Holiday Rambler Endeavor 40X

Name: Holiday Rambler Endeavor 40X
Brand: Holiday Rambler

Class Abuilt 2017–18Mixed build tierScarce on the used market

WHAT ONE COSTS

$170,700est. used (2018, 8 yr old)

Sticker was $298,601 in 2018. Out of production since 2018, so the used market is the only way to buy one. Estimate assumes a 2018 unit.

THE SPECS

Length41.0 ft

Height (incl. A/C)12.8 ft

Width8.5 ft

Interior height7.0 ft

GVWR33,000 lb

Dry weightnot published

Sleeps4

Slide-outs3

Fresh water100 gal

Grey water62 gal

Black water40 gal

Fuel100 gal

Engine / chassisRoadmaster chassis, Cummins ISB 6.7L up to 380 hp

GeneratorOnan diesel generator

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

WHERE PEOPLE SLEEP

1× King bed in rear(Permanent)—
1× L-shaped dinette(Convertible)—
1× Residential-style sofa(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameAluminum

RoofWalk-on

UnderbellyEnclosed

Holiday Rambler (Mixed tier): Endeavor

YEAR BY YEAR: WHAT CHANGED

2017Introduced
2018Final year

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

The 2017 Endeavor's linen-closet plan with a residential sofa; GVWR inferred from the chassis family.

OTHER ENDEAVOR FLOORPLANS

36PDQ · 32,000 lb · sleeps 4 36PFT · 36,000 lb · sleeps 4 38F · 33,400 lb · sleeps 4 38K · 33,600 lb · sleeps 9 38N · 33,600 lb · sleeps 4 38PDQ · 32,000 lb · sleeps 4 38W · 33,600 lb · sleeps 4 40D · 33,000 lb · sleeps 4 40DP · 33,000 lb · sleeps 4 40E · 33,000 lb · sleeps 4 40FX · 33,000 lb · sleeps 4 40G · 33,000 lb · sleeps 4 40PAQ · 34,000 lb · sleeps 4 40PDQ · 36,000 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 40X 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 Endeavor 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, 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.