Thor Motor Coach Quantum GR22

Name: Thor Motor Coach Quantum GR22
Brand: Thor Motor Coach

Class Cbuilt 2017–20Mixed 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

Length24.0 ft

Height (incl. A/C)11.0 ft

Width8.3 ft

Interior height7.0 ft

GVWR12,500 lb

Dry weightnot published

Sleeps5

Fresh water40 gal

Grey water25 gal

Black water29 gal

Awning15 ft

Fuel55 gal

Engine / chassisFord E-350 6.8L V10 (Chevy alt.)

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

WHERE PEOPLE SLEEP

1× rear queen bed(Permanent)60×74
1× cab-over bunk(Permanent)—
1× convertible 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

YEARS	GVWR	DRY	MSRP
2017–18	14,500 lb	—	—
2019–20	12,500 lb	—	—

2017Introduced
2019GVWR revised to 12,500 lb
2020Final model year

FINDING ONE

Findable — a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer. Estimated from build volume and production span — not a count of live listings.

THE READ

Short 24 ft V10 Quantum - the small-footprint option before the LC series arrived.

OTHER QUANTUM FLOORPLANS

CR24 · 11,030 lb · sleeps 5 DS24 · 11,030 lb · sleeps 3 GL24 · 12,125 lb · sleeps 4 HS31 · 14,500 lb · sleeps 5 JM31 · 14,500 lb · sleeps 5 KM24 · 11,030 lb · sleeps 5 KW29 · 14,500 lb · sleeps 5 LC19 · 11,500 lb · sleeps 3 LC21 · 12,500 lb · sleeps 4 LC22 · 12,500 lb · sleeps 5 LC25 · 12,500 lb · sleeps 5 LC26 · 14,500 lb · sleeps 5 LC28 · 14,500 lb · sleeps 5 LF31 · 14,500 lb · sleeps 7 the whole line →

Is the GR22 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.