The Vauxhall Tigra 1.8i 16v 125hp (Twintop – 2004 – 2010) produces 125 hp and 165 Nm in standard form. With Stage 1 software that rises to about 135 hp and 180 Nm: a gain of 10 hp (+8%) and 15 Nm (+9%).
This is a petrol engine with a displacement of 1,796 cc and engine code Z18XE. The engine is controlled by the Siemens/Continental SIMTEC 71.
Frequently asked questions
How much power and torque does a Vauxhall Tigra 1.8i 16v 125hp gain with Stage 1?
About 10 hp and 15 Nm: from 125 hp / 165 Nm to roughly 135 hp / 180 Nm. The exact gain depends on engine condition and fuel quality.
Which ECU does a Vauxhall Tigra 1.8i 16v 125hp use?
Siemens/Continental SIMTEC 71.
Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.

