CamperHardlyKnowHer

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 $397,300.

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.

THE READ

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

OTHER VENTANA FLOORPLANS
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 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.