Newmar Kountry Star 4054

Name: Newmar Kountry Star 4054
Brand: Newmar

Class Abuilt 2020–20Better build tierScarce on the used market

WHAT ONE COSTS

$173,900est. used (2020, 6 yr old)

Sticker was $282,816 in 2020. Out of production since 2020, so the used market is the only way to buy one. Estimate assumes a 2020 unit.

THE SPECS

Length40.8 ft

Height (incl. A/C)12.8 ft

Width8.5 ft

Interior height6.9 ft

GVWR37,500 lb

Dry weight29,900 lb

Cargo capacity7,600 lb

Sleeps6

Fresh water105 gal

Grey water65 gal

Black water45 gal

Air conditioning30,000 BTU

Fuel100 gal

Engine / chassisCummins B 6.7L 360 hp diesel pusher · Freightliner XCR

GeneratorCummins Onan 8.0 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)—
1× Sleeper dinette(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameSteel

RoofWalk-on

UnderbellyEnclosed

Newmar (Better tier): Newmar

YEAR BY YEAR: WHAT CHANGED

2020Introduced
2021Discontinued

FINDING ONE

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

OUR TAKE

One-year-only 40 ft plan offered in the relaunch year.

OTHER KOUNTRY STAR FLOORPLANS

3354 · 28,000 lb · sleeps 4 3355 · 29,500 lb · sleeps 6 3412 · 33,400 lb · sleeps 6 3418 · 33,400 lb · sleeps 6 3426 · 33,400 lb · sleeps 4 3509 · 32,000 lb · sleeps 4 3510 · 32,000 lb · sleeps 6 3623 · 32,000 lb · sleeps 4 3624 · 32,000 lb · sleeps 6 3709 · 37,500 lb · sleeps 6 3717 · 37,500 lb · sleeps 6 3720 · 29,500 lb · sleeps 4 3721 · 29,500 lb · sleeps 6 3907 · 32,000 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 4054 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 Kountry Star line ↗

Is the 4054 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 dealer and aggregator listings, retrieved 2026-07.