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

79 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 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 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 Keystone Cougar Sport 2700BH available in Souderton, Pennsylvania

New 2024 Keystone Cougar Sport 2700BH

New Fifth Wheel in Souderton, Pennsylvania 18964

Awesome new floor plan from cougar at a great price!  lite weight and ready for camping

  • 360 Tour
  • New Arrival
  • Length: 32' 3"
  • Dry Weight: 7,580 lbs
  • # Slideouts: 1
  • Sleeping Cap: 9
Used 2018 Airstream Atlas 24MS Murphy Suite available in Millstone Township, New Jersey

Used 2018 Airstream Atlas 24MS Murphy Suite

Used Class B+ in Millstone Township, New Jersey 08535

Options Included   • Exterior – Silver    • Beachwood/Black Ultraleather Interior Decor   • Mercedes V-6 3.0L 3500 Chassis       Standard Features   2018 Airstream Atlas 24MS Murphy Suite Me ...

  • Sale Pending
  • Length: 24' 9"
  • # Slideouts: 1
  • Mileage: 9,239
  • Sleeping Cap: 2
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
Used 2022 Keystone Cougar East 316RLS available in Souderton, Pennsylvania

Used 2022 Keystone Cougar East 316RLS

Used Fifth Wheel in Souderton, Pennsylvania 18964

One owner, great condition trade in available!

  • Recent Trade-In
  • Length: 35' 9"
  • Dry Weight: 10,436 lbs
  • # Slideouts: 3
  • Sleeping Cap: 6
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 2023 Alliance RV Paradigm 382RK available in Souderton, Pennsylvania

New 2023 Alliance RV Paradigm 382RK

New Fifth Wheel in Souderton, Pennsylvania 18964

Brand new layout! This unit is gorgeous! G range tires, 6 point hydraulic leveling, 7000 lb dexter axles, 20cu ft 12V residential refrigerator, generator prep, 

  • In Stock
  • Special
  • Length: 41' 6"
  • Dry Weight: 13,343 lbs
New 2024 Airstream Atlas 24MS Murphy Suite E1 available in Millstone Township, New Jersey

New 2024 Airstream Atlas 24MS Murphy Suite E1

New Class B+ in Millstone Township, New Jersey 08535

Options Included   • Exterior – Iridium Silver 306465   • Tommy Bahama Desert Sand Ultraleather Interior Decor   • E1 Advanced Power Package   • Mercedes Turbo-Diesel 4-Cylinder 4500 Chassis     ...

  • In Stock
  • Length: 24' 9"
  • Dry Weight: 10,090 lbs
  • # Slideouts: 1
  • Sleeping Cap: 3
Used 2018 Keystone Avalanche 320RS available in Souderton, Pennsylvania

Used 2018 Keystone Avalanche 320RS

Used Fifth Wheel in Souderton, Pennsylvania 18964

  • Sale
  • Recent Trade-In
  • Length: 35' 10"
  • Dry Weight: 11,530 lbs
  • # Slideouts: 3
  • Sleeping Cap: 4
New 2024 Keystone Cougar 316RLS available in Souderton, Pennsylvania

New 2024 Keystone Cougar 316RLS

New Fifth Wheel in Souderton, Pennsylvania 18964

WOW fully body painted cougar!  One of the best layouts on the market!

    • Length: 35' 8"
    • Dry Weight: 10,679 lbs
    • # Slideouts: 3
    • 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 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 2022 Keystone Cougar Half-Ton 24RDS available in Souderton, Pennsylvania

    New 2022 Keystone Cougar Half-Ton 24RDS

    New Fifth Wheel in Souderton, Pennsylvania 18964

    Gorgeous unit with Solar, Fireplace, 12V Refrigerator, Theatre seating! 

    • Sale
    • 360 Tour
    • In Stock
    • Length: 28' 11"
    • Dry Weight: 7,369 lbs
    • # Slideouts: 2
    • Sleeping Cap: 6
    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
    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
    New 2024 Keystone Avalanche 378BH available in Souderton, Pennsylvania

    New 2024 Keystone Avalanche 378BH

    New Fifth Wheel in Souderton, Pennsylvania 18964

    Fresh new 378 IN STOCK!

    • In Stock
    • Length: 40' 7"
    • Dry Weight: 13,820 lbs
    • # Slideouts: 4
    • Sleeping Cap: 10
    New 2023 Keystone Cougar East 355FBS available in Souderton, Pennsylvania

    New 2023 Keystone Cougar East 355FBS

    New Fifth Wheel in Souderton, Pennsylvania 18964

    • Sale
    • 360 Tour
    • In Stock
    • Length: 39' 3"
    • Dry Weight: 11,357 lbs
    • # Slideouts: 3
    • 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 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"
    New 2024 Keystone Avalanche 338GK available in Souderton, Pennsylvania

    New 2024 Keystone Avalanche 338GK

    New Fifth Wheel in Souderton, Pennsylvania 18964

    • 360 Tour
    • Available to Order
    • Length: 38' 0"
    • Dry Weight: 12,523 lbs
    • # Slideouts: 4
    • Sleeping Cap: 4
    New 2024 Keystone Cougar 260MLE available in Souderton, Pennsylvania

    New 2024 Keystone Cougar 260MLE

    New Fifth Wheel in Souderton, Pennsylvania 18964

    WOW this unit is special!  Midnight Edition full body paint!

      • Length: 30' 11"
      • Dry Weight: 9,725 lbs
      • # Slideouts: 2
      • Sleeping Cap: 4
      Used 2019 Keystone Avalanche 375RD available in Souderton, Pennsylvania

      Used 2019 Keystone Avalanche 375RD

      Used Fifth Wheel in Souderton, Pennsylvania 18964

      Awesome 5 slide layout sold and serviced at ivcc

      • In Stock
      • Length: 41' 1"
      • Dry Weight: 13,416 lbs
      • # Slideouts: 5
      • Sleeping Cap: 6
      New 2024 Alliance RV Paradigm 370FB available in Souderton, Pennsylvania

      New 2024 Alliance RV Paradigm 370FB

      New Fifth Wheel in Souderton, Pennsylvania 18964

      • Available to Order
      • Length: 40' 4"
      • Dry Weight: 13,687 lbs
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