CamperHardlyKnowHer

Fleetwood Discovery 40X

Class Abuilt 2010–15Mixed build tierPatient search on the used market
WHAT ONE COSTS
$150,200est. used (2015, 11 yr old)

Sticker was $292,746 in 2015 — out of production since 2015, so the used market is the only way to buy one. Estimate assumes a 2015 unit.

THE SPECS
Length41.3 ft
Height (incl. A/C)12.8 ft
Width8.5 ft
Interior height7.0 ft
GVWR33,400 lb
Dry weightnot published
Sleeps8
Slide-outs3
Fresh water100 gal
Grey water75 gal
Black water50 gal
Air conditioning15,000 BTU
Awning14.5 ft
Fuel100 gal
Engine / chassisCummins ISL9 8.9L 380 hp diesel on Freightliner XCS
GeneratorOnan 8.0kW diesel

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

WHERE PEOPLE SLEEP
  • 1× King bed(Permanent)—
  • 1× Sofa(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
YEARSGVWRDRYMSRP
2010–1232,000 lb—$292,746
2013–1533,400 lb—$292,746
  • 2010Introduced
  • 2013GVWR raised from 32,000 to 33,400 lb
  • 2016Dropped
FINDING ONE

Patient search — weeks of watching, and probably some travel. Why: 11 years out of production. Estimated from build volume and production span — not a count of live listings.

THE READ

Long-running king couples 41-footer, sibling to the 40G. UVW is not published.

OTHER DISCOVERY FLOORPLANS
36Q · 33,400 lb · sleeps 737R · 33,400 lb · sleeps 638F · 33,400 lb · sleeps 838K · 33,400 lb · sleeps 838N · 33,600 lb · sleeps 738W · 33,600 lb · sleeps 1039F · 36,400 lb · sleeps 639G · 36,400 lb · sleeps 840E · 33,400 lb · sleeps 440G · 33,400 lb · sleeps 840K · 32,000 lb · sleeps 8the whole line →
Is the 40X 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.