, buses, pontoons, and mobile restroom trailers.
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. This guarantees that every family who desires quality recreation will find a Forest River product that serves their needs, interests, budget, and lifestyle.
