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Thor Motor Coach Gemini 24SX

Class Cbuilt 2019–20Mixed build tierFindable on the used market
WHAT ONE COSTS
—price not published

The maker never published an MSRP for this floorplan. Unknown is not cheap — treat any asking price against comparable models, not against zero.

THE SPECS
Length26.0 ft
Height (incl. A/C)10.8 ft
Width7.5 ft
Interior height6.7 ft
GVWR11,030 lb
Dry weightnot published
Sleeps4
Slide-outs1
Fresh water30 gal
Grey water38 gal
Black water24.5 gal
Awning16.5 ft
Fuel26.4 gal
Engine / chassisMercedes-Benz 3.0L V6 turbo diesel, Sprinter cab chassis

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

WHERE PEOPLE SLEEP
  • 1× Flip-up full-size bed with cushioned seating underneath(Permanent)54×74
  • 1× Dinette(Convertible)—
HOW IT'S BUILT — 2/5
WallsLaminated fiberglass
FrameSteel
RoofStandard
UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor Gemini AWD

YEAR BY YEAR — WHAT CHANGED
  • 2019Introduced on the Mercedes-Benz Sprinter
  • 2020Last model year
FINDING ONE

Findable — a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer; only 2 model years. Estimated from build volume and production span — not a count of live listings.

THE READ

Longest and lowest Gemini ever built - 26 ft on a Sprinter and only 10'-10" tall.

OTHER GEMINI FLOORPLANS
22MT · 11,000 lb · sleeps 223TB · 10,360 lb · sleeps 423TE · 11,000 lb · sleeps 223TR · 10,360 lb · sleeps 423TW · 11,000 lb · sleeps 324JG · 11,000 lb · sleeps 324KB · 11,000 lb · sleeps 324TF · 11,030 lb · sleeps 4the whole line →
Is the 24SX 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.