The Vauxhall Grandland 1.6 Turbo 180hp (2021 ->) produces 180bhp and 250Nm in standard form. Our Stage 1 ECU tuning file raises output to 220bhp and 300Nm, a gain of 40bhp and 50Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.