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Thor Motor Coach Sequence 20A

Class B vanbuilt 2020–25Mixed build tierFindable on the used market
WHAT ONE COSTS
$80,500est. used (2025, 1 yr old)

Sticker was $94,750 in 2021. Out of production since 2025, so the used market is the only way to buy one. Estimate assumes a 2025 unit.

THE SPECS
Length21.1 ft
Height (incl. A/C)9.4 ft
Width6.8 ft
Interior height6.3 ft
GVWR9,350 lb
Dry weightnot published
Sleeps2
Slide-outs0
Fresh water27 gal
Grey water20 gal
Black water4.8 gal
Air conditioning11,000 BTU
Awning12 ft
Fuel24 gal
Engine / chassis3.6L Pentastar V6 gas 276 HP on RAM ProMaster 3500
Generator2,800 W gas

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

WHERE PEOPLE SLEEP
  • Expanding sleeper sofa(Convertible)72×66
  • Optional Sky Bunk retractable roof sleeping area(Stow-away)
HOW IT'S BUILT: 3/5
WallsAluminum / metal van
FrameSteel
RoofStandard
UnderbellyOpen

Thor Motor Coach (Mixed tier): Thor Industries

YEAR BY YEAR: WHAT CHANGED
  • 2020Introduced with the line
  • 2022Exterior length restated 20 ft 11 in to 21 ft 1 in
  • 2026Dropped from the lineup
FINDING ONE

Findable: a few listed nationwide most weeks. Why: Thor Motor Coach is a volume manufacturer; an uncommon body style. Estimated from build volume and production span, not a count of live listings.

OUR TAKE

Sofa-sleeper plan with a 72x66 in bed - the widest sleeping surface in the line. Cassette-style black tank.

OTHER SEQUENCE FLOORPLANS
Find one for sale

Live listings for the 20A on the big marketplaces. Each search opens pre-filled with this exact floorplan:

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

Is the 20A 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.

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Data compiled from manufacturer spec sheets, retrieved 2026-07.