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Stellantis to halt car assembly at France's Poissy plant by 2029

Published by Global Banking & Finance Review

Posted on April 16, 2026

3 min read

· Last updated: April 16, 2026

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Stellantis to halt car assembly at France's Poissy plant by 2029
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By Gilles Guillaume PARIS, April 16 (Reuters) - Stellantis said on Thursday it will stop making new cars at its Poissy plant near Paris within three or four years, as it works on cutting excess

Stellantis to End Car Production at Poissy Plant in France by 2029

Stellantis Announces Major Changes at Historic Poissy Plant

By Gilles Guillaume

Production Halt and Overcapacity Issues

PARIS, April 16 (Reuters) - Stellantis said on Thursday it will stop making new cars at its Poissy plant near Paris within three or four years, as it works on cutting excess manufacturing capacity across Europe.

The Jeep and Peugeot maker is facing chronic overcapacity in the region, where auto sales have yet to return to pre-pandemic levels.

Market Challenges and Financial Impact

Rapid gains by low-cost Chinese competitors as well as a slower-than-expected transition to electric vehicles, which forced Stellantis to report a $25 billion writedown earlier this year, have compounded the situation.

Timeline and Future Operations at Poissy

Production of the DS3 and Opel Mokka in Poissy should cease at the end of 2028 at the earliest, after which the site will no longer produce new vehicles, but will continue to manufacture auto parts for other Stellantis factories, a company spokesperson told Reuters following talks with unions.

During the meeting, Stellantis told unions that the date of end of production, penciled for the end of 2028, would be confirmed later on.

Investment and New Activities

Stellantis, which has four other factories in France, will invest 100 million euros ($117.96 million) to overhaul the Poissy site, enabling new activities such as 3D printing for parts or reconditioning and recycling used vehicles.

Historical Background and Workforce Changes

History of the Poissy Plant

The plant's future has been uncertain for years, with output dwindling and expected to come in at about 68,000 units in 2026 and 65,000 in 2027, well below 145,800 in 2023, said an industry source familiar with the matter.

Stellantis declined to comment on the volume forecasts.

The factory was built by Ford in the 1940s and later acquired by Chrysler before being taken over by Peugeot and becoming part of Stellantis in 2021. At its peak in 1976, the plant employed nearly 27,000 people and produced more than 500,000 vehicles annually.

Workforce Projections and Training

Current and Future Employment

Approximately 1,600 workers currently work at Poissy, a number expected to drop to 1,200 by 2030 due to the aging workforce. Around 1,000 new roles will be needed by 2030 to accommodate the new businesses, and a training programme implemented, said the spokesperson.

($1 = 0.8477 euros)

(Reporting by Gilles Guillaume; Editing by Louise Heavens)

Key Takeaways

  • Poissy car assembly (DS3, Opel Mokka) to halt by end‑2028, with final date pending union talks; site will repurpose for parts and recycling activities, backed by €100 million investment. (en.wikipedia.org)
  • This move forms part of Stellantis's broader strategy to rationalize excess manufacturing capacity across Europe amid weak demand, fierce low‑cost Chinese competition, and a strategic reset following a €22.2 billion write‑down tied to over‑ambitious EV plans. (axios.com)
  • While annual production at Poissy is projected to fall from 145,800 in 2023 to ~68,000 in 2026 and ~65,000 in 2027, employment will drop from ~1,600 today to ~1,200 by 2030; however, ~1,000 new roles tied to new site activities are expected, supported by training programs. (lemonde.fr)

References

Frequently Asked Questions

When will Stellantis stop car assembly at the Poissy plant?
Stellantis plans to halt car assembly at its Poissy plant near Paris by the end of 2028 or early 2029.
What will happen to the Poissy plant after car production ends?
After car production stops, the Poissy plant will focus on manufacturing auto parts, 3D printing, reconditioning, and recycling.
Why is Stellantis stopping car assembly at the Poissy plant?
Stellantis is stopping car assembly at Poissy due to chronic overcapacity in Europe and shifts in the automotive market.
How many workers will be affected by the changes at the Poissy plant?
The workforce is expected to decrease to around 1,200 by 2030, but 1,000 new roles will be created for the plant's new focus.
Will Stellantis invest in the Poissy plant despite the car assembly halt?
Yes, Stellantis will invest 100 million euros to overhaul the site and support its new business activities.

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