FB20 Engine

FB20 Engine Specs

Manufacturer Gunma Oizumi Plant
Also called Subaru FB20
Production 2010-present
Cylinder block alloy Aluminum
Configuration Flat-4
Valvetrain DOHC
4 valves per cylinder
Piston stroke, mm (inch) 90 (3.54)
Cylinder bore, mm (inch) 84 (3.31)
Compression ratio 10.5
10.8 (Hybrid)
Displacement 1995 cc (121.7 cu in)
Power output 109 kW (148 HP) at 6,000 rpm
110 kW (150 HP) at 6,200 rpm
119 kW (162 HP) at 6,000 rpm
Torque output 196 Nm (145 lb·ft) at 4,200 rpm
197 Nm (145 lb·ft) at 4,200 rpm
221 Nm (163 lb·ft) at 4,200 rpm
Redline 6,400
HP per liter 74.2
75.2
81.2
Fuel type Gasoline
Weight, kg (lbs)
Fuel consumption, L/100 km (mpg)
-City
-Highway
-Combined
Subaru Forester 2.0
10.4 (22)
6.7 (35)
8.0 (29)
Turbocharger  Naturally aspirated
Oil consumption , L/1000 km
(qt. per miles)
up to 1.0
(1 qt. per 600 miles)
Recommended engine oil 0W-20
5W-20
5W-30
5W-40
Engine oil capacity, L (qt.) 4.8 (5.1)
Oil change interval, km (miles) 5,000-10,000
(3,000-6,000)
Normal engine operating temperature, °C (F)
Engine lifespan, km (miles)
-Official information
-Real

200,000+ (120,000)
Tuning, HP
-Max HP
-No life span loss

FB20 Engine Problems and Reliability

The engine consumes oil. It is necessary to use only Subaru recommended engine oil and always check oil level.

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