Rear window
13 days on the market
Days listed
13
2026 Sierra 3370RLS
13 days on the market
Days listed
13
Enjoy residential comfort wherever your travels take you in the Forest River Sierra 3370RLS fifth wheel. Available at Royal RV Center in Middlebury, Indiana, this spacious triple-slide fifth wheel combines a king-bed master suite, rear living area, kitchen island, theater seating, and free-standing dinette. It's a comfortable choice for couples planning weekend escapes, extended vacations, or longer stays on the road.
Enjoy residential comfort wherever your travels take you in the Forest River Sierra 3370RLS fifth wheel. Available at Royal RV Center in Middlebury, Indiana, this spacious triple-slide fifth wheel combines a king-bed master suite, rear living area, kitchen island, theater seating, and free-standing dinette. It's a comfortable choice for couples planning weekend escapes, extended vacations, or longer stays on the road.
Triple slide-outs
King bed slide
Large wardrobe with shelves
Washer/dryer prep
Tri-fold hide-a-bed
Theater seating
Ceiling fan
Large kitchen island
Free-standing dinette
One-piece fiberglass shower
Two power awnings with LED lighting
Electric leveling system
On-demand tankless water heater
Goodyear radial tires
Triple slide-outs
King bed slide
Large wardrobe with shelves
Washer/dryer prep
Tri-fold hide-a-bed
Theater seating
Ceiling fan
Large kitchen island
Free-standing dinette
One-piece fiberglass shower
Two power awnings with LED lighting
Electric leveling system
On-demand tankless water heater
Goodyear radial tires
Triple slides open up the interior and give the Sierra 3370RLS a residential feel. The rear living area provides comfortable theater seating for kicking back after a day outdoors, while the tri-fold hide-a-bed adds seating during the day and extra sleeping space when guests stay overnight.
Triple slides open up the interior and give the Sierra 3370RLS a residential feel. The rear living area provides comfortable theater seating for kicking back after a day outdoors, while the tri-fold hide-a-bed adds seating during the day and extra sleeping space when guests stay overnight.
A ceiling fan helps circulate air throughout the living space for added comfort.
A ceiling fan helps circulate air throughout the living space for added comfort.
The large kitchen island provides valuable countertop space for preparing meals, serving snacks, and gathering with friends. Its central location also helps create the open residential-style layout many extended-stay RVers appreciate.
The large kitchen island provides valuable countertop space for preparing meals, serving snacks, and gathering with friends. Its central location also helps create the open residential-style layout many extended-stay RVers appreciate.
Instead of a traditional booth, the free-standing dinette gives you a comfortable dining area that feels more like home and provides a dedicated place for meals, games, or planning your next destination.
Instead of a traditional booth, the free-standing dinette gives you a comfortable dining area that feels more like home and provides a dedicated place for meals, games, or planning your next destination.
The front private bedroom creates a relaxing retreat with a king bed slide-out, giving you a spacious place to recharge each night.
The front private bedroom creates a relaxing retreat with a king bed slide-out, giving you a spacious place to recharge each night.
A large wardrobe with shelving provides room to organize clothing and personal belongings. Washer/dryer prep also gives you the option to add laundry appliances—an especially useful feature for longer trips and extended RV living.
A large wardrobe with shelving provides room to organize clothing and personal belongings. Washer/dryer prep also gives you the option to add laundry appliances—an especially useful feature for longer trips and extended RV living.
The bathroom includes a one-piece fiberglass shower for comfortable everyday use. A linen cabinet keeps towels and bathroom supplies close at hand, while the sink and medicine cabinet provide additional storage for toiletries and personal items.
The bathroom includes a one-piece fiberglass shower for comfortable everyday use. A linen cabinet keeps towels and bathroom supplies close at hand, while the sink and medicine cabinet provide additional storage for toiletries and personal items.
Having your own spacious bathroom means less dependence on campground facilities wherever your adventures take you.
Having your own spacious bathroom means less dependence on campground facilities wherever your adventures take you.
Extend your campsite beyond the walls of the RV with two power awnings. Integrated LED lighting provides convenient illumination for evenings outside, whether you're entertaining friends, enjoying dinner, or simply relaxing at the end of the day.
Extend your campsite beyond the walls of the RV with two power awnings. Integrated LED lighting provides convenient illumination for evenings outside, whether you're entertaining friends, enjoying dinner, or simply relaxing at the end of the day.
An electric leveling system helps make setting up at the campground faster and easier. Underbelly Armor helps protect vital components from road debris, while the painted two-tone aerodynamic fiberglass front cap features an improved turning radius for easier maneuvering.
An electric leveling system helps make setting up at the campground faster and easier. Underbelly Armor helps protect vital components from road debris, while the painted two-tone aerodynamic fiberglass front cap features an improved turning radius for easier maneuvering.
The Sierra also features a cambered powder-coated frame with rust prohibitor construction and Goodyear radial tires with 7,000-lb. axles.
The Sierra also features a cambered powder-coated frame with rust prohibitor construction and Goodyear radial tires with 7,000-lb. axles.
Inside, you'll find thoughtful touches such as recessed residential lighting, Beachside Sundance Congoleum linoleum, a memory foam mattress, and hidden-hinge soft-close drawers and cabinets.
Inside, you'll find thoughtful touches such as recessed residential lighting, Beachside Sundance Congoleum linoleum, a memory foam mattress, and hidden-hinge soft-close drawers and cabinets.
A 60,000 BTU on-demand tankless water heater provides convenient hot water, while a TV antenna with booster adds another useful feature for campground living.
A 60,000 BTU on-demand tankless water heater provides convenient hot water, while a TV antenna with booster adds another useful feature for campground living.
If you're searching for a Forest River Sierra 3370RLS fifth wheel for sale in Indiana, Michigan, or Ohio, visit Royal RV Center in Middlebury, IN. With triple slides, a king bedroom, theater seating, residential kitchen island, free-standing dinette, and abundant storage, the Sierra 3370RLS is designed to make extended travel feel more like home.
If you're searching for a Forest River Sierra 3370RLS fifth wheel for sale in Indiana, Michigan, or Ohio, visit Royal RV Center in Middlebury, IN. With triple slides, a king bedroom, theater seating, residential kitchen island, free-standing dinette, and abundant storage, the Sierra 3370RLS is designed to make extended travel feel more like home.
Visit Royal RV Center in Middlebury, IN, proudly serving Indiana, Michigan, Ohio, and beyond.
Visit Royal RV Center in Middlebury, IN, proudly serving Indiana, Michigan, Ohio, and beyond.
Length
36 ft 4 in
Dry weight
10,319 lbs
Sleeps
4 people
Slideouts
3
Length
36 ft 4 in
Dry weight
10,319 lbs
Sleeps
4 people
Slideouts
3
As provided in the original listing
As provided in the original listing