Forest River Sunseeker 3150S

Name: Forest River Sunseeker 3150S
Brand: Forest River

Class Cbuilt 2026– (in production)Mixed build tierFindable on the used market

WHAT ONE COSTS

$145,900est. MSRP (from 27 priced floorplans of this line)

Still in production. A used 2023 would run roughly $86,100.

THE SPECS

Length32.2 ft

Height (incl. A/C)11.3 ft

Width8.4 ft

Interior height7.0 ft

GVWR14,500 lb

Dry weightnot published

Sleeps3

Slide-outs1

Fresh water44 gal

Grey water39 gal

Black water39 gal

Air conditioning15,000 BTU

Solar (standard)200 W

Awning23.5 ft

Fuel55 gal

Engine / chassisFord 7.3L V8 on E-450

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

WHERE PEOPLE SLEEP

1× Rear bedroom bed(Permanent)—
1× Convertible sleeping surface(Convertible)—

HOW IT'S BUILT: 3/5

WallsLaminated fiberglass

FrameAluminum

RoofWalk-on

UnderbellyOpen

Forest River (Mixed tier): Forest River's Class C twins get above-average shell construction - 2in aluminum-framed laminated sidewalls, composite substrate, gel-coat fiberglass - but coach-side QC and a 12-month/12,000-mile warranty keep them mid-pack.

YEAR BY YEAR: WHAT CHANGED

2026Introduced

FINDING ONE

Findable: a few listed nationwide most weeks. Why: Forest River is a volume manufacturer; only one model year; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

New 32-foot single-slide for 2026, replacing the long-serving 3050S layout family.

OTHER SUNSEEKER FLOORPLANS

2030RP · 9,350 lb · sleeps 4 2150SLE · 12,300 lb · sleeps 6 2250SLE · 12,500 lb · sleeps 5 2290S · 14,500 lb · sleeps 7 23504X4 · 14,500 lb · sleeps 6 2350LE · 12,300 lb · sleeps 5 2350SLE · 12,500 lb · sleeps 5 2400B · 11,030 lb · sleeps 3 2400BDS · 11,030 lb · sleeps 6 2400M · 11,030 lb · sleeps 2 2400Q · 11,030 lb · sleeps 4 2400R · 11,030 lb · sleeps 5 2400S · 11,030 lb · sleeps 5 2400T · 11,030 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 3150S 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 Sunseeker line ↗

Is the 3150S 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 low-confidence record: figures are inferred and should be independently verified, retrieved 2026-07.