Subaru Impreza Manuals 2018 Impreza Owner's Manual | Page 430

Specifications / Specifications 12-3
& Engine
S12AA02
Engine model
FB20
( 2.0 L, DOHC, non-turbo)
Engine type
Horizontally opposed, liquid cooled 4 cylinder, 4-stroke direct injection gasoline engine
Displacement cu-in( cc)
121.7( 1,995)
Bore 6 Stroke in( mm)
3.31 6 3.54( 84.0 6 90.0)
Compression ratio
12.5: 1
Firing order
1 – 3 – 2 – 4
& Fuel
S12AA08
Fuel requirement
Fuel tank capacity
Unleaded gasoline with 87 AKI( 90 RON) or higher
13.2 US gal( 50 liters, 11.0 Imp gal)
For more details, refer to“ Fuel” ☞7-3.
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