The 2.0-liter Subaru FB20X engine was produced by the Japanese company from 2013 to 2017 and was installed in hybrid versions of well-known models such as the Impreza and the XV crossover based on it. Currently, this engine has been replaced by a similar fuel-injected powertrain. The FB engine lineup also includes the following units: FB16B, FB16F, FB20B, FB20D, FB25B, and FB25D.
| Exact capacity | 1995 cm³ |
| Power system | injector |
| Engine power | 162 HP |
| Torque | 221 nm |
| Engine block | aluminum H4 |
| Block head | aluminum 16v |
| Cylinder diameter | 84 mm |
| Piston stroke. | 90 mm |
| Compression ratio | 10.8 |
| Engine features | Hybrid, DOHC |
| Hydraulic compensator. | there is no |
| Timing drive | chain |
| Timing phase adjuster | Dual AVCS |
| Turbocharging | there is no |
| What oils to use | 4.8 liters 0W-20 |
| Fuel type | 95 |
| Environmental class | EURO 6 |
| Approximate life expectancy | 275 000 HP |
| City | 9.1 litry |
| Route | 6.9 litry |
| Mixed | 7.6 litry |
The weight of the FB20X engine without the hybrid part is 120 kg. The engine number is located at the junction of the block and the gearbox. Like all engines in this series, it tends to consume oil from the first kilometers of mileage. Incorrect oil can quickly damage the phase regulators. The cooling system is not known for its reliability, and the engine is very sensitive to overheating. Due to malfunctions in the electronic throttle, idle speed often fluctuates. Keep the lubrication level at a maximum or you will be bothered by noises under the hood.
| Impreza 4 (GJ) | 2015 - 2016 |
| XV 1 (GP) | 2013 - 2017 |
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