A Citro�n C4 Aircross 1.8 HDI 150hp (2012 ->) makes about 175 hp and 360 Nm with Stage 1 software, compared with 150 hp and 300 Nm from the factory. That is 25 hp and 60 Nm extra.

This is a diesel engine with a displacement of 1,798 cc and engine code 4N13.

Frequently asked questions

How much power and torque does a Citro�n C4 Aircross 1.8 HDI 150hp gain with Stage 1?

About 25 hp and 60 Nm: from 150 hp / 300 Nm to roughly 175 hp / 360 Nm. The exact gain depends on engine condition and fuel quality.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.