See also:

MMT
Some gasoline contains an octane-enhancing additive called MMT (Methylcyclopentadienyl Manganese Tricarbonyl). If you use such fuels, your emission control system performance may deteriorate and t ...

Turbo models
Except STI The engine is designed to operate using premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. If premium unleaded gasoline is not available, regular unleaded gasoli ...

Going & Stopping
Subaru expects the vast majority of buyers to pick the normally aspirated engine. It's a solid choice, mustering enough low-end torque to move the Forester smartly from a standstill. The five-spee ...