"Geometry turbo" refers to a specific type of turbocharger used in some automotive engines. It is a technology that helps to improve engine performance and efficiency by adjusting the size and shape of the turbine blades inside the turbocharger.
A four - cylinder, variable geometry turbo that delivers very low fuel consumption and emission levels despite its power surge. (topspeed.com)
However, the entry level variant will comes with a detuned version of this engine producing 75 PS of power at 4000 RPM and 190 Nm of torque at 1750 RPM, courtesy of the fixed geometry turbo instead of a Variable Geometry Turbocharger (VGT) found on the higher variants. (motorbeam.com)