General Information: Outback: Engine
| Model | 2.5 L DOHC non-turbo | 3.6 L DOHC non-turbo | |
| Engine type | Horizontally opposed, liquid cooled, 4-cylinder, 4-stroke gasoline engine | Horizontally opposed, liquid cooled, 6-cylinder, 4-stroke gasoline engine | |
| Valve arrangement | Overhead camshaft | ||
| Bore X stroke | mm (in) | 94.0 X 90.0 (3.70 X 3.54) | 92.0 X 91.0 (3.622 X 3.583) |
| Displacement | cm3 (cu in) | 2, 498 (152.43) | 3, 630 (221.5) |
| Compression ratio | 10.3 | 10.5 | |
| Ignition order | 1 - 3 - 2 - 4 | 1 - 6 - 3 - 2 - 5 - 4 | |
| Idle speed at parking or neutral position | r/min | CVT: 675±100 MT: 650±100 |
700±100 |
| Maximum output | kW (HP)/(r/min) | 130 (175)/5, 800 | 191 (256)/6, 000 |
| Maximum torque | N.m (kgf-m, ft-lb)/(r/min) | 235 (24.0, 174)/4, 000 | 335 (34.1, 247)/4, 400 |