Subaru Outback Manuals 2012 Outback Owner's Manual | Page 431

Specifications
12-3
& Engine
Engine model
Engine type
EJ253
(2.5 L, SOHC, non-turbo)
EJ255
(2.5 L, DOHC, turbo)
Horizontally opposed, liquid cooled 4 cylinder,
4 stroke gasoline engine
EZ36D
(3.6 L, DOHC, non-turbo)
Horizontally opposed, liquid cooled 6 cylinder,
4 stroke gasoline engine
Displacement cu-in (cc) 149.9 (2,457) 221.5 (3,630)
Bore 6 Stroke in (mm) 3.92 6 3.11 (99.5 6 79.0) 3.62 6 3.58 (92.0 6 91.0)
Compression ratio
Firing order
10.0 : 1
8.4 : 1
1 – 3 – 2 – 4
10.5 : 1
1 – 6 – 3 – 2 – 5 – 4
& Fuel
Vehicle model
Non-turbo models
Turbo models
Fuel requirement
Unleaded gasoline with 87 AKI (90 RON) or higher
Premium unleaded gasoline with 93 AKI (98 RON) or higher* 1
Fuel tank capacity
18.5 US gal (70 liters, 15.4 Imp gal)
*1: If 93 AKI (98 RON) fuel is not available, refer to “Fuel requirements” F7-2.
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