{"@context":"https://schema.org","@type":"Product","name":"17 Keystone Cougar RVs for sale","offers":{"@type":"AggregateOffer","offerCount":17,"lowPrice":"22694.00","highPrice":"86649.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-350llk/422865a4-3d82-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 350LLK","description":"2026 KEYSTONE COUGAR 350LLK, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 4 people and is available at Camping World in Buford, GA.

Specs: Length: 39.25' | Weight: 11945.0 lbs | Slide Outs: 3 | Sleep Number: 4 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND * PROF GRADE CAMPING PKG * FREE STANDING DINETTE WITH OTTOMAN * KING BED * RVIA * EXTERIOR - WHITE FOG * 12V. 16 CU. FT. REFER * TOWING WITH CONFIDENCE PKG & ABS * 4-PT AUTO LEVELING * COUGAR INNOVATION PKG * SLIDE AWNING PKG - QUAD SLIDES * INTERIOR - UMBER LUXE","itemCondition":"Used","priceCurrency":"USD","price":"78198.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-keystone-cougar-27sgs/8fdacc30-3e4a-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2023 KEYSTONE COUGAR 27SGS","description":"2023 KEYSTONE COUGAR 27SGS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 30.58' | Weight: 8211.0 lbs | Slide Outs: 3 | Sleep Number: 5 | Electrical Service: 50 amp | Exterior Height: 12.58' | Fresh Water Tank: 60.0 gal | Black Water Tank: 30.0 gal

Also Includes: * BATTERY * 3 BURNER STOVE * 2 RECLINER CHAIRS * JACKKNIFE SOFA * DAY/NIGHT SHADES * SOFA OVERHEAD COMPARTMENTS * MIRRORED WARDROBE * FIREPLACE * TV * PATIO AWNING * REAR HITCH * REAR LIVING ROOM * REAR LADDER * 3 SLIDE OUTS * OUTSIDE SHOWER * GRAB HANDLE * DUAL ROOF AC * REAR KITCHEN * FRONT QUEEN BED * SIDE AISLE BATH W/SHOWER * DOUBLE DOOR REFRIGERATOR * FREE STANDING DINETTE * MICROWAVE * OVEN","itemCondition":"Used","priceCurrency":"USD","price":"39688.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2021-keystone-cougar-22mls/93ecd0fb-3a5c-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2021 KEYSTONE COUGAR 22MLS","description":"2021 KEYSTONE COUGAR 22MLS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Travel Trailer sleeps 3 people and is available at Camping World in Buford, GA.

Specs: Length: 27.0' | Weight: 5840.0 lbs | Slide Outs: 1 | Sleep Number: 3 | Exterior Height: 11.42' | Fresh Water Tank: 60.0 gal | Black Water Tank: 30.0 gal

Also Includes: * REAR CORNER BATH * SINGLE DOOR REFRIGERATOR * BOOTH DINETTE * MICROWAVE * OVEN * 3 BURNER STOVE * BATTERY * 2 RECLINER CHAIRS * DAY/NIGHT SHADES * KING SIZE BED * TV * PATIO AWNING * REAR HITCH * POWER TONGUE JACK * REAR LADDER * 1 SLIDE OUT * GRAB HANDLE * CENTER LIVING ROOM * ROOF AC * REAR KITCHEN","itemCondition":"Used","priceCurrency":"USD","price":"22694.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-360mbi/0d10689d-3a5c-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 360MBI","description":"2026 KEYSTONE COUGAR 360MBI, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 9 people and is available at Camping World in Buford, GA.

Specs: Length: 40.08' | Weight: 12349.0 lbs | Slide Outs: 4 | Sleep Number: 9 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * PROF GRADE CAMPING PKG * KING BED * RVIA * INTERIOR - UMBER LUXE * EXTERIOR - WHITE FOG * TOWING WITH CONFIDENCE PKG & ABS * 4-PT AUTO LEVELING * COUGAR INNOVATION PKG * SLIDE AWNING PKG - QUAD SLIDES * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND * 12V. 16 CU. FT. REFER","itemCondition":"Used","priceCurrency":"USD","price":"78198.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-cougar-360mbi/ea47c2ec-2f5d-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR 360MBI","description":"2025 KEYSTONE COUGAR 360MBI, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 8 people and is available at Camping World in Buford, GA.

Specs: Length: 39.25' | Weight: 12385.0 lbs | Slide Outs: 4 | Sleep Number: 8 | Electrical Service: 50 amp | Exterior Height: 13.42' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * BATTERY * 3 BURNER STOVE * 2 RECLINER CHAIRS * LEATHER SOFA SLEEPER * CEILING FAN * DAY/NIGHT SHADES * SOFA OVERHEAD COMPARTMENTS * MIRRORED WARDROBE * FIREPLACE * WASHER/DRYER READY * TV * REAR LIVING ROOM * PATIO AWNING * REAR HITCH * REAR LADDER * 4 SLIDE OUTS * OUTSIDE GRILL * GRAB HANDLE * DUAL ROOF AC * REAR KITCHEN * FRONT QUEEN BED * SIDE AISLE BATH W/SHOWER * DOUBLE DOOR REFRIGERATOR * BOOTH DINETTE * MICROWAVE * OVEN","itemCondition":"Used","priceCurrency":"USD","price":"70688.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-364bhl/90f70554-334a-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 364BHL","description":"2026 KEYSTONE COUGAR 364BHL, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 9 people and is available at Camping World in Buford, GA.

Specs: Length: 39.0' | Weight: 11718.0 lbs | Slide Outs: 3 | Sleep Number: 9 | Electrical Service: 50 amp | Exterior Height: 13.42' | Fresh Water Tank: 75.0 gal | Black Water Tank: 76.0 gal

Also Includes: * PROF GRADE CAMPING PKG * RVIA * EXTERIOR - WHITE FOG * INTERIOR - UMBER LUXE * 12V. 16 CU. FT. REFER * 4-PT AUTO LEVELING * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * SLIDE AWNING PKG - TRIPLE SLIDE * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND","itemCondition":"Used","priceCurrency":"USD","price":"73198.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-320rds/e0e25674-1fa1-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 320RDS","description":"2026 KEYSTONE COUGAR 320RDS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 36.83' | Weight: 11133.0 lbs | Slide Outs: 3 | Sleep Number: 5 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * PROF GRADE CAMPING PKG * RVIA * INTERIOR - UMBER LUXE * 12V. 16 CU. FT. REFER * EXTERIOR - WHITE FOG * TOWING WITH CONFIDENCE PKG & ABS * 4-PT AUTO LEVELING * COUGAR INNOVATION PKG * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * FREE STANDING DINETTE WITH OTTOMAN * KING BED","itemCondition":"Used","priceCurrency":"USD","price":"70649.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-316rls/834a0f08-2dc9-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 316RLS","description":"2026 KEYSTONE COUGAR 316RLS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 35.67' | Weight: 11050.0 lbs | Slide Outs: 3 | Sleep Number: 5 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * PROF GRADE CAMPING PKG * KING BED * RVIA * EXTERIOR - WHITE FOG * 12V. 16 CU. FT. REFER * INTERIOR - UMBER LUXE * 4-PT AUTO LEVELING * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND * FREE STANDING DINETTE WITH OTTOMAN","itemCondition":"Used","priceCurrency":"USD","price":"69649.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2025-keystone-cougar-24rds/3f36ccb1-0a6e-11f1-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2025 KEYSTONE COUGAR 24RDS","description":"2025 KEYSTONE COUGAR 24RDS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 28.83' | Weight: 7612.0 lbs | Slide Outs: 2 | Sleep Number: 5 | Electrical Service: 50 amp | Exterior Height: 12.92' | Fresh Water Tank: 54.0 gal | Black Water Tank: 30.0 gal

Also Includes: * CENTER KITCHEN * ROOF AC * REAR LIVING ROOM * SINGLE DOOR REFRIGERATOR * BOOTH DINETTE * 2 SLIDE OUTS * BATTERY * FRONT QUEEN BED * DAY/NIGHT SHADES * SIDE AISLE BATH W/SHOWER * OVEN * FIREPLACE * TV * PATIO AWNING * MICROWAVE * MIRRORED WARDROBE * 3 BURNER STOVE","itemCondition":"Used","priceCurrency":"USD","price":"43398.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-22mls/5e10f9fd-2d00-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 22MLS","description":"2026 KEYSTONE COUGAR 22MLS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Travel Trailer sleeps 3 people and is available at Camping World in Buford, GA.

Specs: Length: 26.83' | Weight: 6088.0 lbs | Slide Outs: 1 | Sleep Number: 3 | Electrical Service: 30 amp | Exterior Height: 11.42' | Fresh Water Tank: 54.0 gal | Black Water Tank: 30.0 gal

Also Includes: * PROF GRADE CAMPING PKG * 12V 10 CU. FT. REFER * INTERIOR - UMBER LUXE * AUTO LEVELING SYSTEM * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * CLIMATE GUARD PROTECTION PKG * SLIDE AWNING PKG - SINGLE SLIDE * SOLAR FLEX PROTECT * RVIA * EXTERIOR - WHITE FOG","itemCondition":"Used","priceCurrency":"USD","price":"42649.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-360mbi/a9afaad9-3a5b-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 360MBI","description":"2026 KEYSTONE COUGAR HERO EDITION 360MBI, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 9 people and is available at Camping World in Buford, GA.

Specs: Length: 40.08' | Weight: 12349.0 lbs | Slide Outs: 4 | Sleep Number: 9 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * PROF GRADE CAMPING PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND * KING BED * RVIA * HERO EDITION PKG * INTERIOR - UMBER LUXE * 12V. 16 CU. FT. REFER * EXTERIOR - HEROIC GREEN * TOWING WITH CONFIDENCE PKG & ABS * 4-PT AUTO LEVELING * COUGAR INNOVATION PKG * WOUNDED WARRIOR PROJECT * SLIDE AWNING PKG - QUAD SLIDES * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG","itemCondition":"Used","priceCurrency":"USD","price":"86649.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-keystone-cougar-22rbs/fb359a28-153f-11f0-ba3e-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2023 KEYSTONE COUGAR 22RBS","description":"2023 KEYSTONE COUGAR 22RBS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Travel Trailer sleeps 3 people and is available at Camping World in Buford, GA.

Specs: Length: 25.92' | Weight: 5621.0 lbs | Slide Outs: 1 | Sleep Number: 3 | Exterior Height: 11.42' | Fresh Water Tank: 54.0 gal | Black Water Tank: 30.0 gal

Also Includes: * KING SIZE BED * PATIO AWNING * POWER TONGUE JACK * 3 BURNER STOVE * REAR BATH/SHOWER * BOOTH DINETTE * OUTSIDE SHOWER","itemCondition":"Used","priceCurrency":"USD","price":"27598.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2023-keystone-cougar-364bhl/ccf848cb-455e-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2023 KEYSTONE COUGAR 364BHL","description":"2023 KEYSTONE COUGAR 364BHL, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 9 people and is available at Camping World in Buford, GA.

Specs: Length: 39.17' | Weight: 11404.0 lbs | Slide Outs: 3 | Sleep Number: 9 | Electrical Service: 50 amp | Exterior Height: 13.42' | Fresh Water Tank: 81.0 gal | Black Water Tank: 76.0 gal

Also Includes: * BATTERY * OVEN * 3 BURNER STOVE * JACKKNIFE SOFA * DAY/NIGHT SHADES * MIRRORED WARDROBE * FIREPLACE * TV * PATIO AWNING * REAR HITCH * REAR LADDER * CENTER LIVING ROOM * 3 SLIDE OUTS * FRONT & REAR ENTRY DOORS * OUTSIDE SHOWER * OUTSIDE GRILL * GRAB HANDLE * DUAL ROOF AC * CENTER KITCHEN * FRONT QUEEN BED * DOUBLE BUNKS * SIDE AISLE BATH W/SHOWER * DOUBLE DOOR REFRIGERATOR * BOOTH DINETTE * MICROWAVE","itemCondition":"Used","priceCurrency":"USD","price":"50688.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-25rds/7ef06cd8-29db-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 25RDS","description":"2026 KEYSTONE COUGAR 25RDS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Travel Trailer sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 29.83' | Weight: 6507.0 lbs | Slide Outs: 1 | Sleep Number: 5 | Electrical Service: 30 amp | Exterior Height: 11.25' | Fresh Water Tank: 54.0 gal | Black Water Tank: 30.0 gal

Also Includes: * PROF GRADE CAMPING PKG * 50 AMP SERVICE & 2ND A/C PREP * THEATER SEATING IN PLACE OF TRI-FOLD * RVIA * INTERIOR - UMBER LUXE * 12V 10 CU. FT. REFER * EXTERIOR - WHITE FOG * AUTO LEVELING SYSTEM * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * 15K BTU A/C - 2ND * SLIDE AWNING PKG - SINGLE SLIDE * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * FIREPLACE","itemCondition":"Used","priceCurrency":"USD","price":"42898.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-32bhs/a40b7202-3bec-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 32BHS","description":"2026 KEYSTONE COUGAR 32BHS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 11 people and is available at Camping World in Buford, GA.

Specs: Length: 35.67' | Weight: 9428.0 lbs | Slide Outs: 3 | Sleep Number: 11 | Electrical Service: 50 amp | Exterior Height: 12.58' | Fresh Water Tank: 54.0 gal | Black Water Tank: 60.0 gal

Also Includes: * 4-PT AUTO LEVELING * INTERIOR - UMBER LUXE * PROF GRADE CAMPING PKG * THEATER SEATING IN PLACE OF TRI-FOLD * CLIMATE GUARD PROTECTION PKG * 12V 10 CU. FT. REFER * TOWING WITH CONFIDENCE PKG & ABS * SOLAR FLEX PROTECT * COUGAR INNOVATION PKG * FIREPLACE * RVIA * SLIDE AWNING PKG - TRIPLE SLIDE * 15K BTU A/C - 2ND","itemCondition":"Used","priceCurrency":"USD","price":"59498.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-25fkd/e313ca7b-3800-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 25FKD","description":"2026 KEYSTONE COUGAR 25FKD, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Travel Trailer sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 29.92' | Weight: 7096.0 lbs | Slide Outs: 2 | Sleep Number: 5 | Electrical Service: 30 amp | Exterior Height: 11.42' | Fresh Water Tank: 54.0 gal | Black Water Tank: 30.0 gal

Also Includes: * PROF GRADE CAMPING PKG * 50 AMP SERVICE & 2ND A/C PREP * THEATER SEATING IN PLACE OF TRI-FOLD * RVIA * EXTERIOR - WHITE FOG * 12V 10 CU. FT. REFER * INTERIOR - UMBER LUXE * AUTO LEVELING SYSTEM * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * SLIDE AWNING PKG - DOUBLE SLIDE * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * FIREPLACE","itemCondition":"Used","priceCurrency":"USD","price":"58698.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-keystone-cougar-316rls/b08325f2-751d-11f0-85e2-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 KEYSTONE COUGAR 316RLS","description":"2026 KEYSTONE COUGAR 1776 EDITION 316RLS, Camping World ClearPrice - No Hidden Fees. No Surprises.

The price listed on this unit includes freight, vehicle prep, and documentation fee.

This Fifth-Wheel sleeps 5 people and is available at Camping World in Buford, GA.

Specs: Length: 35.67' | Weight: 11050.0 lbs | Slide Outs: 3 | Sleep Number: 5 | Electrical Service: 50 amp | Exterior Height: 13.33' | Fresh Water Tank: 75.0 gal | Black Water Tank: 38.0 gal

Also Includes: * PROF GRADE CAMPING PKG * 4-PT AUTO LEVELING * TOWING WITH CONFIDENCE PKG & ABS * COUGAR INNOVATION PKG * 15K BTU A/C - 2ND * CLIMATE GUARD PROTECTION PKG * SOLAR FLEX PROTECT * POWER AWNING - 2ND * EXTERIOR - 1776 EDITION * FREE STANDING DINETTE WITH OTTOMAN * KING BED * RVIA * INTERIOR - UMBER LUXE * 12V. 16 CU. FT. REFER * SLIDE AWNING PKG - TRIPLE SLIDE","itemCondition":"Used","priceCurrency":"USD","price":"77798.00"}}]}}

Camping World (Buford, GA)

Keystone Cougar RVs for sale