Skip to main contentSkip to navigation
RV Envy
RV floor plans
Inventory
Dealers
Dashboard
  • Class A motorhomes
  • Class C motorhomes
  • Class B vans
  • Fifth wheel trailers
  • Travel trailers
  • Pop-up campers
  • Advanced search
  • Floor plan wizard
  • Inventory

Browse popular layouts & features

Class A motorhomes

  • … with bunk beds
  • … with two bedrooms
  • … with bath and a half
  • … with two full bathrooms
  • … with bunk over cab
  • … with rear bathroom
Browse all features →

Class B vans

  • … with King size bed
  • … with rear twin beds
  • … with Murphy bed
  • … with rear bathroom
  • … with dual twin beds
Browse all features →

Class C motorhomes

  • … with bunk over cab
  • … with bunk beds
  • … with rear bathroom
  • … with rear twin beds
  • … with Murphy bed
  • … with outdoor kitchen
  • … with outdoor TV
Browse all features →

Fifth wheel trailers

  • … with bath and a half
  • … with two bathrooms
  • … with bunk beds
  • … with two bedrooms
  • … with side patio
  • … with rear patio
  • … with outdoor kitchen
  • … with washer/dryer
  • … with front living
Browse all features →

Travel trailers

  • … with bunk beds
  • … with two bedrooms
  • … with Murphy bed
  • … with outdoor kitchen
  • … with rear bath
  • … with front bedroom
Browse all features →

Popup campers

  • under $10k
  • under $15k
  • under 2,000 lbs
  • under 3,000 lbs
Browse all features →

RV dealers by metro area

Los AngelesDallas–Fort WorthHoustonAtlantaPhoenixTampa BayOrlandoDenverChicagoSeattleNashvilleTorontoBrowse all metro areas →

Explore

  • RV floor plans
  • Browse inventory
  • Dealers
  • Shopping tips

Company

  • About
  • Our story
  • Contact

For dealers

  • Dealer websites & CRM
  • Dealer insights

Join our mailing list

We don't send much, but you won't want to miss it!

RV Envy

The RV search engine. Find your dream RV.

We do our best to keep listing details accurate, but pricing, specifications, and availability come from third-party sources and can change without notice. We can't guarantee accuracy, so please confirm the details with the dealer before making any decisions. See something inaccurate? Contact us.

© 2026 RV Envy. All rights reserved.

For AI agentsPrivacyTerms
Dashboard
    1. Home
    2. Inventory
    3. 2016 Keystone Cougar Half-Ton Series 21RBSWE

    2016 Keystone Cougar Half-Ton Series 21RBSWE

    UsedTravel trailer|Stock #33031B|Located at Gib's RV Superstore in Coos Bay, OR
    $13,995
    RV Envy

    2016 Keystone Cougar Half-Ton Series 21RBSWE

    Used · Travel trailer

    $13,995

    Gib's RV Superstore

    1845 Ocean Blvd

    Coos Bay, OR 97420

    (541) 888-3424

    Stock #33031B

    2016 Keystone Cougar Half-Ton Series 21RBSWE floor plan

    Specifications

    Length25 ft 9 in
    Dry weight5,410 lbs
    Sleeps4 people
    Slideouts1

    Full specifications

    Black Water Capacity38 gals
    Cargo Capacity1790 lbs
    Dry Weight5410 lbs
    Ext Height11 ft 1 in
    Ext Width8 ft
    Fresh Water Capacity60 gals
    Furnace BTU30000 btu
    Grey Water Capacity76 gals
    Hitch Weight550 lbs
    Length25 ft 9 in
    Sleeps4
    Slides1
    Tire SizeST225/75R15D

    Options and equipment may differ from those listed. We do our best to ensure accuracy, but please confirm all details with the dealer before purchase.

    Get more info

    2016 Cougar Half-Ton Series 21RBSWE

    2016 Cougar Half-Ton Series 21RBSWE
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.

    Dealer information

    Gib's RV Superstore

    1845 Ocean Blvd
    Coos Bay, OR 97420
    (541) 888-3424

    Many conveniences of home fit nicely in this Cougar 1/2 Ton series travel trailer by Keystone RV. This unit features a single slide for added space and sleeping for four.

    As you enter model 21RBSWE you will find a closet/pantry to the left of the door for convenient storage. Straight ahead is a rear corner bath which provides a neo-angle shower, toilet, and sink.

    Prepare and cook food easily in the kitchen provided with counter space, a three burner range, double kitchen sink, and refrigerator. Plus there is storage space available in the overhead cabinets for dishes, and lower cupboards and drawers for larger items and silverware, plus more.

    The u-shaped dinette slide offers seating for everyone during mealtime besides opening up the foot traffic space from the back to the front while the slide is fully extended. It can also be quickly transformed into sleeping space for two at night if needed.

    The front offers a space with a queen sized bed including overhead storage. There are also bedside wardrobes and a laundry chute on the right to keep things neat and tidy while you camp. A TV mount is available for you to add a 32" TV if you choose.

    You will also enjoy the front pass-through storage compartment beneath the queen bed area for all of your outdoor camping gear, and so much more!

    This unit is sold as is. No warranties expressed or implied.

    Many conveniences of home fit nicely in this Cougar 1/2 Ton series travel trailer by Keystone RV. This unit features a single slide for added space and sleeping for four.

    As you enter model 21RBSWE you will find a closet/pantry to the left of the door for convenient storage. Straight ahead is a rear corner bath which provides a neo-angle shower, toilet, and sink.

    Prepare and cook food easily in the kitchen provided with counter space, a three burner range, double kitchen sink, and refrigerator. Plus there is storage space available in the overhead cabinets for dishes, and lower cupboards and drawers for larger items and silverware, plus more.

    The u-shaped dinette slide offers seating for everyone during mealtime besides opening up the foot traffic space from the back to the front while the slide is fully extended. It can also be quickly transformed into sleeping space for two at night if needed.

    The front offers a space with a queen sized bed including overhead storage. There are also bedside wardrobes and a laundry chute on the right to keep things neat and tidy while you camp. A TV mount is available for you to add a 32" TV if you choose.

    You will also enjoy the front pass-through storage compartment beneath the queen bed area for all of your outdoor camping gear, and so much more!

    This unit is sold as is. No warranties expressed or implied.

    Specifications

    Length

    25 ft 9 in

    Dry weight

    5,410 lbs

    Sleeps

    4 people

    Slideouts

    1

    Specifications

    Length

    25 ft 9 in

    Dry weight

    5,410 lbs

    Sleeps

    4 people

    Slideouts

    1

    Unit features & options

    • Executive Chef Kitchen (most models)
    • Hardwood cabinet doors
    • Oversized pots and pans drawer
    • Pantry 100% larger than competitors
    • Deep stainless steel two bowl sink with sink cover cutting boards
    • Residential full-extension drawer glides with steel ball bearings throughout
    • Residential porcelain toilet with foot pedal
    • EZ-Lube hubs on axles (all models)
    • 30,000 BTU furnace
    • One-piece TPO roof membrane
    • All windows in main slide-out open
    • Push-back recliners (25RLSWE, 28RLSWE, 29RKSWE, 244RLSWE, 277RLSWE, 279RKSWE, 283RETWE)
    • Cable/satellite prep
    • Charging station
    • Laundry chute (most models)
    • Microwave oven with turn style
    • 13,500 BTU air conditioner
    • Pleated day/night shades
    • Black trim safety glass windows (tinted to keep the sun out)
    • Aluminum framed sidewalls, floor, front and rear walls, slide rooms
    • All weather outside speakers
    • Residential tiled shower/tub surround
    • Laminated fiberglass sidewalls
    • True home CD/DVD system with speakers and separate zones (12-Volt compatible); MP3 player hookup on stereo

    Unit features & options

    • Executive Chef Kitchen (most models)
    • Hardwood cabinet doors
    • Oversized pots and pans drawer
    • Pantry 100% larger than competitors
    • Deep stainless steel two bowl sink with sink cover cutting boards
    • Residential full-extension drawer glides with steel ball bearings throughout
    • Residential porcelain toilet with foot pedal
    • EZ-Lube hubs on axles (all models)
    • 30,000 BTU furnace
    • One-piece TPO roof membrane
    • All windows in main slide-out open
    • Push-back recliners (25RLSWE, 28RLSWE, 29RKSWE, 244RLSWE, 277RLSWE, 279RKSWE, 283RETWE)
    • Cable/satellite prep
    • Charging station
    • Laundry chute (most models)
    • Microwave oven with turn style
    • 13,500 BTU air conditioner
    • Pleated day/night shades
    • Black trim safety glass windows (tinted to keep the sun out)
    • Aluminum framed sidewalls, floor, front and rear walls, slide rooms
    • All weather outside speakers
    • Residential tiled shower/tub surround
    • Laminated fiberglass sidewalls
    • True home CD/DVD system with speakers and separate zones (12-Volt compatible); MP3 player hookup on stereo

    Full specifications

    As provided in the original listing

    Black Water Capacity38 gals
    Cargo Capacity1790 lbs
    Dry Weight5410 lbs
    Ext Height11 ft 1 in
    Ext Width8 ft
    Fresh Water Capacity60 gals
    Furnace BTU30000 btu
    Grey Water Capacity76 gals
    Hitch Weight550 lbs
    Length25 ft 9 in
    Sleeps4
    Slides1
    Tire SizeST225/75R15D

    Full specifications

    As provided in the original listing

    Black Water Capacity38 gals
    Cargo Capacity1790 lbs
    Dry Weight5410 lbs
    Ext Height11 ft 1 in
    Ext Width8 ft
    Fresh Water Capacity60 gals
    Furnace BTU30000 btu
    Grey Water Capacity76 gals
    Hitch Weight550 lbs
    Length25 ft 9 in
    Sleeps4
    Slides1
    Tire SizeST225/75R15D

    Price history

    Days listed

    93

    Price history

    Days listed

    93

    Get more info

    2016 Cougar Half-Ton Series 21RBSWE

    2016 Cougar Half-Ton Series 21RBSWE
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.