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New 2026 Keystone RV Sprinter 3920DSL

Fifth Wheel

Stock #108378

Mesa, AZ

Oversized Loft – The perfect hideaway for kids, guests, or extra storage, featuring an entertainment/gaming center and easy ladder access.

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Specifications

Sleeps	7	Slides	4
Length	42 ft 9 in	Ext Height	13 ft 4 in
Hitch Weight	2490 lbs	Dry Weight	13250 lbs
Cargo Capacity	3150 lbs	Fresh Water Capacity	75 gals
Grey Water Capacity	122 gals	Black Water Capacity	78 gals
Tire Size	ST235/80R16G	Furnace BTU	35500 btu
Available Beds	King, King	Refrigerator Type	12V
Refrigerator Size	16 cu ft	Cooktop Burners	3
Shower Size	48" x 30"	Number of Awnings	2
LP Tank Capacity	30 lbs	Water Heater Type	Girard Tankless On Demand
TV Info	LR LED HDTV	Awning Info	10' and 17' Electric with Friction-Hinge Adjustment, LED Lights, and Manual Override
Axle Count	2	Washer/Dryer Available	Yes
Number of LP Tanks	2	Shower Type	Standard
VIN	4YDFSTU26T4530338

Description

NEW 2026 Keystone Sprinter 3920DSL Fifth Wheel

Get ready for all-season adventure, extended family getaways, and cross-country comfort with the 2026 Keystone Sprinter 3920DSL. This luxury fifth wheel is designed for campers who want it all—space, function, and high-end features that make the road feel like home.

Key Highlights & Adventure-Ready Features

• Dual Private King Bedrooms
Perfect for families or friends traveling together, this unit boasts two separate suites—each with a king bed, wardrobes, and washer/dryer prep. Privacy meets comfort on both ends of the coach.

• Oversized Loft
Located above the rear bedroom, this spacious loft is ideal for kids, guests, or extra storage. It's a built-in bonus room for play, sleep, or gear.

• Dual Full Bathrooms
Both suites enjoy direct access to their own full bathroom. Each includes a walk-in shower, porcelain toilet, and high-efficiency vent fan.

• Massive Living Area with Four Slide-Outs
Stretch out and relax. The open-concept lounge includes a tri-fold sleeper sofa, LED Smart TV, entertainment center, and fireplace. Plenty of room to gather, game, and unwind.

• Residential Rear Kitchen with Island
Includes solid-surface countertops, deep stainless sink, 16 cu. ft. 12V refrigerator, three-burner range, oven, microwave, pantry, and a dedicated hutch for dishes or coffee bar setups.

• Outdoor Kitchen & Entertainment Center
Set up camp your way with dual power awnings, mini fridge, LP quick connect, and an exterior TV hookup. Grill under the stars or tailgate at your favorite events.

• Unmatched Storage
From pass-through storage to deep cabinetry, a massive loft, and wardrobes galore—there's space for everyone’s gear, from camp chairs to hiking boots.

• All-Season Package
Thermal insulation, heated/enclosed underbelly, dual attic vents, and efficient ducted HVAC system keep you cozy from freezing nights to desert heat.

• Heavy-Duty Construction
Built on Keystone’s wide-body frame with MaxTurn™ technology and four-point electric auto-leveling, this rig is as road-ready as it is campground-luxurious.

• Smart RV Features
With touchscreen control panels, solar power prep, and the Girard tankless water heater, enjoy modern conveniences with rugged capability.

Why Buy from Little Dealer Little Prices?

• Trusted, family-owned RV experts since 1966
• No-pressure, friendly sales experience tailored to your adventure goals
• Full pre-delivery inspection and personalized walk-through
• Lifetime warranty coverage on qualifying models for peace of mind
• Factory-trained service technicians and parts pros to support you wherever your journey takes you
• Honest, transparent pricing and unbeatable customer care

The 2026 Sprinter 3920DSL brings the comforts of a high-end home into a spacious, smart, and adventure-ready fifth wheel. When you’re ready to upgrade your camping lifestyle—whether for a weekend escape or full-time RV life—this is your perfect match. Start your next chapter with Little Dealer Little Prices and hit the road with confidence.

INVENTORY IMAGES MAY BE SHOWN. COLORS AND SPECS MAY VARY. CALL FOR DETAILS.

Features

Standard Features (2026)

Exterior

100” Wide-Body Frame w/ Full width Outriggers
Maxturn™ Technology w/ ® Road Armor™ Pin Box
HitchVision Hook up Assist
2” Thick Double Welded Aluminum Frame Construction
AlphaPly 30 TPO Roofing w/ Lifetime Warranty
Fully Walkable Roof and Slide Out Roof
DynaSpan Marine Grade Floor Decking
Tinted Safety Glass Windows
Automotive-Grade Painted Fiberglass Front Cap w/ Painted Front Cap featuring KeyShield™ Protection
Dual Layer Insulation
Rear Ladder Prep
Tru-Fit™ Slide Construction
Detachable 50amp Power Cord
Safe View Power Inlet w/ Reverse Polarity Indicator
Heated & Enclosed Underbelly w Astro-Foil Insulation
Heated Pass Thru Storage
3 A/Cs Std. (most floor plans)
Dexter® E-Z Lube Axles w/ Never-Adjust Brakes
Black Out Aluminum Wheels
High Performance Maxxis Radial Tires w/ Balancing Beads
Rear Camera Prep and Linc® TPMS Prep
One Touch 4-Point Smart Leveling Systems w Return Hookup Memory
KeyTV™
Exterior Speakers and TV Hookup
30” Friction Hinge Entry Doors
Suburban Composite Stow Away Step With 33% Larger First Step
2” Receiver Hitch w/ 4 Way Hook Up - 3K LBS. Limit
LP Quick Disconnect for grill hook up
(2) 30LB Split LP Tanks w/ Auto Changeover
Locking Slam Latch Baggage Doors
Outside Shower w/ Hot & Cold Water
Over-Sized Roto Cast Holding Tanks w/ Best in Class Capacities
Electric Awning w/ Friction Hinge Adjustment, LED Light Strip, & Manual Override

Interior

Dimmable LED Ceiling Batten Strip Lighting
Black Out Night Shades
Floating Style Made Deck Steps w/ Shoe Storage
Designer Upholstered Window Valances
Residential Style Screwed & Glued Cabinetry
Theater Seating w/ USB Charging
Thomas Payne® Collection Luxury Furniture
12V Charging Stations Throughout
110V & USB Ports on both side of Master Bed
5.5K BTU Electric Fireplace W/ Thermostat Control
Maxxair Power Vent Fan(s) w/ Rain Sensor
22” Drawers W/ Full Extension Heavy-Duty Guides
Residential Style Seamless Marbled Countertops
Deep Single-Basin Stainless Steel Industrial Sink
High-Rise Pull Out Faucet & Sprayer
30 x 48 Shower w/ Easy Glide Shower Enclosure
PEX Plumbing Lines
70” X 80” King Bed W/ Gas Strut Storage
30K BTU Furnace
Suburban Tankless On-Demand Water Heater
50” High Def. Smart TV (65” some floor plans)
Multi-Zone Bluetooth Stereo
16 cu. ft. 12V Double Door Refrigerator
Oversized 30” Over The Range Microwave
Furrion 3-Burner Gas Range Glass Top, & Piezo Electronic Ignite
21” Stainless Steel Oven
Stackable Washer/Dryer Prep

Options

30th Anniversary Full Body Paint: Black Pearl, Pearl
Super Sofa IPO Dinette& Theater Seating (SELECT FLOOR PLANS)
Free Standing Table and Chairs IPO Booth Dinette
Solar Flex Protect
Solar Flex Discover

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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Sandra from Peoria, AZ
Little Dealer, Amazing Staff
Friendly, knowledgeable, and very courteous. We are first time buyers and after looking for over a year ALL OVER the country, we found LDLP to be the best. They also included a lifetime warranty on our rig. Very impressed, local dealer that cares and got us set up for our first camping trip.

Larry from Peoria, AZ
Great Service and Great Camper
We had a great sales rep, Jan, who helped us find just the right camper for our family. Their customer service from all departments was awesome.

Ray from Mesa, AZ

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Please contact us @ 928-350-2400 for availability as our inventory changes rapidly. Little Dealer Little Prices strives for accurate website information but is not responsible for misprints, typos, or errors on our website. Manufacturer or sample photos and specifications may be used in place of actual unit photos and specs. Monthly payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. Prices exclude taxes, PDI, documentation and delivery fees, destination charges and fees. This offer expires when this information changes or the stock number is sold.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

New 2026 Keystone RV Sprinter 3920DSL

3920DSL Floorplan

Specifications

Description

Features

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