2023 Newmar Mountain Aire 4118Stock #: D2482

Retail MSRP: $829,619 Make an Offer!
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Vehicle Summary
Chassis Spartan K3 Tag Axle 
Generator Onan 12.5 KW Diesel 
Engine Cummins X12 500HP Diesel 
Category Class A - Diesel 
Mileage New 
Slide Out Full Wall/3 
Fuel Diesel 
Condition New 
Interior Color Linley 
Exterior Color Haven 

2023 Newmar Mountain Aire 4118 Full Wall/3 Slide-Out Class A Diesel Pusher Motorhome.

YOUR PRIVATE MOUNTAIN CHALET. Take the next step up into luxurious travel with the Mountain Aire, designed for discerning motorhome owners. This coach comes stacked with standard luxurious features in six distinct floor plans.

Elevate your next adventure behind the wheel of the Mountain Aire. Available exclusively on a Spartan K3 Tag Axle chassis, it comes packing a Cummins diesel engine with 500 horsepower and 1695 lb./ft. of torque, providing you the right amount of power to keep you going on even the longest trips.

The 2023 Mountain Aire is available in six floor plans, including three new for 2023, that vary between 41’-45’ in length. Floor plan 4591 offers a bath and a half with an angled galley. Floor plan 4586 offers a large walk-through bath area mid-coach, perfect for additional passengers or guests, while floor plan 4521 includes a patio-side Euro booth dinette.

Mountain Aire offers four options for our full-paint Masterpiece Finish™, an industry-exclusive exterior graphics treatment that is carefully applied in-house. You also have your choice between four interior décor palettes and four wood cabinetry stains.

From outdoor explorations to evenings spent in, the Mountain Aire offers everything you need for a relaxing trip, start to finish. Each luxurious feature and addition are designed with comfort top of mind, making the Mountain Aire feel like home from the moment you step inside.

The 2023 Mountain Aire has a collection of new additions and features for exceptional comfort. This year, Apple Car Play comes standard on the 10” dual-monitor Xite Dash radio, allowing you to control certain functions throughout the coach. The 2023 Mountain Aire is supported by our STAR Foundation, which improves strength and durability while providing a quieter and more stable ride than any other Class A coach. A Spartan® K3 Tag Axle Chassis, 500-horsepower Cummins® diesel engine and Comfort Drive™ adaptive steering with Passive Steer technology come standard.

What’s more, each Mountain Aire is fitted with a cargo liner, 5/8” floor decking, 5/8” bead foam, and galvanized sheeting to prevent distortion. Lengths, heights, widths, and dry weights are approximate. Weight will vary based on optional equipment added to the base weights listed below. Specifications are supplied by each chassis manufacturer. 

This coach is brand new with an MSRP of over $829K, but Our Price is slashed down too low to advertise! Contact us for our LOWEST Price! Item #D2482 DeMartini RV Sales

VIN: 094266

MSRP Sheet

2023 Newmar Mountain Aire 4118 MSRP Sheet 2023 Newmar Mountain Aire 4118 MSRP Sheet


2023 Newmar Mountain Aire 4118 Floor Plan 2023 Newmar Mountain Aire 4118 Floor Plan

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  • Finance terms up to 20 years
  • Affordable payments that fit your budget

Talk to one of our Finance Managers today, financing an RV may actually be a better option than paying cash with today's low rates. Your loan interest can possibly be tax deductible as a second-home mortgage interest. We would be happy to take a look at your situation and explain your finance options. Give us a call at 1.800.576.1921 or fill out our secure online credit application to get started today!

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*Price does not include sales tax or registration. Non-California residents are not subject to California sales tax or registration.

**DeMartini RV Sales is not responsible for any typos or errors on our webpages. We believe manufacturer supplied specifications on this site to be accurate at the time of posting. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some vehicles may be pictured with equipment that is only available as an option at an extra cost or unavailable on some models. You should confirm equipment and availability by speaking with a salesperson.