Custom-tailored performance Subaru Intelligent Drive (SI-DRIVE) is an advanced engine management system with driver-selectable modes tailored to suit different conditions and different moods. SI-DRIVE is the perfect solution for those who crave both sporty response and economic fuel consumption, taking vehicle performance to an all-new level. The Subaru WRX (equipped with the CVT) and the Subaru WRX STI feature SI-DRIVE with three different modes: Intelligent (I), Sport (S) and Sport Sharp (#). All Subaru Forester models from 2019 onwards feature with one of two different versions of the SI-DRIVE, each with two different modes. The Forester Sport benefits from having Intelligent (I) and Sport Sharp (#) modes; all other trim levels utilize Intelligent (I) and Sport (S) modes. From 2020 model year onwards, all Subaru Impreza and Crosstrek models with Lineartronic CVTs are equipped with Intelligent (I) and Sport (S) modes of SI-Drive.