CamperHardlyKnowHer

Thor Motor Coach Quantum LC19

Class Cbuilt 2025– (in production)Mixed build tierFindable on the used market
WHAT ONE COSTS
$123,300MSRP today

Still in production — a used 2023 would run roughly $85,100.

THE SPECS
Length20.4 ft
Height (incl. A/C)10.7 ft
Width7.8 ft
Interior height6.7 ft
GVWR11,500 lb
Dry weightnot published
Sleeps3
Fresh water20.5 gal
Grey water17 gal
Black water16 gal
Awning11 ft
Fuel40 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
  • rear U-dinette converting to a bed(Convertible)54×77
  • cab-over bunk(Permanent)60×74
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.

THE READ

20 ft entry Quantum with a rear U-dinette and wet bath - garage-friendly at 10 ft 8 in.

OTHER QUANTUM FLOORPLANS
Is the LC19 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.