New 2025 Newmar New Aire 3543 Motor Home Class A - Diesel
A Camping We Will Go. Start your Away at Campers Inn RV Today!

Newmar New Aire Class A diesel motorhome 3543 highlights:
- Full-Wall Slide
- Mid-Coach Bath
- Euro Booth Dinette
- Dry Bar
- 87" Visionary Sofa
- King Bed w/Headboard
* Custom ordered Essex floors and countertops
New 2025 Newmar New Aire 3543 – Compact Luxury and Diesel Power for Your Next Adventure
The New 2025 Newmar New Aire 3543 is a luxury diesel motorhome designed for those who want big features in a more compact, easy-to-maneuver package. At just 35 feet in length, this Class A diesel coach is built on a Freightliner XCS chassis and powered by a 450 HP Cummins L9 diesel engine, delivering impressive power, smooth handling, and exceptional fuel efficiency. Whether you’re navigating scenic highways, visiting national parks, or enjoying resort-style camping, the New Aire 3543 offers five-star comfort, state-of-the-art technology, and Newmar’s legendary craftsmanship in every detail.
Top Features of the 2025 Newmar New Aire 3543
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Freightliner XCS Chassis with 450 HP Cummins L9 Diesel Engine for effortless acceleration, superior towing capacity, and long-distance fuel efficiency.
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Comfort Driveâ„¢ Steering System with passive steer technology, ensuring effortless maneuverability and reduced driver fatigue.
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Triple Slide-Out Floorplan providing a spacious, open-concept living area with modern design touches.
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Luxurious Master Suite featuring a king-size Sleep Number® bed, LED TV, full wardrobe, and a private rear bath with dual vanities.
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Gourmet Kitchen with solid-surface countertops, residential refrigerator, induction cooktop, convection microwave, and a pull-out pantry, making meal prep easy and enjoyable.
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Elegant Living Area with theater seating, a plush sofa, a convertible dinette, and a large LED TV, creating the perfect place to unwind after a day on the road.
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Full Bath with Dual Vanities and a large tile shower, offering a spa-like experience wherever you travel.
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Hydronic Heating & Advanced Climate Control ensuring consistent temperatures, energy-efficient heating, and on-demand hot water.
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Premium Entertainment System with multiple Samsung LED TVs, Bose soundbar, Blu-ray player, and satellite prep, delivering top-tier entertainment.
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Outdoor Living Features including a power awning, exterior LED TV, and pass-through storage compartments, allowing you to enjoy the outdoors in comfort.
Why Buy the 2025 Newmar New Aire 3543?
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Luxury in a Maneuverable Size – The New Aire 3543 is perfect for those who want high-end amenities in a smaller, easy-to-drive diesel coach, making it ideal for national parks, resorts, and urban exploration.
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Powerful Diesel Performance – The 450 HP Cummins engine provides exceptional power, fuel economy, and towing capability, making it ideal for extended road trips.
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Perfect for Full-Time RVing or Extended Travel – With its residential appliances, spacious layout, and ample storage, this motorhome is designed for long-term comfort.
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Newmar’s Legendary Craftsmanship – Built with superior materials, precision engineering, and attention to detail, Newmar motorhomes stand out as some of the best-built RVs in the industry.
Why Buy from Campers Inn RV?
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The Trusted Resource for RVers Since 1966 – With over 50 years of experience, Campers Inn RV is dedicated to helping travelers find the perfect motorhome for their lifestyle.
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Nationwide Locations & Service Support – Our extensive dealership network and expert service centers provide ongoing support wherever your travels take you.
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Competitive Pricing & Flexible Financing Options – We offer affordable financing plans and trade-in opportunities, making luxury motorhome ownership more accessible.
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Customer-Focused Experience – Our expert team is dedicated to providing personalized service, expert guidance, and a seamless buying process.
The New 2025 Newmar New Aire 3543 is the perfect combination of luxury, power, and cutting-edge technology, making it an exceptional choice for travelers who want comfort without compromise. Call, Click, or Visit Campers Inn RV today to explore this incredible motorhome and start your next adventure in style!
They did a great job fixing my motor problem on my Bayliner, the boat tech was very knowledgeable and nice. - Dan
Stock# 102911
Chassis: Freightliner
Exterior Color: SILVER BIRCH
Interior Color: BRIARCLIFF
Sleeps | 5 |
Slides | 3 |
Length | 35 ft 10 in |
Ext Width | 8 ft 6 in |
Ext Height | 12 ft 3 in |
Int Height | 6 ft 9 in |
Interior Color | BRIARCLIFF |
Exterior Color | SILVER BIRCH |
Hitch Weight | 10000 lbs |
GVWR | 38600 lbs |
Dry Weight | 33950 lbs |
Cargo Capacity | 4650 lbs |
Fresh Water Capacity | 105 gals |
Grey Water Capacity | 60 gals |
Black Water Capacity | 40 gals |
Tire Size | 305/75R 22.5 |
Furnace BTU | 50000 btu |
Fuel Type | Diesel |
Engine | 8.9L Cummins |
Chassis | Freightliner |
Horsepower | 450 hp |
Fuel Capacity | 90 gals |
Wheelbase | 226 in |
Available Beds | King |
Torque | 1250 ft-lb |
Refrigerator Type | Stainless Steel Three Door Residential w/Ice Maker |
Convection Cooking | Yes |
Cooktop Burners | 2 |
Shower Size | 40" x 32" |
Number of Awnings | 1 |
Axle Weight Front | 14600 lbs |
Axle Weight Rear | 24000 lbs |
Water Heater Type | Continuous |
AC BTU | 30000 btu |
TV Info | LR Samsung 50" TV, BR Samsung 43" TV |
Awning Info | Girard® G2000 Power with Wind Sensor, Remote Control & LED Lights |
Washer/Dryer Available | Yes |
Gross Combined Weight | 48600 lbs |
Shower Type | Shower w/Seat |
Electrical Service | 50 amp |
VIN | 4UZACEFE9TCWM1187 |
New Aire 3543 Reviews
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