See also:

SI-DRIVE (STI)
SI-DRIVE (SUBARU Intelligent Drive) works to maximize engine performance, control and efficiency. This system consists of three modes: Intelligent (I), Sport (S), and Sport Sharp (S#). By adjusting ...

Foreword
Congratulations on choosing a SUBARU vehicle. This Owner’s Manual has all the information necessary to keep your SUBARU in excellent condition and to properly maintain the emission control system for ...

Turbocharged Power
The 2.5-liter four-cylinder engine from last year's WRX really is a hoot to drive, and it's just as strong in the 2009 Impreza 2.5GT. Whether you're cruising around the city or driving on the high ...