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Newmar Mountain Aire 3823

Class Abuilt 2024– (in production)Better build tierPatient search on the used market
WHAT ONE COSTS
$899,800MSRP today

Still in production. A used 2023 would run roughly $530,900.

THE SPECS
Length38.8 ft
Height (incl. A/C)13.2 ft
Width8.5 ft
Interior height6.9 ft
GVWR54,000 lb
Dry weight41,000 lb
Sleeps5
Slide-outs4
Fresh water105 gal
Grey water80 gal
Black water60 gal
Air conditioning30,000 BTU
Fuel150 gal
GeneratorCummins Onan 10 kW diesel

A missing row means the maker never published that figure: unknown, not zero.

WHERE PEOPLE SLEEP
  • king bed(Permanent)
  • convertible dinette(Convertible)
  • sofa sleeper(Convertible)
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Newmar (Better tier): Newmar Mountain Aire

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
2024–2554,000 lb42,500 lb$899,840
2026–54,000 lb41,000 lb$899,840
  • 2024Introduced when Mountain Aire added a 38-foot length for the first time
  • 2027MSRP $899,840; UVW 41,000 lb with 13,000 lb cargo capacity
FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: still in production; priced at the top of its maker’s range. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The short Mountain Aire - 38 feet, four slides and 13,000 lb of cargo capacity, the most of any plan in the line.

OTHER MOUNTAIN AIRE FLOORPLANS
Find one for sale

Live listings for the 3823 on the big marketplaces. Each search opens pre-filled with this exact floorplan:

Inventory varies by site and day. Slim pickings? search the whole Mountain Aire line ↗

Is the 3823 your #1, or just a spec sheet?

These are the facts. Whether it beats the other six thousand rigs for you depends on what you care about. Set your priorities as sliders, switch on your hard limits, and watch the whole market re-rank around them. Every exclusion explained, every margin shown.

See where it ranks for you →

Data compiled from manufacturer spec sheets, retrieved 2026-07.