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New 2026 Newmar Mountain Aire 3825

Motor Home Class A - Diesel

Stock #17180

Grand Rapids, MI

1 of 6

Sleeps 4
3 Slides
Bath and a Half

Rear Bath

39ft Long
41,000 lbs
Camden, Halstead, Sorrento, Winston

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Specifications

Sleeps	4	Slides	3
Length	38 ft 10 in	Ext Width	8 ft 6 in
Ext Height	13 ft 2 in	Int Height	6 ft 11 in
Interior Color	Camden, Halstead, Sorrento, Winston	Exterior Color	Imperial, Nespresso, Thundercloud, Twilight
Hitch Weight	15000 lbs	GVWR	54000 lbs
Dry Weight	41000 lbs	Cargo Capacity	13000 lbs
Fresh Water Capacity	105 gals	Grey Water Capacity	80 gals
Black Water Capacity	60 gals	Furnace BTU	50000 btu
Generator	10 Kw Cummins Onan Diesel	Fuel Type	Diesel
Engine	Cummins 11.9L	Chassis	Spartan K3 Tag Axle
Horsepower	525 hp	Fuel Capacity	150 gals
Wheelbase	246 in	Available Beds	King
Torque	1695 ft-lb	Refrigerator Type	Whirlpool
Refrigerator Size	19.7 cu ft	Convection Cooking	Yes
Cooktop Burners	2	Shower Size	42" x 35"
Number of Awnings	2	Axle Weight Front	20000 lbs
Axle Weight Rear	20000 lbs	Axle Weight Tag	14000 lbs
Water Heater Type	Demand	AC BTU	30000 btu
TV Info	LR Samsung LED TV, BR Samsung LED TV, Overhead 43" Samsung 4K LED TV	Awning Info	Nova Power
Washer/Dryer Available	Yes	Gross Combined Weight	69000 lbs
Shower Type	Angled	Electrical Service	50 amp
VIN	4VZVU1E14TC096041

Description

Newmar Mountain Aire Class A diesel motorhome 3825 highlights:

Bath and a Half
Euro Booth Dinette
King Bed
Whirlpool Refrigerator
Triple Slides

This motorhome has everything you need for a comfortable road trip! The master suite has a king bed slide for a good night's rest across from a dresser with a Samsung LED TV and shirt wardrobes on either side. Attached to the bedroom is your very own full rear bathroom which has a 42" x 35" angled shower next to a wardrobe with drawers and a Splendide washer and dryer next to the vanity sink. The chef will have everything they need to prepare delicious home cooked meals including a stainless steel 30" convection microwave with air fryer feature and a Whirlpool 19.7 cu. ft. refrigerator to keep the perishables fresh, plus the half bathroom is by the kitchen for quick bathroom breaks while cooking. Enjoy your meals at the Euro booth dinette (non-sleeper) and relax on the 74" hide-a-bed sofa while watching your favorite movies on the Samsung LED TV on power lift!

Explore the world in peak luxury with any one of these Newmar Mountain Aire Class A diesel motorhomes! They are exclusively built on a Spartan K3 tag axle chassis with a 525 HP and 1,695 lb./ft. of torque to make them easy to drive. Their industry-exclusive full paint Masterpiece Finish comes in four different color options each of which will turn heads down the highway. Hydraulic leveling jacks make set up quick and easy, and the fiberglass roof with integrated gutter rail will help to keep water away from your unit. The aluminum-frame sidewalls and roof construction are covered by the gel-coated fiberglass exterior sidewalls, front, and rear caps. You will also find finer amenities, features, and options all throughout the interiors. Come find the best one for you today!

Features

Standard Features (2026)

Exterior

Exterior Full-Paint Masterpiece Finish™ with Cut and Buff
Power Chrome Baggage Door Locks, Keyless Entrance Door With Touchpad and Door Bell
Entrance Door Assist Handle
Entrance Door Automatic Step
Convex Chrome Exterior Mirrors With Defrost, Remote Control, Turn Signal Indicators and Side View Cameras
Front Cap Beta Fusion Protection
Hydraulic Leveling Jacks
Mud Flaps
Newmar Badge Lighted In Front Grill
Rear Hitch For Towing Car
Stainless Steel Exterior Trim Pieces And Entrance Door Kick Panel
Tow Guard Rear Protective With Stainless Newmar Name Cutout
Undercoating

Optional

Blackthorn Full Painted Exterior Graphics
Dillon Full Painted Exterior Graphics
Emmons Full Painted Exterior Graphics
Fairweather Full Painted Exterior Graphics
Special Order Exterior Colors - Must Also Order Awning Color Option
Black Aluminum Powder Coat Trim Kit For Exterior Compartment Doors, Onyx Package
Flag Pole Bracket
Stainless Steel Trim Kit For Exterior Compartment Doors
24X56 Non-Power Storage Tray, Location - Bay 2 (Floor Plans 3823 & 3825)
24X56 Non-Power Storage Tray, Location - Bay 3 (Floor Plans 3823 & 3825)
24X58 Power Storage Tray, Location - Bay 2 (Floor Plans 3823 & 3825)
24X58 Power Storage Tray, Location - Bay 3 (Floor Plans 3823 & 3825)
26X90 Power Storage Tray, Location - Bay 2 (Floor Plan 4551)
26X91 Non-Power Storage Tray, Location - Bay 2 (Floor Plan 4551)
40X90 Power Storage Tray, Location - Bay 2 (Floor Plan 4118)
40X90 Power Storage Tray, Location - Bay 3 (Floor Plan 4551)
42X91 Non-Power Storage Tray, Location - Bay 2 (Floor Plan 4118)
42X91 Non-Power Storage Tray, Location - Bay 3 (Floor Plan 4551)
43X56 Non-Power Storage Tray, Location - Bay 3 (Floor Plan 4118)
43X56 Non-Power Storage Tray, Location - Bay 4 (Floor Plan 4551)
Windshield Temporary Protection (For Transport Only)

Construction

16" On-Center Aluminum Frame Sidewalls and Roof Construction
Egress Door With Ladder System
Fiberglass Roof And Integrated Gutter Rail
Foam Insulation 5/8" Laminated In Sidewalls & Ceiling
Gelcoated Fiberglass Exterior Sidewalls, Front & Rear Caps
Polar Pak R19 Batten Insulation In Roof
Slideout Automatic Lock Arms On Non Hydraulic - Paddle Style

Chassis

Air Leveling Control System
Anti-Lock Braking System
Auto Rain Sense Wipers
Back-Up Alarm
Battery Disconnect For Chassis Battery
Cockpit Seat Belts Latch Sensors
Cockpit Seat Occupancy Sensors
Comfort Drive™ Adaptive Steering with Power Column and Adjustable Control
Cruise Control
Electronic Chassis Information Center In Dash
Electronic Stability Control
Engine Start Push Button
Glass Dash Instrument Panel
Automatic On/Off Headlights
Mobileye® Lane Tracking and Departure System
OnGuard™ Collision Mitigation Adaptive Cruise System with Adjustable Following DistanceControl
Recessed Fuel Fills, With Cross Over To Fill From Either Side
Seat Belt Warning Indicator In Dash Display
Spartan® K3, Tag Axle, Tag Axle, 525 HP
Nine Function Steering Wheel with Switch Pod In Center On Spartan® Chassis
Tire Pressures Monitoring On Chassis
Valid Digital Glare Free Dash On Spartan® Chassis
Valor Generation 3 TPMS System on Spartan® Chassis
Aluminum Wheels

Optional

Blind Spot Detection
Curt Spectrum Integrated Brake Control On Spartan® Chassis Only
Spartan® K3, Tag Axle, Tag Axle, 525 HP, Onyx Package

Windows, Awnings, and Vents

Fantastic Vent With Hardwood Louver Cover In Kitchen
Fantastic Vent With Rain Sensor In Kitchen, Bathroom & Enclosed Stool Room
Girard® Dual Nova Side Awnings, Slideout Covers, Entrance Door & Power Window Awnings
Kitchen Window
Skylight Above Shower (Not Available On Rear Bath Floor Plans)
Power Window On Driver Side
Frameless Double-Pane Tinted Safety Glass Windows
Large Non-Ventilated Living Room And Dinette Windows
One-Piece Tinted Windshield

Air Conditioning and Heating

Two 15M Heat Pump Air Conditioner With Remote Control Thermostat On 38' Floor Plans

Electrical

Accent Lights In Feature Ceiling, Lambrequins, Slideout Fascia Trim
Automatic Generator Start On Low Battery Or Temperature Setting
Battery Disconnect Switch For House Battery
Cable TV Connection
Dash Radio, Cameras And Monitors To Power Up From Both House Batteries & Ignition
Recessed Docking Lights
50 Amp Electrical Service with Flexible Cord and Automatic Transfer Switch
Emergency Engine Start Switch
Energy Management System
Engine Block Heater
Exterior Security Lights, One Installed On Each Side
Generator Start/Stop Function On Touchscreen In Water Bay Compartment
Eight 6-Volt AGM House Batteries
Interior Courtesy Lights
3000-Watt Pure Sine Inverter
LED Lights In Exterior Storage Compartments On Automatic Switches
LED Lights In Pull Out Pantry, Kitchen And Bathroom Base Cabinets
LED Lights Installed Under Door Side Slideouts
LED Lights Recessed In Ceiling & Underneath Overhead Cabinets
LED Lights Installed Under Off Door Side Slideouts
Lights In Wardrobes
Midship Side Turn Signals
Multiplex Electircal Wiring System
Multiplex Lighting Control System
10.1" Multiplex Monitor System In Center Of Coach W/Interior Lighting & HVAC Controls
Newmar App
10 kW Cummins Onan® Diesel Generator On 38' Floor Plans
12.5 kW Cummins Onan® Diesel Generator On 41' & 45' Floor Plans
Power Rewind Reel With 50' Cord
Reading Lights At Head Of Bed - Dimmable With Adjustable Aim
110V Recept In Bed Overhead With Two Pass Through Ports
12 Volt Recept Auxiliary On Dashboard
Slideout Switch Manually Operated Hold To Run
10-Watt Solar Panel to Charge Chassis Battery
Solar Prep with 6 Gauge Wire Ran from Roof to House Battery Compartment (N/A with L020 Option)
Spare Fuses In Chassis Fuse Panel
Spare Fuses In House Fuse Panel
Transfer Switch With Surge Protector
USB Outlet At Dash For Driver Use
USB Outlet At Dinette & Bedroom Night Stand
Wireless Charging Mat Built Into Passenger Console
Wireless Phone Charger Pad In Driver Area

Optional

640 AHR Lithium Ion Battery System with Two 3000W Pure Sine Inverters
960 AHR Lithium Ion Battery System with Two 3000W Pure Sine Inverters
Four Flexible 120-Watt Solar Panels on Roof

Plumbing & Bath

Aqua Miser® Shower System
Auto Fill For Fresh Water Tank
Bladder Tank For Water Pump System
Demand Water System
Exterior Shower Located On Off Door Side
Grey Holding Tank Rinse
Hot Water Line To Generator Area
Power Reel For Water Hose
Sewage Holding Tank Rinse
Shower Seat Fold Down
Shower Soap Dispenser
Shower Tiled Walls And Floors With Glass Door
Dometic® 321 China Bowl or Macerator China Bowl Stool (Varies Per Floor Plan)
Water Filter For Entire Unit

Optional

Assist Handle in Shower
RV Sanicon Turbo System

Interior

Cabinets and Furniture

Sable Maple Hardwood Cabinets - Suede Finish
Bed Base Power Incline Retract With R5 Air Mattress On 3825 Floor Plan
Concealed Cabinet Door Hinges
Concealed Cabinet Door Hinges Extended Rotation For Washer and Dryer
Soft-Close Cabinet Doors (Side Hinge Doors Only)
Cabinet Drawers With Dove Tail Sides With Self Closing Full Extension Ball Bearing Guides
Flush Cooktop Cover, Matching Countertop Material
Super Polished Solid-Surface Countertop In Bathroom And Bedroom
Super Polished Solid-Surface Countertop In Kitchen, Undermounted Stainless Steel Sink & Sink Covers
Dinette Euro Booth With 2 Table Leaves And 2 Folding Chairs
Heated Driver & Passenger Seats Heated with Power Lumbar, Recline, Footrest & Standard Width Passenger Seat
Driver & Passenger Seats with Power Headrest
Driver Seat With Vibrator For Haptic Feedback
Leather Sofa And Front Seats With Integrated Seat Belts
Lifts On Bed Top
Plush Pillow Top Mattress
Molded Silverware Divider Tray
Push-to-Release Pantry Drawer Slides
Pull-Out Pantry Shelves (See Floor Plans For Availability)
Pantry With Space For Serving Trays/Bakeware
Side Hide-A-Bed Sofa with Memory Foam Mattress On Most Floor Plans
Full-Height Wardrobe Beside Lav* (Floor Plan Specific)
Optional

Chestnut Maple Hardwood Cabinets - High Gloss Finish
Chestnut Maple Hardwood Cabinets - Suede Finish
Morel Maple Hardwood Cabinets - High Gloss Finish
Morel Maple Hardwood Cabinets - Suede Finish
Sable Maple Hardwood Cabinets - High Gloss Finish
Sedona Maple Hardwood Cabinets - High Gloss Finish
Sedona Maple Hardwood Cabinets - Suede Finish
Summit Maple Hardwood Cabinets - High Gloss Finish
Summit Maple Hardwood Cabinets - Suede Finish
Two-Tone Summit/Chestnut Maple Hardwood Cabinets - High Gloss Finish
Two-Tone Summit/Chestnut Maple Hardwood Cabinets - Suede Finish
Two-Tone Summit/Morel Maple Hardwood Cabinets - High Gloss Finish
Two-Tone Summit/Morel Maple Hardwood Cabinets - Suede Finish
Two-Tone Summit/Sable Maple Hardwood Cabinets - High Gloss Finish
Two-Tone Summit/Sable Maple Hardwood Cabinets - Suede Finish
Two-Tone Summit/Sedona Maple Hardwood Cabinets - High Gloss Finish
Two-Tone Summit/Sedona Maple Hardwood Cabinets - Suede Finish
Combo Desk Dinette with Buffet Table, Two Fixed & Two Folding Chairs
Convertible Dinette with Two Fixed & Two Folding Chairs That Face To Window Or Fore/Aft Seating
Power Extenda Flex Dinette
Air R5 Radius Corner Mattress
Two Ottomans (Not Available With Theater Seating)
Queen-Size Passenger Seat
Two Recliners with Reading Lights And Lampstand
Two Recliners with Reading Lights And Lampstand, 68" Trifold Sofa
Two Recliners with Reading Lights And Lampstand, 74" Trifold Sofa
74" Theater Seating (Powered)
84" Theater Seating (Powered), 62" Trifold Sofa
87" Theater Seating (Powered), 68" Trifold Sofa
87" Theater Seating (Powered), 74" Trifold Sofa

Appliances

30” Stainless Steel Convection Microwave with Air Fryer Feature
All Electric Cooktop Flush Mount Induction
Air Horns
19.7 Cu. Ft. Whirlpool® Refrigerator
Splendide Two-Piece Stacked Washer/Dryer
3.0 Cf Dometic Freezer on Pullout Tray in Exterior Baggage Compartment*
Storage Shelf Above Freezer
Central Vacuum with Tool Kit

Optional

Dual-Zone Beverage Center
Dishwasher In A Drawer With Stainless Steel Front Located Below Cooktop

Interior

Auto Motion Power Shade At Windshield & Power Shades At Driver & Passenger Side Windows
Auto Motion Power Window Shades & Lambrequins
Fitted Non-Quilted Bedspread & Accent Pillows
Designer Feature Ceiling With Cathedral Ceiling And Added Height (Rear Bath Floor Plans)
Interior Passage Hardwood Raised Panel Doors
Handle Flush On Swinging Bath Doors
Interior Assist Handle At Main Entry Door
Safe Located In Wardrobe
Maximized Shoe Storage Shelves Recessed In Rear Of Wardrobe* (Floor Plan Specific)
Tile Floor In Kitchen, Bathroom, Bedroom & Living Areas
Waste Basket In Kitchen Base Under Sink

Optional

Winston Interior Decor
Camden Interior Decor
Sorrento Interior Decor
Halstead Interior Decor

Audio, Video & Accessories

Optional

Two Camera Rear Prep For Use With Stacker Trailer
Extra Monitor On Passenger Side
SiriusXM® Radio Capability with Antenna (Does Not Include Monthly Subscription)
Starlink Internet System
Universal Toll Module
WiFi Everest System with Aspen Interior Router
Winegard® Automatic Open Face SWM Satellite Dish-DIRECTV® with HD & In Motion DIRECTV® Standard with Auto Stow & Dash Indicator
Winegard® Automatic Open Face Satellite Dish & Winegard® In Motion - for DISH® with Auto Stow & Dash Indicator
Winegard® Automatic Open Face Satellite Dish-For DISH® HD & Bell HD TV SK2-100 W/Auto Stow & Dash Indicator
Winegard® Automatic Open Face Swm Satellite Dish-For DIRECTV® Standard/HD SK2-300 with Auto Stow & Dash Indicator
Winegard® In Motion Dome Satellite Dish - For DISH® Standard/HD, DIRECTV® Standard & Bell Canada (RtI-20B)

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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Midway RV Center is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @616-384-9117 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.

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New 2026 Newmar Mountain Aire 3825

3825 Floorplan

Specifications

Description

Features