Newmar New Aire 3545

Name: Newmar New Aire 3545
Brand: Newmar

Class Abuilt 2019– (in production)Better build tierPatient search on the used market

WHAT ONE COSTS

$691,400MSRP today

Still in production — a used 2023 would run roughly $477,000.

THE SPECS

Length35.8 ft

Height (incl. A/C)12.3 ft

Width8.5 ft

Interior height6.8 ft

GVWR38,600 lb

Dry weight33,400 lb

Cargo capacity5,200 lb

Sleeps4

Slide-outs3

Fresh water105 gal

Grey water60 gal

Black water40 gal

Air conditioning30,000 BTU

Fuel90 gal

Engine / chassisCummins L9 8.9L 450 hp / 1,250 lb-ft diesel, Allison 3000MH, 226" wheelbase

GeneratorCummins Onan 8.0 kW diesel quiet series

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 New Aire

YEAR BY YEAR — WHAT CHANGED

YEARS	GVWR	DRY	MSRP
2019–20	38,600 lb	33,500 lb	$691,360
2021–22	38,600 lb	34,000 lb	$691,360
2023–	38,600 lb	33,400 lb	$691,360

2019Introduced
2023Dropped from the lineup
2026Returned to the lineup
2027MSRP $691,360 - the least expensive New Aire

FINDING ONE

Patient search — weeks of watching, and probably some travel. Why: 8-year production run; 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.

THE READ

The value entry to the New Aire - cheapest of the three current plans and the lightest.

OTHER NEW AIRE FLOORPLANS

3341 · 38,600 lb · sleeps 4 3343 · 38,600 lb · sleeps 4 3345 · 38,600 lb · sleeps 4 3539 · 38,600 lb · sleeps 4 3541 · 38,600 lb · sleeps 4 3543 · 38,600 lb · sleeps 4 3547 · 38,600 lb · sleeps 4 3549 · 38,600 lb · sleeps 4 the whole line →

Is the 3545 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 and watch the whole market re-rank around them. Nothing gets hidden, everything gets explained.

Rank it against your setup →

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