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Photo of Rv
Photo of Rv
  • Price: $599,995
  • Year: 2021
  • Model: KING AIRE 4553
  • Property ID: 6978779
  • Partner ID: 5037956357
  • Posted On: Sep 30, 2025
  • Updated On: Oct 28, 2025

RV Description

ABSOLUTELY FLAWLESS 2021 NEWMAR KING AIRE 4553 WITH 605HP CUMMINS. 20K MILES. WILL COME WITH 4 YEARS OF EXTENDED WARRANTY. IMMACULATE INSIDE AND OUT. OLDER COUPLE WHOVE KEPT IT INSIDE CLIMATE CONTROLLED RV GARAGE. SERVICED AFTER EVERY TRIP. LOOKS LIKE ITS NEVER BEEN USED. NO PETS. NO ACCIDENTS. EVERYTHING WORKS. OVER 40K IN UPGRADED OPTIONS. ORIGINAL MSRP WAS OVER 1.4 MILLION. SPARTAN CHASSIS, CUMMINS 605HP DIESEL. AIR RIDE, ONAN 12KW DIESEL GEN. VERY MODERN LAYOUT. POWER EVERYTHING. LANE ASSIST, COMFORT DRIVE, HEATED FLOORS, IFS, 3 ROOF AC UNITS. LARGE INVERTER WITH LITHIUM BATTERIES. BATH AND A HALF FLOORPLAN. KING BED. WAY TOO MUCH TO LIST. CALL OR EMAIL IF YOU HAVE FURTHER QUESTIONS OR WOULD LIKE ANY VIDEOS OF THE UNIT. For Sale: 2021 Newmar King Aire 4553 Luxury Diesel Pusher 20,000 Miles

Experience the ultimate in luxury and performance with this 2021 Newmar King Aire 4553. With only 20,000 miles, this flagship coach is in excellent condition and loaded with high-end features for both comfort and convenience. Built on a robust Spartan K3 chassis and powered by a 605 HP Cummins X15 diesel engine, it delivers an unmatched driving experience with incredible power, stability, and precision.

Key Features:

Spacious bath-and-a-half floorplan with high-end finishes

Triple slide-outs for expansive interior living space

Full residential kitchen with top-of-the-line appliances

Luxurious master suite with a king-size bed and spa-inspired bath

Aqua-Hot heating system for endless hot water & comfort

All-electric coach with advanced energy management

Premium leather seating, tile flooring, and elegant cabinetry

Advanced technology: digital dash, touchscreen controls, premium A/V system

Washer/dryer, dishwasher, and central vacuum system included

Upgraded entertainment system with multiple HD TVs and exterior entertainment center

Chassis & Performance:

Spartan K3 tag axle chassis for ultimate stability

Cummins X15 605 HP diesel engine powerful and reliable

Allison 4000 transmission

Comfort Drive steering with passive steer tag axle

Specs:

Year: 2021

Model: King Aire 4553

Mileage: 20,000

Length: 45 ft

Fuel: Diesel

This is a top-of-the-line luxury motorhome, meticulously maintained and ready for its next adventure. Perfect for full-timers or those seeking the finest in motor coach living.


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