2019 Subaru STI S209: What To Know About NAIAS’s Best Car Debut

The 2019 Detroit Auto Show unveiled several new cars and concept vehicles this January, but it was the Subaru Tecnica International (STI) S209 that won over our hearts and quickened our pulses. After all, this performance car is the most powerful, agile, and supremely exhilarating Subaru STI ever made in the U-S-of-A.  Street-legal, four-wheeled rockets like this don’t come along often –perhaps the lack of saturation is a good thing for the segment – so when they pop into frame, you can bet we’re all over them.

Here’s all you need to know about the 2019 Subaru STI S209, coming to a Subaru dealer near you later this year.

Upgraded Subaru BOXER Engine

As the automaker’s first-ever S-line STI performance vehicle to be sold in America, the S209 features a boisterous 2.5-liter SUBARU BOXER turbocharged engine that makes a feverish 341 horsepower. The STI’s HKS-manufactured BOXER EJ25 utilizes a low-restriction exhaust system and several strengthened alloy-forged pistons and rods to reduce body weight, which results in bumps in torque production (10% at 3,600 rpm), boost pressure (18 psi), and turbine power (6%) over the Subaru WRX STI model’s.

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