Contact Information
RV Details
- Price: $624,995
- Year: 2021
- Model: KING AIRE 4553
- Listing ID: 6978779
- Partner ID: 5037956357
- Posted On: Sep 30, 2025
- Updated On: Sep 30, 2025
Description
ABSOLUTELY FLAWLESS 2021 NEWMAR KING AIRE 4553 WITH 605HP CUMMINS. 20K MILES. 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.