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Newmar Mountain Aire 4535

Class Abuilt 2017–23Better build tierPatient search on the used market
WHAT ONE COSTS
$506,700est. used (2023, 3 yr old)

Sticker was $817,937 in 2023. Out of production since 2023, so the used market is the only way to buy one. Estimate assumes a 2023 unit.

THE SPECS
Length44.8 ft
Height (incl. A/C)13.2 ft
Width8.5 ft
Interior height6.9 ft
GVWR54,000 lb
Dry weight44,400 lb
Sleeps5
Fresh water105 gal
Grey water80 gal
Black water60 gal
Fuel150 gal
GeneratorCummins Onan 12.5 kW diesel

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

WHERE PEOPLE SLEEP
  • 1× king bed(Permanent)—
  • 1× convertible dinette(Convertible)—
  • 1× 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
2017–1954,000 lb44,700 lb$817,937
2020–2254,000 lb45,500 lb$817,937
202354,000 lb44,400 lb$817,937
  • 2017Introduced with the Cummins ISX 500 hp
  • 2020Grey capacity 65 to 80 gal, black 45 to 60 gal
  • 2024Dropped
FINDING ONE

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

OUR TAKE

Seven model years in the lineup - one of the longest-running Mountain Aire floorplans of the modern era.

OTHER MOUNTAIN AIRE FLOORPLANS
3823 · 54,000 lb · sleeps 53825 · 54,000 lb · sleeps 44002 · 54,000 lb · sleeps 54018 · 54,000 lb · sleeps 54118 · 54,000 lb · sleeps 54360 · 44,600 lb · sleeps 54361 · 44,600 lb · sleeps 54364 · 44,600 lb · sleeps 54369 · 44,600 lb · sleeps 54372 · 44,600 lb · sleeps 54501 · 53,000 lb · sleeps 54503 · 53,000 lb · sleeps 54513 · 54,000 lb · sleeps 54519 · 54,000 lb · sleeps 5the whole line →
Find one for sale

Live listings for the 4535 on the big marketplaces. Each search opens pre-filled with this exact floorplan:

RV Trader ↗Camping World ↗FB Marketplace ↗Google ↗

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

Is the 4535 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.