See also:

2011 Subaru Impreza WRX STi review
Driving the 2011 Subaru Impreza WRX STi transported me to a world that was completely foreign. It's a world that's less centered on booster seats and storage cubbies and more focused on rally raci ...

Fuel octane rating
This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Using a gasoline with a lower octane rating can cause p ...

N (Neutral)
This position is for restarting a stalled engine. In this position the wheels and transmission are not locked. In this position, the transmission is neutral; the vehicle will roll freely, even on t ...