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RV Details
- Price: $46,500
- Year: 2021
- Model: SIERRA 3660MB
- Listing ID: 7006051
- Partner ID: 5039097450
- Posted On: Jan 27, 2026
- Updated On: Jan 27, 2026
Description
The 2021 Forest River Sierra 3660MB is a luxurious Class C motorhome that is perfect for those who love to travel in style. With only 1000 miles on the odometer, this vehicle is practically brand new and ready for all of your adventures.
The Forest River Sierra is known for its high-quality construction and attention to detail, making it one of the most sought-after motorhomes on the market. The 3660MB model offers plenty of space for you and your family to relax and unwind while on the road.
Inside, you will find a spacious living area with comfortable seating, a fully-equipped kitchen with modern appliances, and a cozy bedroom with plenty of storage space. The bathroom features a shower, sink, and toilet, providing all the comforts of home while on the go.
The exterior of the Sierra is just as impressive, with a sleek design and durable construction that is sure to turn heads wherever you go. The large awning provides plenty of shade on sunny days, and the storage compartments offer plenty of room for all of your gear.
Whether you are heading out for a weekend getaway or embarking on a cross-country road trip, the 2021 Forest River Sierra 3660MB is the perfect choice for those who want to travel in comfort and style. Don't miss out on the opportunity to own this stunning motorhome and start making memories that will last a lifetime.
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2021 Forest River Sierra C-Class 3660MB Fifth Wheel Luxury, Space & Comfort Experience upscale fifth-wheel living with this 2021 Forest River Sierra C-Class 3660MB, designed for families, extended travel, or full-time RVing. This well-maintained unit combines residential comfort with smart functionality and a spacious mid-bunk floorplan. Highlights & Features: Popular 3660MB mid-bunk layout perfect for kids, guests, or a home office Queen-size bed in the master bedroom with ample closet and storage space Mid-bunk room with sofa/sleeping area and storage Spacious living area with theater seating, sleeper sofa, and large entertainment center Residential-style kitchen featuring solid-surface countertops, large island, stainless steel appliances, and plenty of cabinet space Full bathroom with roomy shower, skylight, and linen storage Automatic leveling system for quick and easy setup Ducted A/C and heating system for year-round comfort Large pass-through storage and exterior compartments Power awning with LED lighting Barbecue and Bar Frig Large Awning * Very Clean This Sierra C-Class offers the perfect blend of comfort, durability, and modern design, making it ideal for weekend getaways or long-term adventures. Clean title and ready for its next owner. 15 minutes South of Maricopa AZ