Rear bath, bath and a half
Photos are grouped by room.
Exterior
Living area
Dining area
Kitchen
Bathroom
Bedroom
Cockpit
Storage
Mechanical
Other photos
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2020 Newmar Mountain Aire 4551
Used
Listing price
2020 Mountain Aire 4551
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
Length
44 ft 10 in
Sleeps
8
Fresh water
105 gal
This 2020 Newmar Mountain Aire 4551 is one of those coaches that genuinely turns heads in a campground — and at nearly half its original $644,649 MSRP, it's an extraordinary entry point into full-time luxury RVing. Newmar's reputation for premium craftsmanship shows throughout, from the solid construction to the upscale finishes that owners consistently describe as feeling more like a high-end home than a vehicle.
The rear bath layout gives the living space up front a generous, open feel, and the bath-and-a-half configuration is a real-world convenience that makes a noticeable difference when two people are getting ready at the same time.
Multiple owners have called this their best coach ever, praising how confidently it drives and how well it holds up for extended or full-time use. Located at RV Select in Seffner, FL, this one is ready to walk through in person.
