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Thor Motor Coach Siesta 24ST

Class Cbuilt 2015–20Mixed build tierFindable on the used market
WHAT ONE COSTS
$87,800est. used (2020, 6 yr old)

Sticker was $142,773 in 2020. Out of production since 2020, so the used market is the only way to buy one. Estimate assumes a 2020 unit.

THE SPECS
Length25.8 ft
Height (incl. A/C)10.8 ft
Width7.5 ft
Interior height6.7 ft
GVWR11,030 lb
Dry weightnot published
Sleeps5
Fresh water42 gal
Grey water24 gal
Black water22 gal
Awning15 ft
Fuel26.4 gal
Engine / chassisMercedes 3.0L V6 BlueTEC 188 HP on Sprinter 3500

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

WHERE PEOPLE SLEEP
  • Rear bed(Permanent)
  • Cab-over bunk(Permanent)
  • Dinette converts(Convertible)
HOW IT'S BUILT: 3/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor Industries

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
2015–1611,030 lb$142,773
2017–2011,030 lb$142,773
  • 2015Introduced at 25 ft 9 in
  • 2017Length restated to 26 ft
  • 2020Length restated to 25 ft 10 in; awning grew from 11 ft to 15 ft; storage up to 66.5 cu ft
FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

The storage king of the line - 62 to 66 cu ft of exterior compartment, roughly double most Siestas. Ran the longest of any Siesta floorplan.

OTHER SIESTA FLOORPLANS
Find one for sale

Live listings for the 24ST on the big marketplaces. Each search opens pre-filled with this exact floorplan:

Inventory varies by site and day. Slim pickings? search the whole Siesta line ↗

Is the 24ST 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.

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Data compiled from manufacturer spec sheets, retrieved 2026-07.