Newmar Kountry Star 3910

Name: Newmar Kountry Star 3910
Brand: Newmar

Class Abuilt 2005–08Better 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

Length39.2 ft

Height (incl. A/C)12.4 ft

Width8.5 ft

Interior height7.0 ft

GVWR32,000 lb

Dry weight26,554 lb

Cargo capacity5,446 lb

Sleeps4

Fresh water105 gal

Grey water65 gal

Black water45 gal

Fuel100 gal

Engine / chassisCummins ISC 360 or 400 hp diesel pusher · Spartan Mountain Master

A missing row means the maker never published that figure — unknown, not zero.

WHERE PEOPLE SLEEP

1× Rear bed(Permanent)—
1× 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
2005	32,000 lb	25,469 lb	—
2007	32,000 lb	25,277 lb	—
2008	32,000 lb	26,554 lb	—

2005Introduced at 38'10" on Freightliner, 330 hp
2006Length 39'2", 350 hp
2007Height to 12'5", interior height to 84 in.
2008Spartan Mountain Master chassis, 360/400 hp

FINDING ONE

Scarce — months of watching; be ready to fly and drive it home. Why: 18 years out of production. Estimated from build volume and production span — not a count of live listings.

THE READ

The one plan that ran the whole 2005-2008 span; it saw both the Freightliner and Spartan chassis eras.

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 →

Is the 3910 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 dealer and aggregator listings, retrieved 2026-07.