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Thor Motor Coach Palazzo 37.4

Class Abuilt 2018– (in production)Mixed build tierCommon on the used market
WHAT ONE COSTS
$342,900MSRP today

Still in production. A used 2023 would run roughly $202,300.

THE SPECS
Length38.9 ft
Height (incl. A/C)12.4 ft
Width8.4 ft
Interior height6.8 ft
GVWR32,350 lb
Dry weightnot published
Sleeps6
Fresh water95 gal
Grey water40 gal
Black water40 gal
Air conditioning27,000 BTU
Solar (standard)500 W
Awning15 ft
Fuel90 gal
Engine / chassisFreightliner XC-S / Cummins 6.7L ISB diesel
GeneratorOnan RV QD 6000 diesel

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

WHERE PEOPLE SLEEP
  • 1× Tilt-A-View inclining king bed(Permanent)72×80
  • 1× drop-down overhead bunk(Stow-away)48×74
  • 1× 68 in tri-fold sofa(Convertible)—
  • 1× 72 in dream dinette(Convertible)—
HOW IT'S BUILT: 4/5
WallsLaminated fiberglass
FrameAluminum
RoofWalk-on
UnderbellyEnclosed

Thor Motor Coach (Mixed tier): Thor Motor Coach

YEAR BY YEAR: WHAT CHANGED
YEARSGVWRDRYMSRP
2018–2131,020 lb—$342,860
2022–2432,000 lb—$342,860
2025–32,350 lb—$342,860
  • 2018Introduced
  • 2022GVWR raised to 32,000 lb
  • 2024Renamed Palazzo GT
  • 2025GVWR raised to 32,350 lb
FINDING ONE

Common: usually several for sale within a day’s drive. Why: Thor Motor Coach is a volume manufacturer; 9-year production run; still in production. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

King-bed flagship on the heavy 32,350 lb chassis - the most payload in the line.

OTHER PALAZZO FLOORPLANS
33.1 · 26,000 lb · sleeps 333.2 · 26,000 lb · sleeps 533.3 · 26,000 lb · sleeps 733.4 · 26,000 lb · sleeps 533.5 · 26,000 lb · sleeps 733.6 · 26,000 lb · sleeps 535.1 · 28,000 lb · sleeps 536.1 · 28,000 lb · sleeps 536.2 · 28,000 lb · sleeps 536.3 · 30,500 lb · sleeps 537.5 · 32,350 lb · sleeps 637.6 · 32,000 lb · sleeps 7the whole line →
Find one for sale

Live listings for the 37.4 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 Palazzo line ↗

Is the 37.4 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.