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New 2026 Forest River Sierra 3900HBLR

Fifth Wheel|Phoenix, AZ| Stock# 348066

$84,999

$569/mo.ⓘ

MSRP: $126,914

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Overview
Specifications

Forest River Sierra fifth wheel 3900HBLR highlights:

  • Three Slides
  • Entertainment Center
  • Bath and a Half
  • Walk-In Bathroom Closet
  • 12V Refrigerator

This fifth wheel is perfect for those seeking a comfortable, feature-rich home on wheels. Upon entering, you'll find a spacious rear living room, ideal for relaxation and entertainment. The room features a comfortable chaise lounge, sofa, and an entertainment center with a cozy fireplace. For added convenience, there's a hidden pantry, desk with a chair, and a shelf and cabinet for storage. The kitchen is well-appointed with a stylish kitchen island featuring a beautiful waterfall edge. Overhead cabinets provide ample storage, while the microwave and 12V refrigerator allow for easy meal prep. Plus, a butler pantry offers additional storage for kitchen essentials. A convenient half bath is located nearby, complete with a stackable washer and dryer prep if you want the option to add these appliances. The bedroom retreat features a comfortable king bed, a small dresser, and a tall dresser with a TV hookup. The adjacent walk-in bathroom closet boasts a one-piece fiberglass shower, dual sink, medicine cabinet, linen closet, and ample storage thanks to the various shelves, perfect for keeping your belongings organized. Exterior features include two awnings, one 12’ and the other 18’, providing ample shade and protection.

Each one of these Forest River Sierra fifth wheels are equipped with everything you need to make the most of each adventure! The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap has an improved turning radius to make them easier to navigate. With an electric leveling system, you can set your unit up quick and easy then get to having fun faster than ever. The cambered powder coated frame with rust prohibitor construction allows for more duration of the fifth wheel. Each model also comes with a TV antenna with booster, 60,000BTU on demand tankless water heater, Goodyear Radial tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with Beachside Sundance Congoleum linoleum, recessed residential lighting, a memory foam mattress, and hidden hinged, soft close drawers and cabinets!

Overview

Forest River Sierra fifth wheel 3900HBLR highlights:

  • Three Slides
  • Entertainment Center
  • Bath and a Half
  • Walk-In Bathroom Closet
  • 12V Refrigerator

This fifth wheel is perfect for those seeking a comfortable, feature-rich home on wheels. Upon entering, you'll find a spacious rear living room, ideal for relaxation and entertainment. The room features a comfortable chaise lounge, sofa, and an entertainment center with a cozy fireplace. For added convenience, there's a hidden pantry, desk with a chair, and a shelf and cabinet for storage. The kitchen is well-appointed with a stylish kitchen island featuring a beautiful waterfall edge. Overhead cabinets provide ample storage, while the microwave and 12V refrigerator allow for easy meal prep. Plus, a butler pantry offers additional storage for kitchen essentials. A convenient half bath is located nearby, complete with a stackable washer and dryer prep if you want the option to add these appliances. The bedroom retreat features a comfortable king bed, a small dresser, and a tall dresser with a TV hookup. The adjacent walk-in bathroom closet boasts a one-piece fiberglass shower, dual sink, medicine cabinet, linen closet, and ample storage thanks to the various shelves, perfect for keeping your belongings organized. Exterior features include two awnings, one 12’ and the other 18’, providing ample shade and protection.

Each one of these Forest River Sierra fifth wheels are equipped with everything you need to make the most of each adventure! The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap has an improved turning radius to make them easier to navigate. With an electric leveling system, you can set your unit up quick and easy then get to having fun faster than ever. The cambered powder coated frame with rust prohibitor construction allows for more duration of the fifth wheel. Each model also comes with a TV antenna with booster, 60,000BTU on demand tankless water heater, Goodyear Radial tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with Beachside Sundance Congoleum linoleum, recessed residential lighting, a memory foam mattress, and hidden hinged, soft close drawers and cabinets!

Specifications

Specifications

RV Details

  • Sleeps3
  • Slides3
  • Length42 ft. 9 in.
  • Width8 ft.
  • Height13 ft. 4 in.
  • Int. Height7 ft.
  • Dry Weight13284 lbs.
  • Hitch Weight2085 lbs.
  • GVWR16085 lbs.
  • VIN4X4FSER24TJ055422

Tanks & HVAC

  • Fresh Water50 gal.
  • Black Water104 gal.
  • Gray Water136 gal.
  • Propane2 Tank(s) | 30 gal.
  • ACautomatic 30000 BTU
  • Heat40000 BTU
  • Water Heatertankless
  • Electrical65 amps

Appliances

  • Awnings1 | 12' & 18' Electric w/LED Light Strip
  • BedsKing
  • Showerstandard
  • Refrigerator16 cu ft
  • Cooktops | Microwave3 | No
  • Washer/Dryer PreppedNo
  • TVsLR 50" Flatscreen Smart TV

Can you tow this RV?

Understanding your vehicle's towing capacity rating is critical to choosing the right RV for you and your family. Towing your next RV safely down the road will depend on having the right tow vehicle and RV combination. Use our handy towing guide below to help find your vehicle's towing capacity and filter our RV inventory down to RVs you can tow. View Tow Guide >

Attention: Your vehicle's max towing capacity includes passenger weight, added accessories, any current liquids in tanks, and any cargo you've added such as food, clothes, chairs, grills, games, tools, etc.. For purposes of RVs I can Tow, we've allowed 1000 lbs for RVs over 8000 lbs, 750 lbs for RVs under 8000 lbs, and 500 lbs for RVs under 5000 lbs for average Cargo Weight. Always confirm your specific tow vehicles towing capacity directly from your vehicle's manufacturer before purchasing or towing an RV. You are responsible for the decision to operate your vehicle and any RV you may tow. If your specific vehicle is not listed, please contact us for assistance.

General RV works hard to ensure the accuracy of all its listings however we are not responsible for any misprints, typos, or errors found in our website pages. 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 888-436-7578 for availability as our inventory changes rapidly.

*All RV prices exclude tax, title, registration and fees, including documentary service fees. All payments are with approved credit through dealer lending source. Advertised monthly payment is based on 20% cash down, plus tax, title, registration and fees, at 7.99% APR for 96 months on finance amounts under $10K, at 7.99% APR for 144 months on finance amounts from $10K to $25K, at 7.99% APR for 180 months on finance amounts from $25K to $50K, and at 7.99% APR for 240 months on amounts over $50K. $79 monthly payment based on purchase price of $9,999 with 20% down at 8.24% APR for 218 months. $439 monthly payment based on purchase price of $69,995 with 20% down, at 6.49% APR for 240 months. For select models only. Rate and payments are subject to change at any time. Conditions apply. See dealer for details.