Fleetwood Discovery 39G

Name: Fleetwood Discovery 39G
Brand: Fleetwood

Class Abuilt 2018–19Mixed build tierScarce on the used market

WHAT ONE COSTS

$178,900est. used (2019, 7 yr old)

Sticker was $299,764 in 2018. Out of production since 2019, so the used market is the only way to buy one. Estimate assumes a 2019 unit.

THE SPECS

Length41.3 ft

Height (incl. A/C)12.8 ft

Width8.5 ft

Interior height7.0 ft

GVWR36,400 lb

Dry weightnot published

Sleeps8

Slide-outs2

Fresh water100 gal

Grey water75 gal

Black water50 gal

Air conditioning15,000 BTU

Awning19.5 ft

Fuel100 gal

Engine / chassisCummins ISB 6.7L 360 hp diesel on Freightliner XCM

GeneratorOnan 8.0kW diesel

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

WHERE PEOPLE SLEEP

1× King bed(Permanent)—
2× Bunks(Permanent)—
2× Sofa and dinette(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameSteel

RoofWalk-on

UnderbellyEnclosed

Fleetwood (Mixed tier): Solid diesel architecture - Freightliner XCM Freedom Bridge chassis, Vacu-Bond aluminum-framed laminated walls, no wood substrate, molded one-piece roof - held back by REV-era Fleetwood's inconsistent finish quality and service network.

YEAR BY YEAR: WHAT CHANGED

2018Introduced
2020Dropped

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

Bunk plan on the 36,400 lb chassis - the family Discovery of the late 2010s. UVW is not published.

OTHER DISCOVERY FLOORPLANS

36Q · 33,400 lb · sleeps 7 37R · 33,400 lb · sleeps 6 38F · 33,400 lb · sleeps 8 38K · 33,400 lb · sleeps 8 38N · 33,600 lb · sleeps 7 38W · 33,600 lb · sleeps 10 39F · 36,400 lb · sleeps 6 40E · 33,400 lb · sleeps 4 40G · 33,400 lb · sleeps 8 40K · 32,000 lb · sleeps 8 40X · 33,400 lb · sleeps 8 the whole line →

Find one for sale

Live listings for the 39G 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 Discovery line ↗

Is the 39G 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.