2020 Newmar New Aire 3543 450HP Flagship Compact Luxury (Turn-Key & Fully Maintained)
Asking Price: $249,900
Location: Fort Myers / Naples Area, FL
Current Mileage: 46,600 mi
Chassis / Engine: Freightliner Custom Chassis | Cummins L9 450HP / 1,250 lb-ft Torque | Allison 6-Speed Transmission
Reason For Selling: We want to travel internationally
The Ultimate Compact Luxury Diesel Pusher
Experience the absolute pinnacle of compact motorcoach travel in this 2020 Newmar New Aire 3543. Designed for LUXURY buyers who want high-end motorcoach appointments in a nimble, national-park-friendly 35-foot footprint.
Equipped with the top-tier 450 HP Cummins Turbo Diesel the largest engine ever offered in this class this coach glides effortlessly over high mountain passes (having easily proven its strength pulling grades across the Rocky Mountains) while maintaining smooth, confident cruising.

$10,000+ IN CRITICAL UPGRADES (COMPLETED WITHIN LAST 7K MILES)

BRAND-NEW TIRES (ALL 6 REPLACED) > Full set of 6 brand-new commercial-grade motorcoach tires installed within the last 7,000 miles. Zero dry rot, full tread life, balanced, and ready for cross-country travel. (~$5,000 Value)

100% BRAND-NEW BATTERY BANKS (HOUSE & CHASSIS) > Complete worry-free 12V system overhaul performed by North Trail RV: > 6 NEW Maintenance-Free Deep Cycle House Batteries > 2 NEW Heavy-Duty Chassis Engine Batteries > True off-grid reliability with zero battery maintenance hassle. (~$5,000 Value)

️ PREMIER DEALER SERVICE
Maintained with an open checkbook at factory-authorized North Trail RV Center:

POWERTRAIN & CHASIS: Complete preventive maintenance on Cummins engine, transmission, and fluid/filter systems.
ONAN 8.0 kW QUIET DIESEL GENERATOR: Fully serviced under load.
OASIS HYDRONIC SYSTEM: Annual preventive maintenance performed on the continuous hot water and dual-zone hydronic heating.

SUSPENSION: Both rear air bags replaced brand new by North Trail RV for an ultra-smooth factory ride.

PATIO AWNING: Brand-new Girard integrated power awning installed by North Trail RV.

️ FULL PUSH-BUTTON AUTOMATION & LUXURY LIVING

EFFORTLESS AUTOMATION: Full multiplex electronic control with motorized day/night roller shades throughout, power awning controls with auto-retract wind sensors, and motorized sliding storage trays in the exterior basement bays.

MASTER SUITE SANCTUARY: Features an upgraded Sleep Number adjustable king mattress, cedar-lined wardrobe, safe, and dedicated climate zone.

ALL ELECTRIC Architecture: Dual-burner induction cooktop, residential French-door refrigerator/freezer, and convection microwave.
TRIPLE ENTERTAINMENT: 3 4K Smart TVs (Living room televator lift, Master bedroom, and dedicated Exterior patio entertainment center).

Newmar Comfort Drive Steering: Adaptive steering system with active crosswind correction for true fatigue-free driving.
IN-FLOOR HEATING: For those cool mornings

ON-DEMAND HOT WATER: For endless hot showers

PROVENCE, INSPECTION & FULL TRANSPARENCY

3rd-Party PRE-PURCHASE INSPECTION (599 pages! from 2/2026) REPORT AVAILABLE: A complete independent inspection was conducted prior to our seasonal travels available for serious buyers to review.
COMPLETE SERVICE RECORDS: Detailed receipts and maintenance history from NORTH TRAIL RV on file.

OPTIONAL TOW PACKAGE
A complete Blue Ox flat-towing package is available separately for buyers looking for a complete turn-key flat-tow setup.

Contact for Private in-person walk-throughs or live detailed video tours are available by appointment.