2026 Forest River Sierra 3800RK

New Fifth Wheel in Murrieta, California, 92562

$76,995.00

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New 2026 Forest River Sierra 3800RK available in Murrieta, California

2026 Forest River Sierra 3800RK - New Fifth Wheel For Sale by Giant RV in Murrieta, California

2026 Sierra 3800RK by Forest River from Giant RV in Murrieta, California

Unit Specs

Stock #FSI175
Year2026
ManufacturerForest River
Make Forest River
ModelSierra
Floorplan3800RK
Type Fifth Wheel
ConditionNew
VIN4X4FSEP27TJ054686
MSRP $110,691.05
Price $76,995.00
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Looking to buy a 2026 Forest River Sierra Fifth Wheel RV?

2025 Forest River Sierra 3800RK

Get ready for gourmet road trips with the 2025 Forest River Sierra 3800RK Fifth Wheel at Giant RV in California, a 44’1” luxury RV sleeping up to 4, featuring a rear kitchen with a 16.8 cu. ft. 12V fridge, a front bedroom with a queen slide, a slide-out with theater seating, and a full bath with walk-in shower. With four slide-outs and dual 15,000 BTU A/C, it’s perfect for California RV camping this afternoon at 03:53 PM PDT!

Front Bedroom: Queen bed slide for luxury camping
Rear Kitchen: 16.8 cu. ft. fridge, cooktop for RV adventure
Central Living Area: Theater seating slide for California RV
Central Bathroom: Walk-in shower for RV camping

2026 Forest River Sierra 3800RK Features

2026 Forest River Sierra 3800RK Specifications

Dimensions

Height

13' 4"

Length

44' 1"

Width

8' 0"

Weights

Dry Weight

12,849 lbs

GVWR

15,500 lbs

Hitch Weight

2,405 lbs

Payload Capacity

2,651 lbs

Capacities

Refrigerator Capacity

16 cu ft

Sleep Capacity

Water Capacity - Black

50 gal

Water Capacity - Fresh

50 gal

Water Capacity - Grey

100 gal

Exterior

# Awnings

# Axles

# Doors

# Slides

Hitch

Fifth Wheel

Electrical

# A/C

A/C Spec

Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.