2025 Forest River Sierra 3990FL
Fifth Wheel·Stock #T89498·New
Brochure
1 / 38
Length43.5'
Slides5
Sleeps8
Weight12,439 lbs
Final Price
$71,303
MSRP$103,635
You Save−$33,636
Sales Price$69,999
+ Documentation Fee$399
+ Dealer Prep$895
+ Lien Fee$10
Final Price$71,303
Floorplan
Specifications
Year2025
MakeForest River
ModelSierra
Trim3990FL
ClassFifth Wheel
ConditionNew
Sleeps8
Slides5
Length43′ 6″
Dry Weight12,439 lbs
GVWR15,375 lbs
Fuel Type—
Mileage—
Description
Forest River Sierra 3990FL stands out with five slideouts and a generous 522 inches of body length, creating expansive interior space. This model accommodates up to eight people for sleeping, blending practical comfort with a robust design. The combination of a dry weight of 12,439 pounds and a GVWR of 15,375 pounds highlights a strong, well-proportioned towable layout.Inside, you’ll find premium build quality and thoughtful layout that maximize usable living area. The hitch weight is 2,825 pounds, supporting confident hitch performance, while the total black water tank capacity is 50 gallons ...
Features
Exterior And Appearance
Towing And Hauling
Rear Hitch TypeReceiver
Rear Hitch Size5.1
Body
Body MaterialAluminum
Sidewall MaterialFiberglass
Paint
Primary ColorWhite
Secondary ColorSilver
Leveling Jack
Leveling Jack TypeFront Power / Rear Power
Slideouts
Number of Slideouts5
Comfort
Holding Tanks
Number of Fresh Water Holding Tanks1
Number of Black Water Holding Tanks1
Number of Grey Water Holding Tanks2
Propane Tanks
Number of Propane Tanks2
Vehicle Entertainment
Radio Features
Number of Radios1
Radio Brand NameJBL
Television
Number of Television(s)1
Interior
Beds
Number of Double Beds0
Number of Full Size Beds0
Number of King Size Beds1
Number of Queen Size Beds0
Max Sleeping Count8
Number of Convertible / Sofa Beds2
Number of Bunk Beds2
Sofas
Sofa MaterialVinyl
Number of Sofas2
Living Space
Number of Doors1
Number of Emergency Exits1
Living Area LocationFront
Kitchen
Kitchen LocationCenter
Kitchen/Living Area Flooring TypeCarpet / Vinyl
Kitchen Table ConfigurationChairs
Master Bedroom
Flooring TypeVinyl
Master Bedroom Door StyleConventional Door
Master Bedroom LocationRear
Bathroom
Bathroom Flooring TypeVinyl
Number Of Bathroom(s)1
Bathroom LocationCenter
Bathroom Sink LocationCenter
Bathroom Medicine Cabinet LocationCenter
Bathroom Mirror LocationCenter
Bathroom Vent / Fan LocationCenter
Toilet
Toilet TypePorcelain
Toilet LocationCenter
Shower
Door TypePlastic / Glass
Shower LocationCenter
Recliners Rockers
Recliners / Rockers MaterialVinyl
Number Of Recliners / Rockers2
Floorplan
Floorplan StyleRear Bedroom
Floorplan FeatureLoft
Floorplan LifestyleFull-Time Living
Powertrain And Mechanical
Brakes
Rear Brake TypeElectric Drum
Front Brake TypeNot Applicable
Battery
Battery Converter Amps65
Appliances
Oven Stove
Oven / Stove LayoutOven / Stove
Number of Oven Burners3
Air Conditioning
Air Conditioning TypeAutomatic
Heater TypeAutomatic
Water Heater
Water Heater Pump Power ModeElectrical / Propane
Tulsa
Final Price
$71,303
MSRP$103,635
You Save−$33,636
Sales Price$69,999
+ Documentation Fee$399
+ Dealer Prep$895
+ Lien Fee$10
Final Price$71,303
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