2026 FOREST RIVER SIERRA 4003MB
36
Rv TypeFifth Wheel
Length-
Fuel Type-
Mileage-
Description
2026 Forest River Sierra 4003MB,
The 2026 Forest River Sierra 4003MB is a luxury fifth wheel designed for families and extended-stay travelers who want a true mid-bunk layout, expansive living space, and residential comfort in a full-profile design. This RV for sale blends private room separation with open-concept gathering areas for maximum versatility.
Mid-bunk (MB) floorplan offering a dedicated secondary room ideal for kids, guests, or a private office space
Loft area above the mid-bunk providing additional sleeping capacity or flexible storage
Opposing slide-outs in the main living area creating a wide, residential-style central gathering space
Rear living configuration with comfortable seating and large panoramic windows
Center island kitchen featuring solid surface countertops, quality appliances, deep cabinetry, and ample prep space
Dedicated dining area positioned for natural flow between kitchen and lounge
Private front master suite with walk-around bed and substantial wardrobe storage
Full bathroom with residential-style shower, conveniently accessible from main hallway
Interior storage integrated throughout, including pantry space and overhead cabinetry
Exterior pass-through storage for larger camping gear and outdoor equipment
Sierra construction platform engineered for durability, insulation performance, and extended living comfort
The Sierra 4003MB stands out for buyers seeking true bunkroom privacy, added loft flexibility, and expans
The 2026 Forest River Sierra 4003MB is a luxury fifth wheel designed for families and extended-stay travelers who want a true mid-bunk layout, expansive living space, and residential comfort in a full-profile design. This RV for sale blends private room separation with open-concept gathering areas for maximum versatility.
Mid-bunk (MB) floorplan offering a dedicated secondary room ideal for kids, guests, or a private office space
Loft area above the mid-bunk providing additional sleeping capacity or flexible storage
Opposing slide-outs in the main living area creating a wide, residential-style central gathering space
Rear living configuration with comfortable seating and large panoramic windows
Center island kitchen featuring solid surface countertops, quality appliances, deep cabinetry, and ample prep space
Dedicated dining area positioned for natural flow between kitchen and lounge
Private front master suite with walk-around bed and substantial wardrobe storage
Full bathroom with residential-style shower, conveniently accessible from main hallway
Interior storage integrated throughout, including pantry space and overhead cabinetry
Exterior pass-through storage for larger camping gear and outdoor equipment
Sierra construction platform engineered for durability, insulation performance, and extended living comfort
The Sierra 4003MB stands out for buyers seeking true bunkroom privacy, added loft flexibility, and expans
RV details
Type
Fifth Wheel
Condition
New
Odometer
0 mi
Floor plan
SIERRA
Dealer stock ID
FR054831
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Dealer information
Rocky Ridge RV - Van Buren
Rocky Ridge RV is your premier RV dealership with 7 locations across Texas, Oklahoma, and Arkansas. Shop new and used RVs from top brands like Alliance, Forest River, Grand Design, KZ RV, Keystone, Palomino, Flagstaff, and Coachmen RV. With online browsing, financing, trade-ins, and certified service centers, we make RV ownership easy-anytime, anywhere. Buy your dream RV from home and hit the road with confidence. Experience the Rocky Ridge RV difference today!
$73,772
Contact the seller
Call the dealer
(479) 247-0795
RV code: 1855