Newmar Kountry Star 3910

Name: Newmar Kountry Star 3910
Brand: Newmar

Class Abuilt 2005–08Better build tierScarce on the used market

WHAT ONE COSTS

$92,100est. used (2008, 18 yr old)

Sticker was $231,692 in 2008. Out of production since 2008, so the used market is the only way to buy one. Estimate assumes a 2008 unit.

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	$231,692
2007	32,000 lb	25,277 lb	$231,692
2008	32,000 lb	26,554 lb	$231,692

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.

OUR TAKE

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 →

Find one for sale

Live listings for the 3910 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 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, 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.