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New
Fifth Wheel

2025 Keystone Alpine Avalanche Edition 321RL

Length: 36.42
Slides: 3
Sleeps: 4
Dry Weight: 12008
Stock#: M3515
VIN# 4YDFAVR2XSE760075

Sale Price

$72,992

MSRP Price

$103,790

Est. Payment*

$557 mo.

See this RV at our Location

2025 Keystone Alpine Avalanche Edition 321RL Details

Stock#: M3515
VIN#: 4YDFAVR2XSE760075
Year: 2025
RV Type: Fifth Wheel

This RV is for sale at our

Mt. Vernon Location

Introducing the versatile 2025 Keystone Alpine Avalanche Edition 321RL, a fifth wheel designed to provide exceptional comfort and convenience for your RV adventures. This new model measures approximately 36.42 feet in length and offers a GVWR of 15,000 pounds, making it ideal for families or couples seeking an escape into nature without compromising on luxury. With the ability to comfortably sleep up to four people, this RV features a well-thought-out living area that includes three slide-outs, which enhance the spaciousness and overall flow of the interior.With two awnings, outdoor enthusiasts can easily create shaded spaces for relaxation and entertainment. The front and rear power leveling jacks simplify the setup process, allowing you to focus more on enjoying your journey and less on the technical details. The Alpine Avalanche Edition excels in providing a high-end experience, with ample storage, modern amenities, and premium materials used throughout. Whether you are embarking on a weekend getaway or a longer road trip, the flexibility of this RV makes it the perfect companion for your travels. As a family-owned, award-winning local RV dealer with multiple locations in Sumner, Everett, Kent, and Mt. Vernon Washington, Poulsbo RV is here to help you find the perfect RV. Stock#: M3515, VIN: 4YDFAVR2XSE760075.
Bathroom (Standard)
Bathroom Flooring Type (Vinyl)
Bathroom Location (Center)
Bathroom Medicine Cabinet (Standard)
Bathroom Medicine Cabinet Location (Center)
Bathroom Mirror (Standard)
Bathroom Mirror Location (Center)
Bathroom Sink (Standard)
Bathroom Sink Location (Center)
Bathroom Vent / Fan System (Standard)
Bathroom Vent / Fan System Location (Center)
Bed Spreads (Standard)
Beds (Standard)
Bluetooth Audio (Yes)
Brand Name (JBL)
Door Type (Plastic / Glass)
Fireplace (Standard)
Full Size Master Bedroom Closet (Yes)
Kitchen / Living Area (Standard)
Kitchen / Living Area Flooring Type (Vinyl)
Kitchen Location (Center)
Kitchen Table Configuration (Chairs)
Layout (Oven / Stove)
Living Area Location (Rear)
Master Bedroom (Standard)
Master Bedroom Door Style (Full Sliding Door)
Master Bedroom Flooring Type (Vinyl)
Master Bedroom Location (Front)
Master Bedroom Mirror Doors (Yes)
Master Bedroom Shades / Curtains (Yes)
Material (Vinyl)
Max Sleeping Count (4)
Microwave Oven (Standard)
Number Of Bathrooms (1)
Number Of Convertible / Sofa Beds (1)
Number Of King Size Beds (1)
Number Of Oven Burners (3)
Number Of Radios (1)
Number Of Recliner / Rockers (2)
Number Of Sofas (1)
Number Of Televisions (1)
Oven / Stove (Standard)
Overhead Fan (Yes)
Power Vent Fan (Standard)
Radio (Standard)
Recliners / Rockers (Standard)
Refrigerator (Standard)
Refrigerator Power Mode (Electric)
Refrigerator Size (Full-Size)
Retractable Roof Antenna (Standard)
Satellite (Yes)
Satellite TV System (Standard)
Shower (Standard)
Shower Location (Center)
Sink / Faucet (Standard)
Sink Cover / Cutting Boards (Standard)
Sofa (Standard)
Sofa Material (Vinyl)
Speaker Location(s) (Interior / Exterior)
Speakers (Standard)
Surround Sound (Yes)
Television (Standard)
Toilet (Standard)
Toilet Location (Center)
Toilet Type (Porcelain)
Wi-Fi Capable (Yes)
Wireless / Connectivity (Standard)
Awning (Standard)
Awning Length (ft) (27)
Awning Length (m) (8.2)
Body Material (Aluminum)
Construction (Standard)
Doors (Standard)
Exterior Ladder (Standard)
Exterior Shower (Standard)
Leveling Jack Type (Front Power / Rear Power)
Leveling Jacks (Standard)
Number of Awnings (2)
Number of Doors (1)
Number of Slideouts (3)
Pass-Thru Storage (Standard)
Power Retractable Awning (Yes)
Power Retractable Slideout (Yes)
Roof Vents (Standard)
Sidewall Construction (Fiberglass)
Sky Light (Standard)
Slideouts (Standard)
Air Conditioning (BTUs) (30000)
Air Conditioning (Standard)
Air Conditioning Prewiring (Prewiring) (Yes)
Air Conditioning Type (Automatic)
Back-Up Camera (Prewiring) (Yes)
Battery (Standard)
Battery Power Converter (Yes)
Black Water Holding Tank Gauge (Standard)
Brakes (Standard)
Cable Prewiring (Prewiring) (Yes)
Exterior Flood Lights (Standard)
Exterior Plugs (Standard)
Freeze Proof Insulation (Standard)
Fresh Water Holding Tank Gauge (Standard)
Front Brake Type (Not Applicable)
Gray Water Holding Tank Gauge (Standard)
Ground Fault Plugs (Standard)
Heat Prewiring (Prewiring) (Yes)
Heater (BTUs) (35000)
Heater (Standard)
Heater Type (Automatic)
Hitch Lights (Standard)
Other Electrical (Optional)
Prewiring (Prewiring) (Standard)
Propane Tank Gauge (Standard)
Rear Brake Type (Electric Drum)
Rear Hitch (Standard)
Rear Hitch Type (Receiver)
Satellite Prewiring (Prewiring) (Yes)
Size (cm) (5.1)
Size (in) (2)
Solar (Prewiring) (Yes)
Solar Battery Charger (Standard)
TV Antenna Prewiring (Prewiring) (Yes)
Voltage Meter (Standard)
Washer / Dryer Prewiring (Prewiring) (Yes)
Air Conditioning (BTUs) (30000)
Air Conditioning (Standard)
Air Conditioning Prewiring (Prewiring) (Yes)
Air Conditioning Type (Automatic)
Back-Up Camera (Prewiring) (Yes)
Battery (Standard)
Battery Power Converter (Yes)
Black Water Holding Tank Gauge (Standard)
Brakes (Standard)
Cable Prewiring (Prewiring) (Yes)
Exterior Flood Lights (Standard)
Exterior Plugs (Standard)
Freeze Proof Insulation (Standard)
Fresh Water Holding Tank Gauge (Standard)
Front Brake Type (Not Applicable)
Gray Water Holding Tank Gauge (Standard)
Ground Fault Plugs (Standard)
Heat Prewiring (Prewiring) (Yes)
Heater (BTUs) (35000)
Heater (Standard)
Heater Type (Automatic)
Hitch Lights (Standard)
Other Electrical (Optional)
Prewiring (Prewiring) (Standard)
Propane Tank Gauge (Standard)
Rear Brake Type (Electric Drum)
Rear Hitch (Standard)
Rear Hitch Type (Receiver)
Satellite Prewiring (Prewiring) (Yes)
Size (cm) (5.1)
Size (in) (2)
Solar (Prewiring) (Yes)
Solar Battery Charger (Standard)
TV Antenna Prewiring (Prewiring) (Yes)
Voltage Meter (Standard)
Washer / Dryer Prewiring (Prewiring) (Yes)
Curtains / Shades (Standard)
Interior Decor (Standard)
Interior Wood Finish (Yes)
Paint (Standard)
Wallpaper (Yes)

2025 Keystone Alpine Avalanche Edition 321RL Floorplan

Let us help you find your RV.
It’s easy to look for RVs online, but it’s not always easy to find the right RV.
Payments Beginning at
$557 mo.
* On approval of credit. Loan term length 180 months at 7.99% APR.

2025 Keystone Alpine Avalanche Edition 321RL Video

Personal Shopper

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It’s easy to look for RVs online, but it’s not always easy to find the right RV.

Get Pre-Approved

Payments Beginning at $557 mo.
* On approval of credit. Loan term length 180 months at 7.99% APR.
This RV is made by Keystone a leading manufacturer in the RV industry, known for delivering quality and dependable recreational vehicles.
The RV is a Fifth Wheel, this is a versatile choice for camping, road trips, and extended travel.
The length of this RV is 36.42 feet. It provides ample room for travel and adventure, offering a spacious design that meets a variety of needs.
The floor plan name is 321RL, also know as the model number.
The UVW (Unloaded Vehicle Weight) of this RV is 12008 pounds. It offers a perfect balance for towing, and efficiency.
This RV is equipped with 3 slide outs. It is thoughtfully designed to maximize space, comfort, and functionality for all travelers.
This RV is located at our Mt. Vernon store.
The average payment is about $557 per month on approval of credit.

Yes you can apply for RV financing on our website. Click here to apply online.

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* Poulsbo RV is not responsible for any misprints, typos, or errors on our website. Some photos may not represent the actual unit. In some cases, manufacturer (or other pictures), standard specifications, and features may be listed. They are accurate to the best of our knowledge at the time they are posted. Confirm with us at your time of visit that all options and features are correct for the unit you choose.

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When you buy from Poulsbo RV, you get what most dealers simply can’t offer.

It’s more than just a purchase; it’s ongoing support from a team that’s ready for everything your RV needs. With convenient service centers, expert service  technicians, and a knowledgeable support staff, you’re never alone on the road when you’re part of the Poulsbo RV family.

Service Departments  

Our expansive service departments are designed with the space, tools, and experienced technicians to handle everything from basic maintenance to major repairs. Whether you own a diesel motorhome or a lightweight towable, we have the capacity and expertise to keep you on the road.

Service Techs

With a large, skilled service team in place, we can serve more RVs more efficiently—delivering quicker turnarounds, dependable repairs, and consistently high-quality results.

RV Parts

We maintain one of the largest RV parts inventories in the region, so you can get what you need, when you need it. And our knowledgeable staff is always here to help you find the right solution.

When you buy from us, service isn’t an afterthought.

From the moment you buy, we’re ready to support you for the long haul.

Four Locations

Family-owned and operated

Over 39 years of RV experience

Award-winning RV dealer

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RV Consignments
Parts and Service

Poulsbo RV Kent

23031 Military RD. South
Kent, WA 98032

Mon – Fri: 8:30am – 6:00pm
Sat: 8:30am – 6:00pm
Sun: 9:00am – 5:00pm

Mon – Fri: 8:30am – 5:00pm
Sat: Closed
Sun: Closed

Mon – Fri: 8:00am – 5:00pm
Sat: 9:00am – 2:00pm
Sun: Closed

Poulsbo RV Sumner

2006 136th Avenue East
Sumner, WA 98390

Mon – Fri: 8:30am – 6:00pm
Sat: 8:30am – 6:00pm
Sun: 9:00am – 5:00pm

Mon – Fri: 8:00am – 5:00pm
Sat: Closed
Sun: Closed

Mon – Fri: 8:00am – 5:00pm
Sat: Closed
Sun: Closed

Poulsbo RV Everett

12218 Highway 99 South
Everett WA, 98204

Mon – Fri: 8:30am – 6:00pm
Sat: 8:30am – 6:00pm
Sun: 9:00am – 5:00pm

Mon – Fri: 8:30am – 6:00pm
Sat: 8:30am – 7:00pm
Sun: Closed

Mon – Fri: 8:30am – 5:30pm
Sat: Closed
Sun: Closed

Poulsbo RV Mt. Vernon

510 Eleanor Lane
Mt. Vernon, WA 98273

Mon – Fri: 8:30am – 6:00pm
Sun: 9:00am – 5:00pm

Mon – Fri: 8:00am – 5:00pm
Sat: Closed
Sun: Closed

Mon – Fri: 8:00am – 5:00pm
Sat: 9:00am – 2:00pm
Sun: Closed

Financing terms

Payments for Poulsbo RV.com are based on 20% cash down, plus taxes, charges, and licensing, subject to credit approval and tier 1 credit rating by the lender. The payment is subject to change based on credit scores, conditions, model year, RV type, and price. The term length for RV financing varies depending on the year and sale price, with options for 240 months, 180 months, and 120 months. For travel trailers, financing term lengths are usually under 120-180 months, while some Fifth Wheels and Motor Homes can be financed for up to 180 or 240 months. Please contact us for current rates and terms on the RV you are interested in. Please note that searching online for payments on Poulsbo RV is a guideline. Additionally, the dealer may charge a documentary service fee of up to $200.