CamperHardlyKnowHer

Thor Motor Coach Four Winds 28Z

Class Cbuilt 2012– (in production)Mixed build tierCommon on the used market
WHAT ONE COSTS
$155,100MSRP today

Still in production — a used 2023 would run roughly $107,000.

THE SPECS
Length30.0 ft
Height (incl. A/C)11.0 ft
Width8.3 ft
Interior height7.0 ft
GVWR14,500 lb
Dry weightnot published
Sleeps7
Slide-outs1
Fresh water40 gal
Grey water40 gal
Black water27 gal
Air conditioning15,000 BTU
Solar (standard)100 W
Awning14 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 queen with Tilt-A-View incline(Permanent)60×74
  • 1× 68in sofa(Convertible)—
  • 1× 70in 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
YEARSGVWRDRYMSRP
2012–2114,500 lb—$155,120
2022–14,500 lb—$155,120
  • 2012Introduced
  • 2015Introduced
  • 2019MSRP $104,500 on the Ford E-450 6.8L Triton V10
  • 2021Ford 7.3L V8 phases in to replace the 6.8L V10; MSRP $109,899
  • 2022Length standardized at 30ft
  • 2025Tankless water heater standard
  • 2026Cabover bunk to 52x96
  • 2026Thor-published MSRP $155,120; GVWR unchanged at 14,500 lb; tankless water heater and 12V fridge standard
FINDING ONE

Common — usually several for sale within a day’s drive. Why: Thor Motor Coach is a volume manufacturer; 15-year production run; still in production. Estimated from build volume and production span — not a count of live listings.

THE READ

Long-running rear-queen family plan that sleeps seven; one of the line's best sellers.

OTHER FOUR WINDS FLOORPLANS
19X · 11,500 lb · sleeps 319Z · 11,500 lb · sleeps 321Z · 12,500 lb · sleeps 422B · 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 6the whole line →
Is the 28Z 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 manufacturer spec sheets, retrieved 2026-07.