Mercury 2.5L I4 Hybrid Specs

Mercury 2.5L I4 Hybrid engine specs: 152 ci (2.5L), 4-cylinder, 3.5039" bore x 3.937" stroke, 12.3:1 compression.

Dimensions

Displacement152 ci / 2.5 L
Bore3.5039"
Stroke3.937"
Cylinders4
Compression ratio12.3:1
Bore/stroke ratio0.89

Construction

Block materialaluminum
Head materialaluminum
ValvetrainDOHC
Fuel typegas
Advertised HP155 hp

What these numbers mean

Bore/stroke character0.890 — undersquare — stroke exceeds bore, which favours low-end torque
Mean piston speed at 6,000 RPM3,937 ft/min — in the range typical of performance street engines
Displacement per cylinder38.0 ci
Static compression12.3:1 — high enough that pump premium or better is normally required

Run the numbers for this engine

Each link opens the calculator with this engine's specs already filled in.

Vehicles (2)

Similar engines

← All Duratec Hybrid engines