Thor Motor Coach Gemini 23TB

Name: Thor Motor Coach Gemini 23TB
Brand: Thor Motor Coach

Class Cbuilt 2017–18Mixed build tierFindable on the used market

WHAT ONE COSTS

$74,000est. used (2018, 8 yr old; from 5 priced floorplans of this line)

THE SPECS

Length23.5 ft

GVWR10,360 lb

Dry weightnot published

Sleeps4

Slide-outs1

Engine / chassisFord 3.2L I-5 Power Stroke turbo diesel, Transit cutaway

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

WHERE PEOPLE SLEEP

1× Rear bed(Permanent)—
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

2017Introduced
2018Last 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.

OUR TAKE

Early Transit floorplan shared with the Compass twin; published data is thin.

OTHER GEMINI FLOORPLANS

22MT · 11,000 lb · sleeps 2 23TE · 11,000 lb · sleeps 2 23TR · 10,360 lb · sleeps 4 23TW · 11,000 lb · sleeps 3 24JG · 11,000 lb · sleeps 3 24KB · 11,000 lb · sleeps 3 24SX · 11,030 lb · sleeps 4 24TF · 11,030 lb · sleeps 4 the whole line →

Find one for sale

Live listings for the 23TB 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 Gemini line ↗

Is the 23TB 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.