Newmar King Aire 4594

Name: Newmar King Aire 4594
Brand: Newmar

Class Abuilt 2014–14Better build tierRare on the used market

WHAT ONE COSTS

$440,600est. used (2014, 12 yr old)

Sticker was $906,644 in 2014. Out of production since 2014, so the used market is the only way to buy one. Estimate assumes a 2014 unit.

THE SPECS

Length44.9 ft

Height (incl. A/C)13.3 ft

Width8.5 ft

Interior height7.0 ft

GVWR54,000 lb

Dry weight46,900 lb

Cargo capacity7,100 lb

Sleeps4

Slide-outs3

Fresh water140 gal

Grey water80 gal

Black water60 gal

Air conditioning45,000 BTU

Fuel200 gal

Engine / chassisCummins ISX 600 hp diesel pusher · Spartan

GeneratorCummins Onan 12.5 kW diesel

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

WHERE PEOPLE SLEEP

1× Rear king bed(Permanent)72×80
1× Hide-a-bed sofa(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameSteel

RoofWalk-on

UnderbellyEnclosed

Newmar (Better tier): Newmar

YEAR BY YEAR: WHAT CHANGED

2014Introduced
2015Discontinued

FINDING ONE

Rare: a handful change hands a year, mostly between owners. Why: only one model year; 12 years out of 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

2014-only plan.

OTHER KING AIRE FLOORPLANS

4501 · 54,000 lb · sleeps 4 4503 · 54,000 lb · sleeps 4 4507 · 54,000 lb · sleeps 4 4513 · 54,000 lb · sleeps 4 4518 · 54,000 lb · sleeps 4 4519 · 54,000 lb · sleeps 4 4521 · 54,000 lb · sleeps 5 4531 · 54,000 lb · sleeps 5 4533 · 54,000 lb · sleeps 4 4534 · 54,000 lb · sleeps 4 4536 · 54,000 lb · sleeps 4 4537 · 54,000 lb · sleeps 4 4540 · 54,000 lb · sleeps 7 4546 · 54,000 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 4594 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 King Aire line ↗

Is the 4594 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.