New Subaru WRX STI To Get 400 HP From 2.4-Liter Turbo Boxer?
![](https://cdn.motor1.com/images/mgl/qjvEq/s1/2020-subaru-wrx-sti-render.webp)
The next-gen Subaru WRX STI will allegedly pack a version of the brand's 2.4-liter turbocharged boxer four-cylinder making 400 horsepower (298 kilowatts) and 361 pound-feet (490 Newton-meters) of torque, according to "sources close to the Japanese automaker" speaking to Forbes. The new model reportedly arrives in 2021.
Subaru's engineers are allegedly using the engine from the Mercedes-AMG A45 as the benchmark for the STI's new powerplant.
![](https://cdn.motor1.com/images/mgl/lyxQE/s1/2017-subaru-viziv-performance-concept.jpg)
New Subaru WRX STI To Get 400 HP From 2.4-Liter Turbo Boxer?
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New Subaru WRX STI To Get 400 HP From 2.4-Liter Turbo Boxer? - SBR Technic
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Next-Gen Subaru WRX STI May Have a 2.4-Liter Turbo With 400 HP
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2022 Subaru WRX STI Expected With FA24 2.4-Liter Turbo Boxer Engine, 400 HP - autoevolution
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New Subaru WRX STI To Get 400 HP From 2.4-Liter Turbo Boxer?
![](https://s1.cdn.autoevolution.com/images/news/gallery/2022-subaru-wrx-sti-expected-with-fa24-24-liter-turbo-boxer-engine-400-hp_26.jpg)
2022 Subaru WRX STI Expected With FA24 2.4-Liter Turbo Boxer Engine, 400 HP - autoevolution
![](https://img.321ignition.io/321ignition-v4-prod-images/public/613bb2ed5ce9c8010acca31f/cms/Subaru-WRX-2018-Trust-Auto-1-1024x717.jpg)
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