Loft
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2026 Forest River Sierra 3990FL
NewStock #2553081
Listing price
2026 Sierra 3990FL
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
The 3990FL puts the living room up front where it belongs, creating a natural gathering space anchored by a fireplace and a 50" smart TV while keeping the rear King bedroom genuinely private. A loft with stairs adds real sleeping space without folding anything down, and the kitchen island gives you an actual prep area rather than a cramped galley afterthought. Underneath, 7,000lb axles with anti-lock brakes, rooftop solar, and an automatic leveling system mean the infrastructure matches the interior ambition. Washer/dryer prep, solid surface countertops, and dual 15k BTU ducted A/Cs round out a rig built for extended stays, not just weekends.
Length
43 ft 6 in
Dry weight
12,439 lbs
GVWR
15,375 lbs
Sleeps
8
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
$68,299 – $79,999
This unit is ranked 1 of 14 by asking price in this group.
The listing price on this unit has changed 2 times.
See the complete price timeline and the rest of this unit's pricing insights.
Camping World
Deforest, WI
Shop the 2026 Forest River Sierra 3990FL - Stock #2553081. It is currently available at Camping World in Deforest, WI.
Other listings for this floor plan, ranked by condition, model year, distance, price, and listing quality.
