Subaru Legacy BN/BS (2015-2019) Service Manual: 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

DOHC

Bore - stroke

mm (in)

94.0 - 90.0 (3.70 - 3.54)

92.0 - 91.0 (3.62 - 3.58)

Displacement

cm3 (cu in)

2,498 (152)

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