Subaru WRX Manuals 2025 WRX Owner’s Manual | Page 469

Specifications 461
& Engine
s12aa02
Engine model
FA24( 2.4 L, DOHC, turbo)
Engine type
Horizontally opposed, liquid cooled 4 cylinder, 4-stroke direct injection gasoline engine
Displacement cu-in( cc)
146( 2,387)
Bore 6 Stroke in( mm)
3.70 6 3.39( 94.0 6 86.0)
Compression ratio
10.6
Firing order
1 – 3 – 2 – 4
& Fuel s12aa08
NOTE
The engine is designed to operate using unleaded gasoline.
Fuel requirement
Fuel tank capacity
Unleaded gasoline with 91 AKI( 95 RON) or higher * 1
16.6 US gal( 63 liters, 13.9 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 used.
Specifications
12
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