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Thor Motor Coach Quantum LZ25

Class Cbuilt 2025– (in production)Mixed build tierFindable on the used market
WHAT ONE COSTS
$139,300MSRP today

Still in production. A used 2023 would run roughly $82,200.

THE SPECS
Length26.4 ft
Height (incl. A/C)11.0 ft
Width8.3 ft
Interior height7.0 ft
GVWR12,500 lb
Dry weightnot published
Sleeps4
Fresh water41 gal
Grey water33 gal
Black water30 gal
Awning15 ft
Fuel55 gal
Engine / chassisFord E-350 7.3L V8 (Chevy 6.6L alt.)
Generator4.0 kW dual gas/LP

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

WHERE PEOPLE SLEEP
  • twin beds with king conversion(Permanent)38×75
  • cab-over bunk(Permanent)52×96
  • dream 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
  • 2025Introduced
FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer; only 2 model years; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Rear twins that join into a king - the couples plan for people who sleep apart.

OTHER QUANTUM FLOORPLANS
Find one for sale

Live listings for the LZ25 on the big marketplaces. Each search opens pre-filled with this exact floorplan:

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

Is the LZ25 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.