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Specs for 2026 Newmar - Mountain Aire

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Class A RVs

Mountain Aire
3823 Specs
View 2026 Newmar Mountain Aire 3823 complete specs and manufacturer brochures

Length:
38' 10"

MSRP:
$861,212

Slides: 4

Sleeps: 5

    • Mountain Aire
    3825 Specs
    View 2026 Newmar Mountain Aire 3825 complete specs and manufacturer brochures

    Length:
    38' 10"

    MSRP:
    $874,236

    Slides: 3

    Sleeps: 6

    • Mountain Aire
    4118 Specs
    View 2026 Newmar Mountain Aire 4118 complete specs and manufacturer brochures

    Length:
    41' 10"

    MSRP:
    $877,196

    Slides: 3

    Sleeps: 8

    • Mountain Aire
    4551 Specs
    View 2026 Newmar Mountain Aire 4551 complete specs and manufacturer brochures

    Length:
    44' 10"

    MSRP:
    $897,916

    Slides: 3

    Sleeps: 8

    • 2026 Mountain Aire Class A Diesel Motorhome: Luxury, Power & Versatility

    Discover the ultimate luxury RV experience with the 2026 Mountain Aire Class A Diesel Motorcoach. Engineered for adventure and designed for comfort, this premier RV combines unmatched power, innovative technology, and high-end amenities, enabling you to explore the most remote destinations with confidence and style.
    • Powerful 525 HP Cummins X12 Diesel Engine: Dominates the road with class-leading horsepower and torque, capable of handling longer distances and challenging terrains effortlessly.
    • Flexible Floor Plans & Length Options: Ranging from 38′ to 45′, with multiple configurations to suit your travel needs and lifestyle preferences.
    • Luxurious Interior Finishes & Decor: Choose from elegant décor options like Camden, Halstead, Sorrento, and Winston, complemented by high-gloss maple cabinets, porcelain tile flooring, and plush features for a home-like ambiance.
    • Advanced Safety & Driving Technologies: Industry-first Comfort Drive™ adaptive steering, Mobileye® lane tracking, OnGuard collision mitigation, blind spot detection (optional), and a digital glare-free dash for maximum safety and control.
    • Innovative Exterior & Storage Solutions: Industry-exclusive full-paint Masterpiece Finish™, LED exterior lighting, multiple power and non-power storage trays, lighted compartments, and optional exterior entertainment centers enhance functionality and style.
    • State-of-the-Art Comfort & Entertainment: Features like leather heated seats, 20″ infotainment touchscreen, premium Bose® soundbars, multiple large 4K LED TVs, solar panels, and Starlink internet system for seamless connectivity and entertainment on the go.
    Experience luxury without limitations with the Mountain Aire’s cutting-edge features, from the Spartan® K3 Tag Axle chassis and sophisticated climate controls to the complete suite of available options including lithium-ion batteries, solar power, and advanced safety packages. Every element is crafted with purpose, tested over 1,000 times to meet the highest standards, ensuring a durable, dependable, and luxurious RV experience. If you're seeking an RV that offers remarkable power, premium comfort, and innovative technology, the 2026 Mountain Aire is your perfect travel partner. Contact your dealer today to explore the available models and customize your dream RV—embark on your next adventure with confidence and style!

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