{"@context":"https://schema.org","@type":"Product","name":"2 New Newmar Mountain Aire RVs for sale in Indiana","offers":{"@type":"AggregateOffer","offerCount":2,"lowPrice":"945427.00","highPrice":"945427.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-newmar-mountain-aire-4118/ed0dbdff-d732-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 NEWMAR MOUNTAIN AIRE 4118","description":"2026 Newmar Mountain Aire 4118, *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-69aeb684-2eec-832c-bf53-22ccb7282d9c-5\" data-testid=\"conversation-turn-32\" data-scroll-anchor=\"true\" data-turn=\"assistant\"> Newmar Mountain Aire 4118 Class A Diesel Motorhome for Sale at Campers Inn RV of Louisville

The Newmar Mountain Aire 4118 Class A diesel motorhome redefines luxury travel with unmatched craftsmanship, powerful performance, and a true residential feel. Designed for those who expect the best on the road, this premium coach combines elegant interior design with advanced engineering to deliver a first class experience on every journey. Whether you are traveling coast to coast or settling in for extended stays, the Mountain Aire 4118 offers comfort, style, and confidence every mile of the way.

From its spacious bath and a half layout to its refined living areas, this motorhome is built to elevate every adventure.

Key Features

Spacious Living and Entertainment AreaRelax in comfort with two sofas, including an 84 inch hide a bed and a 62 inch jackknife sofa. The hide a leaf dinette provides a versatile space for dining or working, while the Samsung LED TV on a power lift ensures great viewing from anywhere in the living area.

Chef Inspired KitchenPrepare meals with ease using the stainless steel 30 inch convection microwave with air fryer feature and the large Whirlpool 19.7 cubic foot refrigerator. A pantry and cabinet pull out provide convenient storage, and the nearby half bath adds extra functionality when entertaining guests.

Private Master SuiteThe luxurious master bedroom features a king bed slide, dual shirt wardrobes, a dresser, and a Samsung LED TV. This space is designed for relaxation and comfort after a day of travel.

Full Rear BathroomEnjoy a residential style bathroom with a 40 x 32 shower with seat, linen cabinet, wardrobe storage, and a Splendide two piece washer and dryer for added convenience.

Bath and a Half LayoutThe additional half bath near the kitchen makes it easy for guests to access a restroom without entering the master suite.

Exterior ShowerAn exterior shower provides a convenient way to rinse off gear, pets, or outdoor equipment before stepping inside.

Powerful Performance and Construction

Built on the Spartan K3 tag axle chassis, the Mountain Aire 4118 delivers 525 horsepower and 1,695 lb ft of torque for smooth, confident driving. This advanced platform provides excellent stability and control, even on long distance journeys.

The exterior features Newmar s industry exclusive full paint Masterpiece Finish, offering a striking appearance and long lasting durability. A fiberglass roof with an integrated gutter rail helps manage water runoff, while gel coated fiberglass sidewalls and caps provide s","itemCondition":"Used","priceCurrency":"USD","price":"945427.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2027-newmar-mountain-aire-4118/603db43c-324a-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2027 NEWMAR MOUNTAIN AIRE 4118","description":"2027 Newmar Mountain Aire 4118, 2026 model year specifications and information shown. Please ask for exact details on this RV. *]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-69aeb684-2eec-832c-bf53-22ccb7282d9c-3\" data-testid=\"conversation-turn-28\" data-scroll-anchor=\"true\" data-turn=\"assistant\"> Newmar Mountain Aire 4118 Class A Diesel Motorhome for Sale at Campers Inn RV of Louisville

Experience the pinnacle of luxury travel with the Newmar Mountain Aire 4118 Class A diesel motorhome. Designed for travelers who want the very best in comfort, performance, and residential style living, this premium coach delivers an exceptional RV lifestyle. With expansive living space, elegant finishes, and powerful diesel performance, the Mountain Aire 4118 makes every journey feel like a first class getaway.

From the spacious master suite to the beautifully designed living area, this motorhome offers the perfect combination of luxury, convenience, and high end craftsmanship.

Key Features

Bath and a Half LayoutThe convenient bath and a half design provides a private full rear bathroom for the owners and a separate half bath near the kitchen for guests.

Private Master Suite with King BedThe rear master bedroom includes a king bed slide, a dresser with Samsung LED TV, and large shirt wardrobes for clothing and personal storage.

Luxury Rear BathroomThe full rear bathroom features a spacious 40 x 32 shower with a seat, a linen closet, wardrobe storage, and a Splendide two piece washer and dryer for residential convenience on the road.

Spacious Living Area with Dual SofasRelax in the main living area on the comfortable 84 inch hide a bed sofa or the 62 inch jackknife sofa while enjoying entertainment on the Samsung LED TV mounted on a power lift.

Residential Kitchen with Premium AppliancesThe well equipped kitchen includes a Whirlpool 19.7 cubic foot refrigerator, a stainless steel 30 inch convection microwave with air fryer feature, and convenient pull out cabinet storage for cooking essentials.

Hide a Leaf DinetteThe hide a leaf dinette provides a comfortable place to enjoy meals, work remotely, or gather for conversation.

Exterior ShowerThe exterior shower makes it easy to rinse off gear, pets, or muddy shoes before entering the motorhome.

Built on the Powerful Spartan K3 Chassis

The Mountain Aire is built on a Spartan K3 tag axle chassis powered by a 525 horsepower engine delivering 1,695 lb ft of torque for smooth and confident driving. This advanced chassis design offers excellent stability, performance, and comfort for long distance travel.

Hydraulic leveling jacks make campsite setup quick and easy, while the fiberglass roof with integrated gutter rail helps protect your motorhome from water runoff.