CamperHardlyKnowHer

Thor Motor Coach A.C.E. 30.3

Class Abuilt 2017–22Mixed build tierCommon 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
Length31.0 ft
Height (incl. A/C)12.2 ft
Width8.3 ft
Interior height7.0 ft
GVWR18,000 lb
Dry weightnot published
Sleeps7
Slide-outs1
Fresh water50 gal
Grey water40 gal
Black water40 gal
Air conditioning13,500 BTU
Awning19 ft
Fuel80 gal
Engine / chassisFord 7.3L V8 on F-53
GeneratorOnan 5.5kW gas

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

WHERE PEOPLE SLEEP
  • 1× Rear bed(Permanent)—
  • 1× Drop-down overhead bunk(Stow-away)46×74
  • 1× Jack-knife sofa and dinette(Convertible)—
HOW IT'S BUILT — 3/5
WallsLaminated fiberglass
FrameSteel
RoofWalk-on
UnderbellyOpen

Thor Motor Coach (Mixed tier): A.C.E. is Thor's entry gas Class A — Vacu-Bond laminated walls and a lot of standard content for the money, undercut by the same inconsistent Thor build QC that dogs the rest of the volume lineup.

YEAR BY YEAR — WHAT CHANGED
  • 2017Introduced
  • 2022Discontinued
FINDING ONE

Common — usually several for sale within a day’s drive. Why: Thor Motor Coach is a volume manufacturer. Estimated from build volume and production span — not a count of live listings.

THE READ

190in-wheelbase 31-footer; bed sizes not separately printed for this plan.

OTHER A.C.E. FLOORPLANS
27.1 · 16,000 lb · sleeps 627.2 · 18,000 lb · sleeps 629.2 · 16,000 lb · sleeps 629.3 · 18,000 lb · sleeps 629.4 · 18,000 lb · sleeps 629.5 · 18,000 lb · sleeps 629D · 18,000 lb · sleeps 629G · 18,000 lb · sleeps 630.1 · 18,000 lb · sleeps 830.2 · 18,000 lb · sleeps 830.4 · 18,000 lb · sleeps 630C · 18,000 lb · sleeps 632.1 · 20,500 lb · sleeps 632.3 · 18,000 lb · sleeps 7the whole line →
Is the 30.3 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.