CamperHardlyKnowHer

Thor Motor Coach Quantum MB24

Class Cbuilt 2022–26Mixed build tierCommon 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)11.7 ft
Width7.5 ft
Interior height7.0 ft
GVWR12,125 lb
Dry weightnot published
Sleeps5
Fresh water30 gal
Grey water38 gal
Black water38 gal
Awning14 ft
Fuel24.5 gal
Engine / chassisMercedes-Benz Sprinter 3500 diesel

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

WHERE PEOPLE SLEEP
  • 1× sofa with Murphy bed(Stow-away)60×74
  • 1× cab-over bunk(Permanent)52×87
  • 1× dinette(Convertible)—
HOW IT'S BUILT — 3/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor Motor Coach

YEAR BY YEAR — WHAT CHANGED
YEARSGVWRDRYMSRP
2022–2411,030 lb——
2025–2612,125 lb——
  • 2022Introduced
  • 2025GVWR raised to 12,125 lb
  • 2026Final model year
FINDING ONE

Common — usually several for sale within a day’s drive. Why: Thor Motor Coach is a volume manufacturer. Estimated from build volume and production span — not a count of live listings.

THE READ

Murphy-bed Sprinter plan - living room by day, bedroom by night.

OTHER QUANTUM FLOORPLANS
CR24 · 11,030 lb · sleeps 5DS24 · 11,030 lb · sleeps 3GL24 · 12,125 lb · sleeps 4GR22 · 12,500 lb · sleeps 5HS31 · 14,500 lb · sleeps 5JM31 · 14,500 lb · sleeps 5KM24 · 11,030 lb · sleeps 5KW29 · 14,500 lb · sleeps 5LC19 · 11,500 lb · sleeps 3LC21 · 12,500 lb · sleeps 4LC22 · 12,500 lb · sleeps 5LC25 · 12,500 lb · sleeps 5LC26 · 14,500 lb · sleeps 5LC28 · 14,500 lb · sleeps 5the whole line →
Is the MB24 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 dealer and aggregator listings, retrieved 2026-07.