Newmar Super Star 3746

Name: Newmar Super Star 3746
Brand: Newmar

Class Cbuilt 2020–21Better build tierPatient search 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

Length37.9 ft

Height (incl. A/C)13.2 ft

Width8.5 ft

Interior height6.9 ft

GVWR38,000 lb

Dry weight32,100 lb

Cargo capacity5,900 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 bed(Permanent)—
1× Hide-a-bed sofa(Convertible)—
1× Dinette(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	37,000 lb	29,800 lb	—
2021	38,000 lb	32,100 lb	—

2020Introduced with a 37,000 lb GVWR
2021GVWR raised to 38,000 lb
2022Replaced by the 3727

FINDING ONE

Patient search — weeks of watching, and probably some travel. Why: only 2 model years. Estimated from build volume and production span — not a count of live listings.

THE READ

The original short Super Star; the lightest coach the line ever built.

OTHER SUPER STAR FLOORPLANS

3727 · 40,000 lb · sleeps 5 3729 · 40,000 lb · sleeps 6 3731 · 40,000 lb · sleeps 5 4040 · 41,200 lb · sleeps 6 4051 · 40,000 lb · sleeps 5 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 →

Is the 3746 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.