New 2025 Jayco Seismic 399

Price $132,340.00
Sale Price $97,999.00

Sale!

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Introducing the new 2025 Jayco Seismic 399, a luxurious and spacious toy hauler designed for adventure and comfort. With a massive garage space for your toys, a stylish living area, and a fully equipped kitchen, this RV offers both convenience and versatility. The 399 features a private master suite, modern amenities, and ample storage, making it perfect for long trips or weekend getaways. Built for durability and easy towing, the 2025 Jayco Seismic 399 is your ultimate home-away-from-home for all your outdoor adventures!

 

Jayco Seismic toy hauler 399 highlights:

  • Party Deck
  • Queen Bed with Convertible Sofas
  • Overhead Garage Loft with Storage
  • Walk-in Shower
  • 60" x 80" Queen Bed
  • 4K Smart LED HDTV

 

Get ready for outdoor adventures in this spacious toy hauler. Your guests will have the 13' 6" garage with queen bed with convertible sofa and a loft for added sleeping space, plus there is overhead storage for your things and a side man door to come and go easily. The main living area includes dual opposing slides with an L-shaped tri-fold sofa along the roadside and your dinette and refrigerator plus pantry in the curbside slide. Head up the steps to your front private bedroom with the dual entry bath accessible from the hall and inside the master bedroom. Here you will all enjoy a walk-in shower, toilet, and vanity with a sink, plus overhead storage. The bedroom features a third slide out housing a queen bed for added floor space, plus a full front walk-in closet, a dresser, and washer/dryer prep!

 

One look at the Seismic toy haulers by Jayco, and you'll never go back! Each model features a custom automotive-grade vinyl exterior graphics package, a painted fiberglass front cap with built-in LED lighting, and 102" wide-body structural steel I-beam construction. You'll find the pass-through storage with Slam-Latch baggage doors will make unpacking easier than ever, and the rear ramp door/patio with anti-slip, non-skid flooring will allow you to unload your toys with no trouble at all. These toy haulers feature a three seasons garage wall/doors, a 30 gallon fuel tank with a timer, and exterior marine-grade speakers to keep the party going. The Climate Shield zero degree tested weather protection includes a 35,000 BTU furnace, PEX plumbing, and a fully enclosed and heated underbelly so you can enjoy your adventures year around. And we haven't even touched on the interior luxuries you'll find, like solid hardwood cabinet doors, residential vinyl flooring made in the USA, night shades, and more!

  • Bath and a Half
  • Front Bedroom
  • Two Entry/Exit Doors
  • 4-Star Handling PackageCustomer Value PackageOverlander II Solar Package15,000 BTU Drop-in Cargo A/CHalf Bath

Condition:

New

Sleep Capacity:

9

Water Capacity - Black:

87 gal

Water Capacity - Fresh:

106 gal

Water Capacity - Grey:

87 gal

GVWR:

20,400 lb

Hitch Weight:

3,370 lb

# of Slideouts:

3

  • Exterior
  • Slideout

Stock #:

21903

VIN:

1UJCGSCV0S18M0112

Location:

Souderton, PA

Year:

2025

Brand:

Jayco

Model:

Seismic

Floorplan:

399

Floorplan Type:

Bath and a Half
Front Bedroom
Two Entry/Exit Doors

Length:

45' 0"

SIMILAR UNITS FOR SALE


DEALER INFORMATION


Fretz RV

3479 Bethlehem Pike Souderton, PA 18964

While we attempt to ensure display of current and accurate data, this listing may not reflect the most recent transactions or may reflect occasional data entry errors. All inventory listed is subject to availability and prior sale. Please consult dealership personnel for details. Prices are quoted for the USA only and may not include dealer preparation, transportation, taxes, or other applicable charges. Photographs may be representative only and may vary somewhat from the actual items offered for sale.


Fretz RV
3479 Bethlehem Pike
Souderton, PA 18964
215-723-3121
http://www.fretzrv.com

2025 Jayco Seismic 399 Gallery

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