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Newmar Ventana 4345

Class Abuilt 2027– (in production)Better build tierScarce on the used market
WHAT ONE COSTS
$575,800MSRP today

Still in production. A used 2023 would run roughly $339,700.

THE SPECS
Length43.8 ft
Height (incl. A/C)13.1 ft
Width8.5 ft
Interior height6.9 ft
GVWR45,600 lb
Dry weight36,950 lb
Sleeps5
Fresh water105 gal
Grey water75 gal
Black water55 gal
Air conditioning15,000 BTU
Fuel100 gal
Engine / chassisCummins L 400 hp diesel on Freightliner XCR tag-axle chassis
GeneratorOnan 8.0kW diesel

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

WHERE PEOPLE SLEEP
  • Rear king bed(Permanent)72×80
  • Hide-a-bed sofa(Convertible)
  • Fixed sofa / dinette sleeper(Convertible)
  • Optional bunk(Stow-away)
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Newmar (Better tier): Newmar's diesel lines are built to the same 16-in on-center, full-body-paint, one-piece fiberglass roof standard as the flagships, and the brand's service and parts support is among the best in Class A.

YEAR BY YEAR: WHAT CHANGED
  • 2027Introduced - four slides, bath and a half
FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Why: only one model year; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Newest 44-footer; four slides and the most living space in the line.

OTHER VENTANA FLOORPLANS
Find one for sale

Live listings for the 4345 on the big marketplaces. Each search opens pre-filled with this exact floorplan:

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

Is the 4345 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.

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