Entegra Coach Cornerstone 45J

Name: Entegra Coach Cornerstone 45J
Brand: Entegra Coach

Class Abuilt 2015–17Better build tierScarce on the used market

WHAT ONE COSTS

$374,200est. used (2017, 9 yr old)

Sticker was $669,408 in 2017. Out of production since 2017, so the used market is the only way to buy one. Estimate assumes a 2017 unit.

THE SPECS

Length44.9 ft

Height (incl. A/C)12.9 ft

Width8.4 ft

Interior height7.0 ft

GVWR54,000 lb

Dry weightnot published

Sleeps6

Slide-outs4

Fresh water100 gal

Grey water62 gal

Black water41 gal

Air conditioning45,000 BTU

Fuel150 gal

Engine / chassisCummins ISX 605 HP diesel pusher / Allison 4000 MH / Spartan K3

GeneratorOnan 12,500W diesel with auto-start

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

WHERE PEOPLE SLEEP

1× Walk-around king in rear bedroom(Permanent)72×80
2× Convertible sofa seating(Convertible)—

HOW IT'S BUILT: 4/5

WallsLaminated fiberglass

FrameAluminum

RoofWalk-on

UnderbellyEnclosed

Entegra Coach (Better tier): Thor Industries (Jayco / Entegra Coach, Middlebury IN)

YEAR BY YEAR: WHAT CHANGED

YEARS	GVWR	DRY	MSRP
2015	54,000 lb	—	$609,281
2016–17	54,000 lb	—	$669,408

2015Introduced
2016Tanks revised from 95/49/49 to 100/62/41 gal
2017Last model year

FINDING ONE

Scarce: months of watching; be ready to fly and drive it home. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Early Cornerstone plan from the 45B/45J/45K trio; three model years only.

OTHER CORNERSTONE FLOORPLANS

45A · 54,000 lb · sleeps 6 45B · 54,000 lb · sleeps 4 45D · 54,000 lb · sleeps 4 45F · 54,000 lb · sleeps 6 45K · 54,000 lb · sleeps 6 45R · 54,000 lb · sleeps 7 45V · 54,000 lb · sleeps 4 45W · 54,000 lb · sleeps 4 45X · 54,000 lb · sleeps 7 45Y · 54,000 lb · sleeps 4 45Z · 54,000 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 45J 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 Cornerstone line ↗

Is the 45J 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.