Thor Motor Coach Siesta 24MB

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

Class Cbuilt 2020–20Mixed 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

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

Findable — a few listed nationwide most weeks. 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.

THE READ

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 →

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 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.