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Condition: Used
Exterior Length: 39 ft 2 in
Sleeps: 4
Number of Slide Outs: 4
Exterior Height: 12 ft 8 in
Fresh Water Tank Capacity: 66 gal
Description: Used 2011 Keystone RV Alpine 3500RE
Details: Call for details.
WeightDry: 12309
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
Used 2026 KEYSTONE RV CO ALPINE AVALANCHE EDITION 381DL
South Burlington, Vermont
MSRP$74,650 USD $66,981
Condition: Used
Exterior Length: 42 ft 10 in
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2026 Keystone RV Alpine Avalanche Edition 381DL
Details: Call for details.
SleeperSize: King
WeightDry: 15500
Updated: Saturday, October 17, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: Used
Exterior Length: 34 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Exterior Height: 12 ft 3 in
Fresh Water Tank Capacity: 60 gal
Description: Used 2015 Keystone RV Cougar 303RLS
Details: Call for details.
WeightDry: 9735
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: New
Exterior Length: 35 ft 8 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Cougar 316RLS
Details: Keystone Cougar fifth wheel 316RLS highlights: Shower with a Seat Kitchen Island Queen Bed Slide Tri-...
Updated: Saturday, October 24, 2026 03:46 AM
Seller: Petes RV Vermont
Condition: Used
Exterior Length: 37 ft 4 in
Sleeps: 9
Number of Slide Outs: 3
Exterior Height: 12 ft 10 in
Fresh Water Tank Capacity: 60 gal
Description: Used 2015 Keystone RV Cougar 330RBK
Details: Call for details.
WeightDry: 10065
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: New
Exterior Length: 39 ft 3 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 93222
Description: New 2026 Keystone RV Cougar 350LLK
Details: Keystone Cougar fifth wheel 350LLK highlights: Rear Luxury Kitchen Four Slide Outs Queen Bed Shower w...
Updated: Wednesday, September 30, 2026 03:45 AM
Seller: Petes RV Vermont
Condition: Used
Exterior Length: 39 ft 4 in
Sleeps: 7
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 12 ft 6 in
Description: Used 2019 Keystone RV Cougar 366RDS
Details: Call for details.
SleeperSize: Queen
WeightDry: 11202
Updated: Wednesday, October 21, 2026 03:45 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO COUGAR HALF-TON 23MLE
South Burlington, Vermont
MSRP$69,607 USD $47,981
Condition: New
Exterior Length: 27 ft 11 in
Sleeps: 5
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2026 Keystone RV Cougar Half-Ton 23MLE
Details: Keystone Cougar Half-Ton fifth wheel 23MLE highlights: Private Front Bedroom Hutch Tri-Fold S...
Updated: Tuesday, September 01, 2026 09:57 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO COUGAR HALF-TON 28RLI
South Burlington, Vermont
MSRP$76,305 USD $49,981
Condition: New
Sleeps: 5
Number of Slide Outs: 2
Number of Axles: Tandem
Stock Number: 93217
VIN: 4YDFCGN27T2503003
Description: New 2026 Keystone RV Cougar Half-Ton 28RLI
Details: Keystone Cougar Half-Ton fifth wheel 28RLI highlights: Kitchen Island Opposing Slides King Be...
Updated: Saturday, October 24, 2026 03:46 AM
Seller: Petes RV Vermont
Used 2012 KEYSTONE RV CO COUGAR HALF-TON 29RES
South Burlington, Vermont
MSRP$19,250 USD $14,981
Condition: Used
Exterior Length: 30 ft 8 in
Sleeps: 6
Number of Slide Outs: 2
Exterior Height: 11 ft 11 in
Fresh Water Tank Capacity: 43 gal
Description: Used 2012 Keystone RV Cougar 29RES
Details: Call for details.
WeightDry: 7413
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO COUGAR HALF-TON 30REP
South Burlington, Vermont
MSRP$89,858 USD $62,981
Condition: New
Exterior Length: 34 ft 11 in
Sleeps: 4
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 8 in
Description: New 2026 Keystone RV Cougar Half-Ton 30REP
Details: Keystone Cougar Half-Ton fifth wheel 30REP highlights: Patio Door Fold Out Sun Deck Front Bed...
Updated: Tuesday, September 01, 2026 09:57 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO COUGAR SPORT 2700BH
South Burlington, Vermont
MSRP$67,525 USD $46,981
Condition: New
Exterior Length: 31 ft 11 in
Sleeps: 10
Number of Slide Outs: 1
Number of Axles: Tandem
Exterior Height: 12 ft 7 in
Description: New 2026 Keystone RV Cougar SPORT 2700BH
Details: Keystone Cougar Sport fifth wheel 2700BH highlights: Triple Bed Bunks Tri-Fold Sofa Sleeper Pri...
Updated: Saturday, October 24, 2026 03:46 AM
Seller: Petes RV Vermont
Used 2015 KEYSTONE RV CO COUGAR X-LITE 28SGS
South Burlington, Vermont
MSRP$16,550 USD $12,981
Condition: Used
Exterior Length: 30 ft 10 in
Sleeps: 4
Number of Slide Outs: 3
Exterior Height: 11 ft 11 in
Fresh Water Tank Capacity: 43 gal
Description: Used 2015 Keystone RV Cougar X-Lite 28SGS
Details: Call for details.
WeightDry: 7561
Updated: Wednesday, October 14, 2026 03:46 AM
Seller: Petes RV Vermont
Used 2016 KEYSTONE RV CO COUGAR X-LITE 29RES
South Burlington, Vermont
MSRP$20,350 USD $17,981
Condition: Used
Exterior Length: 32 ft 11 in
Sleeps: 4
Number of Slide Outs: 3
Exterior Height: 11 ft 11 in
Fresh Water Tank Capacity: 43 gal
Description: Used 2016 Keystone RV Cougar X-lite 29RES
Details: Call for details.
WeightDry: 8020
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
Used 2019 KEYSTONE RV CO LAREDO SUPER LITE 296SBH
South Burlington, Vermont
MSRP$23,250 USD $19,981
Condition: Used
Exterior Length: 34 ft 2 in
Sleeps: 7
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 12 ft 10 in
Description: Used 2019 Keystone RV Laredo Super Lite 296SBH
Details: Call for details.
SleeperSize: Queen
WeightDry: 9335
Updated: Wednesday, October 28, 2026 03:46 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO MONTANA 3100RL
South Burlington, Vermont
MSRP$151,760 USD $108,981
Condition: New
Exterior Length: 35 ft 11 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Montana 3100RL
Details: Keystone Montan fifth wheel 3100RL highlights: Rear Living Area 48" x 30" Shower King Bed Slide Two ...
Updated: Friday, September 04, 2026 03:45 AM
Seller: Petes RV Vermont
Used 2010 KEYSTONE RV CO MONTANA 3455SA
South Burlington, Vermont
MSRP$16,995 USD $13,995
Condition: Used
Exterior Length: 37 ft 4 in
Sleeps: 4
Number of Slide Outs: 4
Exterior Height: 12 ft 9 in
Fresh Water Tank Capacity: 66 gal
Description: Used 2010 Keystone RV Montana 3455 SA
Details: Call for details.
WeightDry: 12072
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
New 2025 KEYSTONE RV CO MONTANA 3532SP
South Burlington, Vermont
MSRP$142,810 USD $89,981
Condition: New
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Stock Number: 92301
Exterior Color: VOLCANO PAINT
Description: New 2025 Keystone RV Montana 3532SP
Details: Keystone Montana fifth wheel 3532SP highlights: Large Pantry with Sliding Glass Doors L-Shaped Hide-...
Updated: Friday, October 30, 2026 03:49 AM
Seller: Petes RV Vermont
New 2025 KEYSTONE RV CO MONTANA 3623EB
South Burlington, Vermont
MSRP$144,120 USD $82,981
Condition: New
Exterior Length: 40 ft 2 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2025 Keystone RV Montana 3623EB
Details: Keystone Montana fifth wheel 3623EB highlights: Bike Garage Front Private Bedroom Kitchen Island Rea...
Updated: Friday, October 30, 2026 03:49 AM
Seller: Petes RV Vermont
Used 2010 KEYSTONE RV CO MONTANA 3665RE
South Burlington, Vermont
MSRP$16,650 USD $13,981
Condition: Used
Exterior Length: 37 ft 4 in
Sleeps: 4
Number of Slide Outs: 4
Exterior Height: 12 ft 9 in
Fresh Water Tank Capacity: 66 gal
Description: Used 2010 Keystone RV Montana 3665 RE
Details: Call for details.
WeightDry: 12321
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
Used 2019 KEYSTONE RV CO MONTANA 3720RL
South Burlington, Vermont
MSRP$51,250 USD $44,981
Condition: Used
Exterior Length: 39 ft 7 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2019 Keystone RV Montana 3720RL
Details: Call for details.
SleeperSize: Queen
WeightDry: 13284
Updated: Friday, October 30, 2026 03:49 AM
Seller: Petes RV Vermont
Used 2017 KEYSTONE RV CO MONTANA 3790RD
South Burlington, Vermont
MSRP$34,650 USD $29,981
Condition: Used
Exterior Length: 40 ft
Sleeps: 7
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2017 Keystone RV Montana 3790RD
Details: Call for details.
SleeperSize: Queen
WeightDry: 13085
Updated: Friday, October 23, 2026 03:45 AM
Seller: Petes RV Vermont
New 2027 KEYSTONE RV CO MONTANA 3800FL
South Burlington, Vermont
MSRP$188,399 USD $134,995
Condition: New
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Stock Number: 94722
VIN: 4YDFM0V25V4700019
Description: New 2027 Keystone RV Montana 3800FL
Details: Keystone Montan fifth wheel 3800FL highlights: Five Slides Kitchen Island Dual Sofas Bath and a Half...
Updated: Wednesday, September 30, 2026 03:45 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO MONTANA 3915TB
South Burlington, Vermont
MSRP$150,355 USD $94,981
Condition: New
Exterior Length: 43 ft
Sleeps: 9
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Montana 3915TB
Details: Keystone Montana fifth wheel 3915TB highlights: Two Full Baths Four Slide Outs Middle Kitchen/Living...
Updated: Wednesday, September 30, 2026 03:46 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO MONTANA HIGH COUNTRY 290RL
South Burlington, Vermont
MSRP$114,685 USD $78,981
Condition: New
Exterior Length: 33 ft 11 in
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Montana High Country 290RL
Details: Keystone Montana High Country fifth wheel 290RL highlights: Triple Slides Full Bath 12V ...
Updated: Friday, September 04, 2026 03:45 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO MONTANA HIGH COUNTRY 300RK
South Burlington, Vermont
MSRP$120,775 USD $79,981
Condition: New
Sleeps: 4
Number of Slide Outs: 3
Number of Axles: Tandem
Stock Number: 94456
VIN: 4YDFHMR25TA741044
Description: New 2026 Keystone RV Montana High Country 300RK
Details: Keystone Montana High Country fifth wheel 300RK highlights: Rear Kitchen Spacious Full B...
Updated: Friday, September 04, 2026 03:45 AM
Seller: Petes RV Vermont
New 2026 KEYSTONE RV CO MONTANA HIGH COUNTRY 325RK
South Burlington, Vermont
MSRP$106,382 USD $62,981
Condition: New
Exterior Length: 36 ft 7 in
Sleeps: 5
Number of Slide Outs: 3
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Montana High Country 325RK
Details: Keystone Montana High Country fifth wheel 325RK highlights: Triple Slides Outdoor Kitche...
Updated: Saturday, October 24, 2026 03:46 AM
Seller: Petes RV Vermont
New 2027 KEYSTONE RV CO MONTANA HIGH COUNTRY 391TB
South Burlington, Vermont
MSRP$160,685 USD $109,995
Condition: New
Exterior Length: 43 ft 11 in
Sleeps: 8
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 94724
Description: New 2027 Keystone RV Montana High Country 391TB
Details: Keystone Montana High Country fifth wheel 391TB highlights: Four Slides Two Bedrooms Dua...
Updated: Wednesday, September 30, 2026 03:45 AM
Seller: Petes RV Vermont
