CamperHardlyKnowHer

Newmar Essex 4518

Class Abuilt 2016–16Better build tierScarce on the used market
WHAT ONE COSTS
price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

THE SPECS
Length44.9 ft
Height (incl. A/C)13.3 ft
Width8.5 ft
Interior height7.0 ft
GVWR54,000 lb
Dry weight46,400 lb
Cargo capacity7,600 lb
Sleeps4
Slide-outs3
Fresh water105 gal
Grey water80 gal
Black water60 gal
Air conditioning45,000 BTU
Fuel150 gal
Engine / chassisCummins ISX15 600 hp diesel pusher · Spartan K3
GeneratorCummins Onan 12.5 kW 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)
HOW IT'S BUILT — 4/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyEnclosed

Newmar (Better tier): Newmar

YEAR BY YEAR — WHAT CHANGED
  • 2016Introduced
  • 2017Discontinued
FINDING ONE

Scarce — months of watching; be ready to fly and drive it home. Why: only one model year; 10 years out of production. Estimated from build volume and production span — not a count of live listings.

THE READ

One-year-only 2016 plan.

OTHER ESSEX FLOORPLANS
Is the 4518 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.