New 2026 Newmar Mountain Aire 4118 Motor Home Class A - Diesel

Bath & Half, King Bed, Rear Full Bath, Washer/Dryer, Hide-A-Leaf Dinette, Seat in Shower - Campers Inn RV of Louisville 812-282-7718
Sold
2026 4118 Features and Options

Newmar Mountain Aire 4118 Class A Diesel Motorhome For Sale Contact 

 

Travel in first class comfort with the Newmar Mountain Aire 4118. This luxury diesel motorhome offers premium residential features, high end finishes, and a smooth ride built on a powerful Spartan K3 chassis.

Key Features

  • Bath and a half for added convenience

  • Private bedroom with king bed and built in storage

  • Rear full bath with large shower and washer dryer

  • 84 inch hide a bed sofa and 62 inch jackknife sofa for guests

  • Whirlpool 19.7 cubic foot refrigerator and convection microwave with air fryer

  • Hide a leaf dinette for dining or work space

  • Samsung LED TVs in bedroom and living area

  • Exterior shower for easy outdoor cleanup

Spacious and Functional Interior
Enjoy a rear bath with a 40 x 32 inch shower with seat, dual wardrobes, and a Splendide two piece washer and dryer. The front living area includes two comfortable sofas, perfect for movie nights or hosting guests.

Built for Power and Comfort
Built on a Spartan K3 tag axle chassis with 525 horsepower and 1695 pound feet of torque for confident highway driving. Includes hydraulic leveling jacks, fiberglass roof, aluminum frame construction, and full body Masterpiece Paint finish.

Luxury Throughout
This coach includes high end touches like gel coated fiberglass exterior, integrated gutter system, premium cabinetry, and advanced tech features throughout the interior.

 

 

Call Campers Inn RV of Louisville at 812-282-7718 to Learn More About the Newmar Mountain Aire 4118 Motorhome

 

What Our Customers Are Saying

Great Experience

What a great experience. Absolutely streamlined process of my trade in. I was in and out in just around an hour or so. The staff was super helpful. Cory gave me a walkthrough of my new unit, very knowledgeable staff. I highly recommend this group! - Alex
 
Campers Inn
Location: Louisville KY
Stock# 105079
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 2864939#
(enter this ID if prompted)
2026 4118 Specifications
Sleeps 5
Slides 3
Length 41 ft 10 in
Ext Width 8 ft 6 in
Ext Height 13 ft 2 in
Int Height 6 ft 11 in
Interior Color CAMDEN
Exterior Color PRUSSIAN BLUE; PEARL BLACK MET; SIDEWALL WHITE; NEWMAR SLATE MAT; BLACK TONER
Hitch Weight 15000 lbs
GVWR 54000 lbs
Dry Weight 42500 lbs
Cargo Capacity 11500 lbs
Fresh Water Capacity 105 gals
Grey Water Capacity 80 gals
Black Water Capacity 60 gals
Furnace BTU 50000 btu
Fuel Type Diesel
Engine Cummins 11.9L
Chassis Spartan K3 Tag Axle
Horsepower 525 hp
Fuel Capacity 150 gals
Wheelbase 282 in
Available Beds King
Torque 1695 ft-lb
Refrigerator Type Whirlpool
Refrigerator Size 19.7 cu ft
Convection Cooking Yes
Cooktop Burners 2
Shower Size 40" x 32"
Number of Awnings 2
Axle Weight Front 20000 lbs
Axle Weight Rear 20000 lbs
Axle Weight Tag 14000 lbs
Water Heater Type Demand
AC BTU 45000 btu
TV Info LR Samsung LED TV, BR Samsung LED TV, Overhead 43" Samsung 4K LED TV
Awning Info Nova Power
Washer/Dryer Available Yes
Gross Combined Weight 69000 lbs
Shower Type Shower w/Seat
Electrical Service 50 amp
VIN 4VZVU1E18TC096012
For more information Contact Us

Mountain Aire 4118 Reviews

Be the first to tell other RVers what you think about this RV  Write a Review
Similar RVs and Floorplans

Loading

.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.