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Thor Motor Coach Four Winds 21Z

Class Cbuilt 2026– (in production)Mixed build tierFindable on the used market
WHAT ONE COSTS
$127,400MSRP today

Still in production. A used 2023 would run roughly $75,200.

THE SPECS
Length24.1 ft
Height (incl. A/C)11.0 ft
Width8.3 ft
Interior height7.0 ft
GVWR12,500 lb
Dry weightnot published
Sleeps4
Slide-outs0
Fresh water40 gal
Grey water35 gal
Black water24 gal
Air conditioning13,500 BTU
Awning15 ft
Fuel55 gal
Engine / chassisFord 7.3L V8 on E-Series
Generator4.0kW gas/LP dual-fuel

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

WHERE PEOPLE SLEEP
  • 1× Rear full-size bed(Permanent)54×80
  • 1× 76in Dream Dinette(Convertible)—
  • 1× Cabover bunk(Permanent)52×96
HOW IT'S BUILT: 3/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor's volume gas Class C: Vacu-Bond laminated fiberglass body on a welded aluminum cage over a Ford E-450 — decent bones, but Thor's assembly QC and dealer-service record are the weak link.

YEAR BY YEAR: WHAT CHANGED
  • 2026Introduced as an eSpec value trim
FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach 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

Value 24-footer with a rear full bed, aimed at couples on a budget.

OTHER FOUR WINDS FLOORPLANS
19X · 11,500 lb · sleeps 319Z · 11,500 lb · sleeps 322B · 12,500 lb · sleeps 622E · 12,500 lb · sleeps 722Z · 12,500 lb · sleeps 423U · 12,500 lb · sleeps 624F · 12,500 lb · sleeps 625M · 12,500 lb · sleeps 425V · 12,500 lb · sleeps 625Z · 12,500 lb · sleeps 426B · 12,500 lb · sleeps 826X · 14,500 lb · sleeps 627P · 14,500 lb · sleeps 627R · 14,500 lb · sleeps 6the whole line →
Find one for sale

Live listings for the 21Z 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 Four Winds line ↗

Is the 21Z 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 manufacturer spec sheets, retrieved 2026-07.