Engine Subaru FB20 under the hood

Engine Subaru FB20

The FB20 engine has an AVCS variable valve timing system on the intake and outlet camshafts. The timing chain uses a maintenance-free chain. The engine is characterized by the installation of a plastic intake manifold with TGV flaps at the intake to improve environmental performance. Most often, this engine is called FB20B, its power reaches 150 hp at 6200 rpm, with a torque of 197 Nm at 4200 rpm.


Manufacturer Gunma Oizumi Plant
Also called FB20
Production years 2010
Cylinder block alloy aluminum
Fuel system injector
Configuration boxer engine
Number of cylinders 4
Valves per cylinder 4
Piston stroke, mm 90
Cylinder bore, mm 84
Compression ratio 10.5
Displacement, cc 1995
Power output, hp 148/6000
Torque output, Nm / rpm 196/4200
Fuel type 95
Euro standards
Weight, kg
Fuel consumption, L/100 km (for Forester)
— city
— highway
— combined
Oil consumption, gr/1000 km up to 1000
Recommended engine oil 0W-20 / 5W-20 / 5W-30 / 5W-40
Engine oil capacity, liter 4.8
Oil change interval, km 15000
(better 7500)
Normal engine operating temperature, °C
Engine lifespan, km
— official information
— real


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