Newmar King Aire Motor Home Class A - Diesel RVs For Sale
The King Aire Class A diesel motorhomes are the most opulent coaches by Newmar and provide unique amenities only offered on the King Aire. So enjoy the royal treatment, the first class amenities, and the refined spaces all while experiencing an unrivaled driving experience.
Each is built on a Spartan K3, tag axle for a shorter turn radius, with aluminum-frame sidewalls and roof construction, gelcoated fiberglass exterior sidewalls, front and rear caps, and a fiberglass roof and integrated gutter rail. Other standout features include the Air Leveling Control system, the Comfort Drive steering with power column and adjustable control, Mobil Eye displayed on the digital dash, OnGuard collision migration technology and the list continues with features you will want on your coach to provide security and safety. Inside you will find refined spaces and a designer feature ceiling, tile floor in the kitchen, bathroom, bedroom and living area, a super polished solid Quartz countertop in the kitchen with a farmhouse sink, a central vacuum with tool kit, a Fisher Paykel dishwasher and many more luxury appointments throughout!
There is no better way to travel and stay..... than in a Newmar King Aire Class A diesel coach!
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King Aire 4531
Newmar King Aire Class A diesel motorhome 4531 highlights: Bath and a Half ... more about King Aire 4531
Specifications
Sleeps 5 Slides 3 Length 44 ft 11 in Ext Width 8 ft 6 in Ext Height 13 ft 4 in Int Height 7 ft 2 in Interior Color Naples, Andaz, Messa, Velluto Exterior Color Traditional: Baroque, Colonial, Nouveau, Tuder; Contemporary: Crimson, Saxe, Slate, Verde Hitch Weight 20000 lbs GVWR 54000 lbs Dry Weight 48800 lbs Cargo Capacity 5200 lbs Fresh Water Capacity 105 gals Grey Water Capacity 80 gals Black Water Capacity 60 gals Furnace BTU 85000 btu Generator 12.5 kW Cummins Onan Diesel Fuel Type Diesel Engine Cummins X15 Chassis Spartan K3 Tag Axle Horsepower 605 hp Fuel Capacity 200 gals Wheelbase 292 in Available Beds King Torque 1950 ft-lb Refrigerator Type Viking Stainless Steel w/French Door and Internal Ice Maker Refrigerator Size 22 cu ft Convection Cooking Yes Cooktop Burners 2 Shower Size 50" x 34" Number of Awnings 2 Axle Weight Front 20000 lbs Axle Weight Rear 20000 lbs Axle Weight Tag 14000 lbs AC BTU 45000 btu TV Info LR 55" 8K QLED on Power Lift, Cab 43" 4K QLED, BR 50" 4K LED, Ext. 43" 4K QLED Awning Info Girard Nova Side w/Window Sensor, Remote Control & LED Lights Washer/Dryer Available Yes Gross Combined Weight 74000 lbs Shower Type Shower w/Seat Electrical Service 50 amp Similar Floorplans
King Aire Features:
Standard Features
Exterior
- Full-Paint Masterpiece Finish™ with Cut & Buff and Beta Fusion Protection on Front Cap
- Convex Exterior Chrome Mirrors with Remote Control, Defrost, Turn Signals and Side View Cameras
- Entrance Door with Automatic Step
- Rear Hitch for Towing Car
- Assist Handle at Entrance Door
- Dual Latched Front Entrance Door with Power Flush Stepwell Cover
- Mud Flaps
- Rear Protective Tow Guard with Stainless Steel Newmar Name Cutout
- Undercoating
- Hydraulic Leveling Jacks
- Stainless Steel Exterior Trim Pieces and Entrance Door Kick Panel
- Hammock Backer
- Holding Tank Levels Displayed in Exterior Water Works Compartment
- Powered Door Lift for Engine Access
- Two Power Pass Through Storage Trays with Access from Either Side with Two Storage Shelves per Tray
- Ajar Warning for Generator Slide, Baggage Doors, Entry Door, Engine Door and Escape Door
- Push Button Baggage Door Release, Keyless Entrance Door with Touch Pad & Door Bell
- Self-Latching Soft Close Baggage Doors
- Power Washer with 50’ Hose Reel Connected to Hot Water Line
- Blind Spot Detection
Optional
- Patio Hammock Package Specify 1 or 2
- Stainless Steel Trim Kit for Exterior Compartment Doors
- Flag Pole Bracket
Construction
- Fiberglass Roof and Integrated Gutter Rail
- Gelcoated Fiberglass Exterior Sidewalls, Front and Rear Caps
- Aluminum-Frame Sidewalls & Roof Construction, 16" on Center
- 5/8" Foam Insulation Laminated in Sidewalls & Ceiling
- Polar Pak R19 Batten Insulation on Roof
- Automatic Mechanical Lock Arms on Non Hydraulic Slideout Rooms-Paddle Style
- Egress Door with Ladder System
Chassis
- Air Leveling Control System
- Alcoa Dura-Brite Aluminum Wheels
- Automatic High Beam Headlights
- Automatic Headlights On/Off
- Electronic Chassis Information Center in Dash
- Electronic Stability Control
- Cummins Connected Diagnostic System
- Cruise Control
- Comfort Drive™ Steering with Power Column & Adjustable Control
- Recessed Fuel Fills with Crossover to Fill from Either Side
- Back-Up Alarm
- Anti-Lock Braking System
- Chassis Battery Disconnect
- Push Button Engine Start
- Glass Dash Instrument Panel
- Heated Steering Wheel
- On Guard Collision Mitigation Adaptive Cruise System with Adj. Following Distance Control on Spartan Chassis
- Tire Pressure Displayed on Glass Dash
- Memory Settings for Driver Seat Pedals, Steering Column & Mirrors
- Memory Settings for Cockpit Seat
- Auxiliary Air Brake Kit for Towed Vehicles
- Mobile Eye Displayed on Digital Dash via Xite Radio Interface on Spartan Chassis
- Mobile Eye Speed Limit Sign Recognition & Dash Display
- Power Tilt & Telescope VIP Smart Steering Wheel
- Spartan® K3, Tag Axle, 605Hp
Optional
- Curt Spectrum Integrated Brake Control on Spartan Chassis Only
Mechanical and Electrical
Windows, Awnings, and Vents
- Frameless Double-Pane Tinted Safety-Glass Windows
- Fantastic® Vent with Rain Sensor with Hardwood Louvered Cover in Kitchen, Bathroom & Enclosed Stool Room
- Girard Entrance Door Awning with LED Lights, Slideout Covers& Power Window Awnings
- Girard Package-Two Nova Side Awnings with Wind Sensor, Remote Control & LED Lights
- One Piece Tinted Windshield
- Driver Side Power Window
Optional
- Kitchen Window
Air Conditioning and Heating
- Three 15M Penguin™ Heat Pump Central Air Conditioners with Remote Control Thermostat
- Chinook Dual Loop Heat with Continuous Hot Water
- Dash Heater and Air Conditioner
- Driver & Passenger Dash Overhead Ventilation System
- Roof Air Conditioning Drainage System
- Electric Radiant Heat Installed Below Main Floor Tile
Electrical
- 12.5 Kw Cummins Onan® Diesel Generator with Auto Changeover on Hydraulic Slide Out Tray
- 10 Watt Solar Panel to Charge Chassis Battery
- Two Lithium Ion Power Packs with Two Inverters In Heated Bay
- 50 Amp Electrical Service with Flexible Cord with Automatic Transfer Switch
- Battery Disconnect Switch for House Battery
- Two 3000 Watt True Sine Inverters
- Emergency Engine Start Switch
- Engine Block Heater
- Exterior Security Lights
- Midship Side Turn Signals
- LED Lights Recessed in Ceiling and Underneath Overhead Cabinets
- LED Lighting in Pull Out Pantry, Kitchen and Bathroom Base Cabinets
- Accent Lights in Feature Ceiling, Lambrequins, Kitchen, Bed Base, Fascia Trim & Under Dash
- Reading Lights at Head of Bed-Dimmable with Adjustable Aim
- Backlight Vanity Mirror in Floor Plans with Trough Sinks
- Manually Operated Hold-To-Run Slideout Switch
- Automatic Generator Start on Low Battery or Temperature Setting
- Cable TV Connection
- Interior Courtesy Lights
- USB Outlet at for Driver Use
- 110 Volt/USB Outlet at Head of Each Bunk Area*
- KIB Touch Screen Interior Light and Shade Controls
- Power Rewind Wheel with 50’ Cord*
- Secondary Multiple Touch Screen in Bedroom
- Silverleaf® Multiplex Electrical Wiring System
- Solar Prep with Six Gauge Wire from Roof to House Battery Compartment
- Spare Fuses in Chassis and House Fuse Panels
- LED Lights in Exterior Storage Compartments on Automatic Switches
- LED Lights Installed Below Under Door Side Slideouts
- Exterior LED Accent Lights Below Perimeter Of Unit
- Exterior LED Accent Lights Above Rear Tow Guard
- LED Docking Lights with Stainless Steel Trim
- Wireless Charging Mat Built into Passenger Console
- High Power USB Charger at Dinette & Bedroom Night Stand
- Wireless Charging Mat into Dash and Nightstands Countertops
- Pop Up Electrical Recepts Integrated into Kitchen Countertop Ledge
- Vimar 110 Volt Electrical Recepts
Optional
- Four Flexible 100 Watt Solar Panels on Roof
- 30 Amp/120 Volt Cord Connection for Stacker Trailer
- LED Strip Lighting Installed Under Off Door Side Slideouts
- Roof Mounted Spot Light
Plumbing & Bath
- Demand Water System
- Sewage & Grey Holding-Tank Rinse
- Dometic® Concerto Electric Flush or Macerator China Bowl Stool*
- Full Tiled Shower Walls and Floor
- Fold Down Shower Seat
- Assist Handle in Each Shower
- Exterior Convenience Station
- Auto Fill for Fresh Water Tank
- Bladder Tank for Water Pump System
- Power Water Hose Reel
- Power Dump Valves for Holding Tanks
- Aqua Miser Shower System
- Manibloc Plumbing System
- UV/Carbon Filter Drinking Water Purifier with Dedicated Kitchen Faucet
- RV Sanicon Turbo System
Interior
- Designer Feature Ceiling and Cathedral Ceiling with Added Height on Rear Bath Floor Plans*
- Tile Floor in Kitchen, Bathroom, Bedroom and Living Area
- Auto Motion Power Shades and Lambrequins
- Auto Motion Power Shades for Windshield and Driver/Passenger Side Windows
- Flush Handles on Swinging Bath Doors
- Maximized Shoe Storage Shelves Recessed into Rear of Wardrobe
- Interior Assist Handle at Main Entry Door
- Down Alternative Fitted Bedspread with Accent Pillows
- Leather Window Blind System in Bedroom
- Safe Located in Bedroom Wardrobe
- Waste Basket in Kitchen Base Under Sink
Cabinets and Furniture
- Tuscan Maple Hardwood Cabinets with Slab Doors with Suede Finish
- Concealed Hinges on Cabinet Doors
- Super Polished Solid Quartz Countertop in Kitchen with Farmhouse Sink
- Super Polished Quartz Countertop in Bathroom and Bedroom
- Super Polished Quartz Countertop with Trough Sinks in Master Bathroom
- Lifts on Bed Top
- Passenger Seat Work Station
- Pullout Pantry Shelves with Travel Lock System*
- Drawers with Dove Tail Sides with Self Closing Full Extension Ball Bearing Guides
- Soft Close Cabinet Door Hinges with Dual Magnetic Latches
- European Style Cabinetry
- Power Comfort Lounge Sofa*
- Visionary V2 Trifold Sleeper Sofa with Memory Foam Mattress*
- Leather Sofa and Driver/Passenger Seats with Integrated Seatbelts
- Driver Seat with Vibrator for Haptic Feedback
- Heated & Cooled Front Seats with Power-Lumbar, Recline, Footrest & Queen Sized Passenger Seat
- Massage Feature Added to Driver/Passenger Seats
- Cedar Paneling in Bedroom Wardrobe
- Extended Rotation Concealed Hinge for Washer/Dryer Cabinet Door
- Sleep Number R5 Radius Corner Air Mattress
- Mesh Cell Phone Holder at Each Bunk Bed*
- Full Height Wardrobes Beside Lav*
- Molded Silverware Divider Tray
Optional
- Diamond Gloss Finish on Cabinetry Wood
- Mink Rift Oak Hardwood Cabinets with Slab Doors-Diamond Gloss or Suede Finish
- Modesto Rift Oak Hardwood Cabinets with Slab Doors- Diamond Gloss or Suede Finish
- Stratus Rift Oak Hardwood Cabinets with Slab Doors- Diamond Gloss or Suede Finish
- Tuscan Maple Hardwood Cabinets with Slab Doors-Diamond Gloss Finish
- 42” Euro Booth Dinette with Two Folding Chairs
- 44” Extenda Powered Booth Dinette
- 75” U-Dinette with Powered Adjustable Table
- Buffet Dinette
- U-Dinette with Power Adjusted Table
- U-Dinette/Hide-A-Bed Combo 162”
- Euro Booth Dinette with Two Table Leaves and Two Folding Chairs
- Combination Desk/Dinette with Buffet Table, Two Fixed/Two Folding Chairs
- Two Recliners with Lampstand and Reading Lights
- Overhead Cabinet Above Dinette
- Overhead Cabinet in Dinette/Living Room Slideout
- Overhead Cabinet at Head of Bed
- Theater Seating 84” Powered
- One Ottoman*
- Fireplace in Bedroom
Appliances
- Stainless Steel Viking Convection Microwave
- Air Horns
- Viking Stainless Steel 22 Cf Refrigerator with 36” French Door & Internal Ice Maker
- Bosch Two-Piece Stacked Washer and 220 Volt Dryer
- Dometic 2.47 Cf Freezer on Pullout Tray in Exterior Compartment
- Central Vacuum with Tool Kit
- All Electric Coach with Wolf Induction Cooktop
- Fisher Paykel Dishwasher with Wood Panel Front
Entertainment
Audio and Video
- Samsung 55” 8K QLED TV in Living Area*
- Samsung 50” 4K QLED TV in Bedroom
- Samsung 43” 4K QLED TV in Front Overhead
- Exterior 43” Samsung 4K QLED TV in Sidewall & S.S. Storage Rack in Storage Compartment*
- Bose® 500 Subwoofer
- Bose® 700 Sound Touch Sound Bar in Livingroom
- Bose® Bedroom Speaker
- Dash Radio with Touch Screen Navigation, Dual Monitors, Harman Infinity Audio Cockpit Sound System
- Doorbell/Camera System at Entrance Door Connected to Remote App
- Internet Connectivity for Remote Access to Motorhome
- Remote Internet Camera Access to Support Live Video Streaming
- Mobile Eye Lane Tracking
- Samsung Tablet with Control of AV Equipment, Lights, Shades, Keyless Entry & Silverleaf App
- Winegard Rayzar Automatic Digital TV Antenna
- Satellite Dish Prep on Roof
- Sirius Satellite Radio Capability with Antenna (Does not include monthly subscription)
- Cat 6 TV Cables
- Infra Red Repeater System to Operate Audio/Visual Components
- WiFi Ranger Tenton/Poplar LTE
- Xite HD 360 Camera System with Predictive Grid Lines and Tri-View Rear
- Camera
- Xite Dash Radio, 10” Duel Monitor with Nav-N-Go Navigation System
- Remote Navigation Programming Via SD Card
- 10 Bc Fire Extinguisher, Smoke Detector, Propane and Carbon Monoxide Detector
- Two-19” Skyworth TV/DVD Monitors-One at Each Bunk*
Optional
- Security System
- Universal Toll Module
- Rear Camera (2) Prep for Use with Stacker Trailer
- Wifi Ranger Denali/Spruce Lte
- Winegard Automatic Open Face Satellite Dish-For Dish HD & Bell HD TV
- Winegard Automatic Open Face SWM Satellite Dish-for Direct TV Std/HD & In-Motion Direct TV Std, Dish Std/HD
- Winegard Automatic Open Face Satellite Dish & Winegard In-Motion for Dish Network
- Winegard Automatic Open Face Satellite Dish for Direct TV
- Winegard In-Motion Dome Satellite Dish-for Dish Std/HD, Direct TV Std. & Bell Canada
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.
Manu-Facts:

Newmar is a company built around the Christian faith, specifically the beginning of the Mennonite faith in 1525 under the guidance of Ulrich Zwingli, and the founding of the Amish fellowship under Jacob Amman in 1693.
At Newmar, we believe that a motor coach is more than just a vehicle, it’s a passport to countless hours of fun and a lifelong memories taken from quality time spent with family and friends.
For over 50 years, we’ve applied our principles to the creation of motor coaches that have allowed people all over the world to live the RV lifestyle. And we’ll continue to so for countless generations to come. It’s why we take pride in every rivet, weld, and mechanical function.