Newmar Super Star 4051

Name: Newmar Super Star 4051
Brand: Newmar

Class Cbuilt 2020–21Better build tierScarce on the used market

WHAT ONE COSTS

$228,900est. used (2021, 5 yr old)

Sticker was $372,969 in 2021. Out of production since 2021, so the used market is the only way to buy one. Estimate assumes a 2021 unit.

THE SPECS

Length40.9 ft

Height (incl. A/C)13.0 ft

Width8.5 ft

Interior height6.9 ft

GVWR40,000 lb

Dry weight32,500 lb

Cargo capacity7,500 lb

Sleeps5

Slide-outs2

Fresh water150 gal

Grey water60 gal

Black water40 gal

Air conditioning30,000 BTU

Fuel100 gal

Engine / chassisCummins L9 350 hp · Freightliner M2-112

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× 87 in. 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

YEARS	GVWR	DRY	MSRP
2020	40,000 lb	33,100 lb	$372,969
2021	40,000 lb	32,500 lb	$372,969

2020Introduced
2022Replaced by the 4059

FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Why: only 2 model years. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The launch-era flagship: bath and a half, king bed, 87 in. hide-a-bed with two ottomans.

OTHER SUPER STAR FLOORPLANS

3727 · 40,000 lb · sleeps 5 3729 · 40,000 lb · sleeps 6 3731 · 40,000 lb · sleeps 5 3746 · 38,000 lb · sleeps 5 4040 · 41,200 lb · sleeps 6 4058 · 40,000 lb · sleeps 5 4059 · 41,200 lb · sleeps 5 4061 · 41,200 lb · sleeps 5 4065 · 41,200 lb · sleeps 6 4140 · 41,200 lb · sleeps 6 4159 · 41,200 lb · sleeps 5 4161 · 41,200 lb · sleeps 5 the whole line →

Find one for sale

Live listings for the 4051 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 Super Star line ↗

Is the 4051 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.