Private company

ASS

French manufacturer of automobiles based in Lyon1

Automobiles Sans Soupapes (ASS) (English: Automobiles Without Valves) was a French automobile manufacturer founded in 1919 by Bernard Verdy in Lyon, France. The company merged with Société des Moteurs Thomas in March 1920.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1919Founded1
  • Industryautomotive industry1
  • HeadquartersLyon1
  • Legal formsociété anonyme1
Automobiles Sans Soupapes 1919
Photo: Automobilia : l'automobile aux armées, GPL, via Wikimedia Commons4

Automobiles Sans Soupapes (ASS) (English: Automobiles Without Valves) was a French automobile manufacturer founded in 1919 by Bernard Verdy in Lyon, France. The company merged with Société des Moteurs Thomas in March 1920.2

Products and brands

Automobiles Sans Soupapes marketed their vehicle under the abbreviated name ASS and advertised it as L'automobile pour tous (The automobile for everyone), The car was powered by a 1240cc, 12 hp (8.9 kW) two-stroke Thomas engine and used a 2-speed epicyclic transmission. The car featured electric lights and starter. The vehicle was launched in March 1919 available in 4-door tourer and 2-door coupe variants at a cost of 4750 francs. Plans for mass production went unrealized, and in March 1920 it was announced that the company had merged with Société des Moteurs Thomas.

From Wikipedia’s article on Automobiles Sans Soupapes, shared under CC BY-SA 4.0.3

Timeline

  1. 1920Dissolved Dissolved1
  2. 1919Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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