Thor Motor Coach Siesta 24MB

Name: Thor Motor Coach Siesta 24MB
Brand: Thor Motor Coach

Class Cbuilt 2020–20Mixed build tierPatient search on the used market

WHAT ONE COSTS

$87,700est. used (2020, 6 yr old)

Sticker was $142,540 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 water30 gal

Grey water38 gal

Black water38 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

1× Rear bed(Permanent)—
1× Cab-over bunk(Permanent)—
1× 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

2020Introduced in the last model year of the Siesta line

FINDING ONE

Patient search: weeks of watching, and probably some travel. Why: Thor Motor Coach is a volume manufacturer; only one model year. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Introduced for the final Siesta model year. Smallest fresh tank of the line at 30 gal.

OTHER SIESTA FLOORPLANS

24SA · 11,030 lb · sleeps 5 24SB · 11,030 lb · sleeps 5 24SJ · 11,030 lb · sleeps 5 24SK · 11,030 lb · sleeps 5 24SR · 11,030 lb · sleeps 5 24SS · 11,030 lb · sleeps 5 24ST · 11,030 lb · sleeps 5 24SV · 11,030 lb · sleeps 5 the whole line →

Find one for sale

Live listings for the 24MB 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 Siesta line ↗

Is the 24MB 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.