Will citroen engine fit in Peugeot?

Yes, many Citroën engines can fit into Peugeot vehicles, as both brands are part of the Stellantis group and share a range of components and platforms. However, compatibility depends on the specific models and engine types involved. It's essential to consider factors like engine mounts, electronics, and transmission compatibility when attempting such an engine swap. Always consult a professional mechanic or refer to detailed technical specifications for the best results.