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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 $72,800.

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
  • 1× rear U-dinette converting to a bed(Convertible)54×77
  • 1× 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.

OUR TAKE

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

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 5LC21 · 12,500 lb · sleeps 4LC22 · 12,500 lb · sleeps 5LC25 · 12,500 lb · sleeps 5LC26 · 14,500 lb · sleeps 5LC28 · 14,500 lb · sleeps 5LF31 · 14,500 lb · sleeps 7the whole line →
Find one for sale

Live listings for the LC19 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 Quantum line ↗

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, 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.