Subaru WRX & WRX STI Manuals 2014 Impreza WRX & WRX STI Owner's Manual | Page 373
12-4
Specifications/Specifications
& Fuel
NOTE
The engine is designed to operate using unleaded gasoline.
Model
Fuel requirement
Except STI
91 AKI (95 RON) or higher*1
STI
93 AKI (98 RON) or higher*2
Fuel tank capacity
16.9 US gal (64 liters, 14.1 Imp gal)
*1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher
may be temporarily used. For details, refer to “Fuel” F7-3.
*2: If unleaded gasoline with an octane rating of 93 AKI (98 RON) is not available, unleaded gasoline with an octane rating of 91 AKI (95 RON) may be
used with no detriment to engine durability or driveability. For details, refer to “Fuel” F7-3.