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View New & Used RVs for Sale in or near Mountainside, New Jersey

150 listings available

RVUSA offers a variety of rvs for sale in Mountainside, NJ. Our dealer network can help you find the rv of your dreams! Email one of our dealerships and let them help enhance your rv lifestyle!
New 2024 Keystone Cougar Sport 2100RK available in Souderton, Pennsylvania

New 2024 Keystone Cougar Sport 2100RK

New Fifth Wheel in Souderton, Pennsylvania 18964

awesome new layout from cougar at a reasonable price.  JUST ARRIVED

  • Blow Out Price
  • In Stock
  • Length: 26' 3"
  • Dry Weight: 6,815 lbs
  • # Slideouts: 1
  • Sleeping Cap: 6
New 2024 Keystone Avalanche 390DS available in Souderton, Pennsylvania

New 2024 Keystone Avalanche 390DS

New Fifth Wheel in Souderton, Pennsylvania 18964

WOW what a unit! Two master suites with two full baths.  Large loft for the kids! 

  • Sale
  • 360 Tour
  • In Stock
  • New Arrival
  • Length: 42' 11"
  • Dry Weight: 14,384 lbs
  • # Slideouts: 4
  • Sleeping Cap: 6
New 2024 Alliance RV Avenue 32RLS available in Souderton, Pennsylvania

New 2024 Alliance RV Avenue 32RLS

New Fifth Wheel in Souderton, Pennsylvania 18964

Check out this 2024 Rear Living layout!  This unit is gorgeous! 

  • In Stock
  • New Arrival
  • Length: 35' 3"
  • Dry Weight: 10,700 lbs
  • # Slideouts: 3
New 2023 Alliance RV Avenue 33RKS available in Souderton, Pennsylvania

New 2023 Alliance RV Avenue 33RKS

New Fifth Wheel in Souderton, Pennsylvania 18964

Awesome layout with large rear kitchen!  Solar panels, theatre seating, fireplace, king bed.  

  • Sale
  • New Arrival
  • Length: 34' 5"
  • Dry Weight: 10,995 lbs
New 2023 Alliance RV Avenue 31BHS available in Souderton, Pennsylvania

New 2023 Alliance RV Avenue 31BHS

New Fifth Wheel in Souderton, Pennsylvania 18964

Great family layout with double bunks! Off the grid package, 12V Refrigerator! 

  • Sale
  • 360 Tour
  • In Stock
  • Length: 33' 11"
  • Dry Weight: 9,700 lbs
Used 2021 Renegade RV Villagio 25RMC available in Millstone Township, New Jersey

Used 2021 Renegade RV Villagio 25RMC

Used Class C in Millstone Township, New Jersey 08535

Spacious & Luxurious Class C; 3.2kw Cummins Onan Diesel Generator; Heated Holding Tanks; Optional Theater Seating; Maple Hardwood Cabinetry; Clean Carfax; Local Trade-In; Leveling Jacks; 175w Solar; Call us for More Details @ 1-800-265-9019 Options Inc ...

  • Sale Pending
  • Length: 24' 9"
  • # Slideouts: 1
  • Mileage: 12,378
  • Sleeping Cap: 6
Used 2022 Keystone Cougar Half-Ton 24RDS available in Souderton, Pennsylvania

Used 2022 Keystone Cougar Half-Ton 24RDS

Used Fifth Wheel in Souderton, Pennsylvania 18964

Like new one owner 2 airs and slide toppers!

  • In Stock
  • Length: 28' 11"
  • Dry Weight: 7,369 lbs
  • # Slideouts: 2
  • Sleeping Cap: 6
Used 2019 Winnebago Navion 24D available in Millstone Township, New Jersey

Used 2019 Winnebago Navion 24D

Used Class C in Millstone Township, New Jersey 08535

OPTIONS INCLUDED: J32: Zinc/Gray/HG Marbella Canvas 13Y: Dual Pane Coach Windows 153: LG Screen-Infotain GPS/ SirusXM 23T: Drainage System-Heated 28D: Window Blinds (3) CAB 29Z: A/C Heat Pump 31T: Front Cab with Bed 316: Skylight/roof vent. Power 33F: 3.2K ...

  • Sale
  • In Stock
  • Length: 25' 8"
  • # Slideouts: 1
  • Mileage: 18,560
  • Sleeping Cap: 6
New 2023 Keystone Avalanche 360FL available in Souderton, Pennsylvania

New 2023 Keystone Avalanche 360FL

New Fifth Wheel in Souderton, Pennsylvania 18964

WOW what a layout out!  This unit is a 2023 and ready for camping!

  • Sale
  • Blow Out Price
  • In Stock
  • New Arrival
  • Length: 40' 1"
  • Dry Weight: 13,875 lbs
  • # Slideouts: 5
  • Sleeping Cap: 6
New 2024 Keystone Avalanche 338GK available in Souderton, Pennsylvania

New 2024 Keystone Avalanche 338GK

New Fifth Wheel in Souderton, Pennsylvania 18964

One of the best avalache alpine out there!  tons of storage and fully loaded

  • New Arrival
  • Length: 37' 11"
  • Dry Weight: 12,685 lbs
  • # Slideouts: 4
  • Sleeping Cap: 4
New 2022 Alliance RV Avenue 36BRM available in Souderton, Pennsylvania

New 2022 Alliance RV Avenue 36BRM

New Fifth Wheel in Souderton, Pennsylvania 18964

This gorgeous bunk house just hit the lot!  It's a MUST SEE! King bed, 12V Refrigerator, Off the grid solar package! 

  • Sale
  • In Stock
  • Special
  • Length: 39' 5"
  • Dry Weight: 11,700 lbs
  • # Slideouts: 3
  • Sleeping Cap: 6
New 2024 Alliance RV Paradigm 395DS available in Souderton, Pennsylvania

New 2024 Alliance RV Paradigm 395DS

New Fifth Wheel in Souderton, Pennsylvania 18964

NEW ARRIVAL!!!

  • In Stock
  • Length: 42' 6"
  • Dry Weight: 13,920 lbs
  • # Slideouts: 4
  • Sleeping Cap: 8
Used 2021 Dynamax Corp Isata 3 Series 24FW available in Millstone Township, New Jersey

Used 2021 Dynamax Corp Isata 3 Series 24FW

Used Class C in Millstone Township, New Jersey 08535

New Arrival! Lithium 200Ah; Solar 200w; Blindspot Camera; Quadview Display; Alcoa Wheels; TST Brake Controller; Winegard T4 Satellite Antenna; 1-Owner, Clean Carfax, Local trade-In; Call us for more information @ 1-800-265-9019! Options Included • 24F ...

  • Sale
  • In Stock
  • Length: 24' 7"
  • Dry Weight: 10,126 lbs
  • # Slideouts: 1
  • Mileage: 33,594
  • Sleeping Cap: 6
Used 2019 Winnebago Navion 24V available in Millstone Township, New Jersey

Used 2019 Winnebago Navion 24V

Used Class C in Millstone Township, New Jersey 08535

Options Included:  J31: Zinc/Gray/Aosta Canvas 1BU: Water Heater Tanks W/Recirculation Pump 153: LG Screen – Info GPS/ SirusXM 23T: Drainage System-Heated 28D: Window Blinds (3) CAB 29Z: A/C Heat Pump 31T: Front Cab with Bed 316: Skylight/Roof v ...

  • Sale
  • In Stock
  • Length: 25' 8"
  • # Slideouts: 1
  • Mileage: 26,655
  • Sleeping Cap: 6
New 2024 Keystone Cougar Half-Ton 23MLE available in Souderton, Pennsylvania

New 2024 Keystone Cougar Half-Ton 23MLE

New Fifth Wheel in Souderton, Pennsylvania 18964

awesome new layout just arrived!

  • In Stock
  • New Arrival
  • Length: 27' 11"
  • Dry Weight: 7,678 lbs
  • # Slideouts: 2
  • Sleeping Cap: 6
New 2025 Winnebago Ekko 23B available in Millstone Township, New Jersey

New 2025 Winnebago Ekko 23B

New Class C in Millstone Township, New Jersey 08535

OPTIONS INCLUDED: RJ2: Veredis/Sage/Panarea 1MA: Entertainment System 35B: Luggage Rack 37B: Graphics – Verdant II 52F: Batwing Awning 52L: Generator   Details 23B Exterior Length 24’6″ Exterior Height 10’11” Exterior Wid ...

  • In Stock
  • Length: 24' 6"
  • Sleeping Cap: 5
New 2024 Winnebago Navion 24D available in Millstone Township, New Jersey

New 2024 Winnebago Navion 24D

New Class C in Millstone Township, New Jersey 08535

Options Included: L30: Harmony/Taupe/Columbian Walnut W/White 002: 2022 Model Year Chassis 1MA: Entertainment System 13Y: Dual Pane Coach Windows 33F: 3.2 KW Onan Diesel Generator 60M: Hydraulic Leveling Jacks – Auto 62F: Primera Driver & Pa ...

  • Sale
  • In Stock
  • Length: 25' 6"
  • # Slideouts: 1
  • Sleeping Cap: 6
Used 2020 Tiffin Wayfarer 25 RW available in Millstone Township, New Jersey

Used 2020 Tiffin Wayfarer 25 RW

Used Class C in Millstone Township, New Jersey 08535

Options Included   • 2000W Pure Sine Inverter   • Go Power 170 Watt Solar • (2) Dragonfly 100ah Lithium batteries W/Heat   • Exterior TV   •  Bigfoot Hydraulic Jacks   • Electric Theater Seats &nb ...

  • Sale
  • In Stock
  • Length: 25' 7"
  • # Slideouts: 1
  • Mileage: 19,062
  • Sleeping Cap: 6
New 2023 Keystone Cougar 320RDS available in Souderton, Pennsylvania

New 2023 Keystone Cougar 320RDS

New Fifth Wheel in Souderton, Pennsylvania 18964

Check out this awesome rear den layout! This new model is a MUST SEE!  

  • Sale
  • 360 Tour
  • In Stock
  • New Arrival
  • Length: 36' 10"
Used 2020 Forest River Forester 2441DS available in Souderton, Pennsylvania

Used 2020 Forest River Forester 2441DS

Used Class C in Souderton, Pennsylvania 18964

    • Length: 27' 1"
    • Dry Weight: 11,690 lbs
    • # Slideouts: 2
    • Sleeping Cap: 6
    New 2025 Winnebago Ekko 23B available in Millstone Township, New Jersey

    New 2025 Winnebago Ekko 23B

    New Class C in Millstone Township, New Jersey 08535

    OPTIONS INCLUDED: RJ2: Veredis/Sage/Panarea 1GD: Exterior Graphics Delete 1MA: Entertainment System 35B: Luggage Rack 37B: Graphics – Verdant II 45F: Cab Seat Bed 52F: Batwing Awning 52L: Generator   Details 23B Exterior Length 24’6″ ...

    • In Stock
    • Length: 24' 6"
    • Sleeping Cap: 5
    New 2024 Keystone Cougar Half-Ton 29RLISE available in Souderton, Pennsylvania

    New 2024 Keystone Cougar Half-Ton 29RLISE

    New Fifth Wheel in Souderton, Pennsylvania 18964

    Lightest weight triple slide fifth wheel out there!  Stop by for a tour!

      • Length: 32' 9"
      • Dry Weight: 8,893 lbs
      • # Slideouts: 3
      • Sleeping Cap: 4
      New 2024 Alliance RV Paradigm 310RL available in Souderton, Pennsylvania

      New 2024 Alliance RV Paradigm 310RL

      New Fifth Wheel in Souderton, Pennsylvania 18964

      • In Stock
      • New Arrival
      • Length: 34' 11"
      • Dry Weight: 12,243 lbs
      • # Slideouts: 3
      • Sleeping Cap: 4
      New 2024 Winnebago Navion 24D available in Millstone Township, New Jersey

      New 2024 Winnebago Navion 24D

      New Class C in Millstone Township, New Jersey 08535

      Options Included: L30: Harmony/Taupe/Columbian Walnut W/White 1MA: Entertainment System 13Y: Dual Pane Coach Windows 22N: Lithium Battery 60M: Hydraulic Leveling Jacks – Auto 62F: Primera Driver & Passenger Seats 87C: Mercedes-Benz 2.0L 4-Cy ...

      • Sale
      • In Stock
      • Length: 25' 6"
      • # Slideouts: 1
      • Sleeping Cap: 6
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