2026 Forest River Sierra 3800RK
New Fifth Wheel in Conroe, Texas, 77301





Unit Specs
- Stock #217199
- Year2026
- ManufacturerForest River
- Make Forest River
- ModelSierra
- Floorplan3800RK
- Floorplan LayoutFront Bath
Rear Kitchen - Type Fifth Wheel
- ConditionNew
- Length44' 0"
- VIN4X4FSEP28TJ054955
- Price $98,805.00
- Sale Price $79,988.00
- Need to know your payment? Use our RV Loan Calculator!
- Interior ColorSWITCHBACK
- Exterior ColorBEIGE
- Sleeps4
- Water Capacity (Fresh)50 gal
- Water Capacity (Black)50 gal
- Water Capacity (Grey)100 gal
- Slideouts4
- Tow/Hitch Weight2405 lbs
Forest River Sierra fifth wheel 3800RK highlights:
- Four Slides
- Theater Seating
- Exterior Cooktop
- Walk-In Bathroom Closet
- 12V Refrigerator
If you're looking to go full-time RVing, this fifth wheel is packed with convenient features! The master bedroom includes a king bed slide out with USB ports on either side of the bed so you both can charge your phones, and there is a dresser for your folded clothes. You will love the front bathroom with dual bath sinks, a shower with a seat, plus a walk-in closet with shelves, rods to hand clothes, and baskets for laundry! There is a unique middle utility room with washer and dryer, Washer and dryer counter and a rod to hang clothes that will make a perfect laundry room, or you can utilize this space for storage! Head to the main living area to relax on the theater seating or hide-a-bed sofa, and if you have guests stay over, they can sleep here. There is also an entertainment center with a 50" flat screen TV, but you might just leave that off if you're working at the desk with a chair that is provided. We've saved the best part for last; the kitchen! Here, you'll find ample counter space to prep home-cooked meals, a three burner high output range with a 22" oven, plus a large counter with barstools where you can enjoy breakfast at each morning. Choosing this fifth wheel is a no-brainer!
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 welded aluminum framed, vacuum bonded laminated superstructure will hold up through every adventure and the cambered powder coated frame comes with rust prohibitor to last longer. Each model also includes the Summit Package that comes with a king Wi-Fi extender system and Olympus antenna, a full coach water filter system, Goodyear tires with 7,000 lb. axles, and the list goes on. The interior is just as impressive with rustic wood plank linoleum, recessed residential lighting, a memory foam mattress, and mocha accent crown molding over the kitchen cabinets!
- Front Bath
- Rear Kitchen
- 3RD A/C W/POWER SAVER SYSTEM
- CHEF&aposS KITCHEN PACKAGE
- INCLUDES - DEALER PREP
- INCLUDES - FTRV QUALITY ASSURANCE / CAMP READY PKG
- NO HIDDEN FEES
- PORTABLE VACCUM
- SUMMIT PACKAGE
View a video of this 2026 Forest River Sierra 3800RK RV on YouTube!
2026 Forest River Sierra 3800RK Features
-
Exterior
Slideout
2026 Forest River Sierra 3800RK Specifications
Height
13' 4"
Length
44' 1"
Width
8' 0"
Dry Weight
12,849 lbs
GVWR
15,500 lbs
Hitch Weight
2,405 lbs
Payload Capacity
2,651 lbs
Refrigerator Capacity
16 cu ft
Sleep Capacity
4
Water Capacity - Black
50 gal
Water Capacity - Fresh
50 gal
Water Capacity - Grey
100 gal
# Awnings
2
# Axles
2
# Doors
1
# Slides
4
Hitch
Fifth Wheel
# A/C
2
A/C Spec
Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C
2026 Forest River Sierra 3800RK Literature
Unit Specs
- Stock #217199
- Year2026
- ManufacturerForest River
- Make Forest River
- ModelSierra
- Floorplan3800RK
- Floorplan LayoutFront Bath
Rear Kitchen - Type Fifth Wheel
- ConditionNew
- Length44' 0"
- VIN4X4FSEP28TJ054955
- Price $98,805.00
- Sale Price $79,988.00
- Need to know your payment? Use our RV Loan Calculator!
- Interior ColorSWITCHBACK
- Exterior ColorBEIGE
- Sleeps4
- Water Capacity (Fresh)50 gal
- Water Capacity (Black)50 gal
- Water Capacity (Grey)100 gal
- Slideouts4
- Tow/Hitch Weight2405 lbs
Email Seller
Request More Info on this 2026 Forest River Sierra 3800RK Offered for sale by Fun Town RV - Conroe
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