What STI Stands for in Subaru
The acronym “STI” in Subaru WRX STI stands for Subaru Tecnica International. It is the high-performance division of Subaru, specializing in motorsport vehicles and performance tuning for Subaru cars. The STI model of the Subaru WRX was developed in 1994 by Subaru Tecnica International, and it exists as a trim level for other Subaru models, such as the WRX and Subaru Legacy, in order to make them more powerful [[7]].
History and Significance
Subaru Tecnica International was officially founded in 1988 and has a long history of involvement in motorsport activities, including rally championships and other events. The division has been instrumental in the preparation of Subaru vehicles for participation in various racing events, showcasing its expertise in performance tuning and motorsport engineering .
Performance and Specifications
The STI models are known for their high-performance engines, with the EJ257 (Export) and EJ207 (JDM only) specifications of the Subaru EJ engine being tuned by STI. The highest output model of EJ25 ever produced, found in the 2019 STI S209, is capable of producing up to 341 horsepower at 6,400 rpm and 330 lb-ft of torque at 3,600 rpm. Additionally, there are alleged plans for a hybrid-powered WRX STI to be available in the next generation, although no official comment has been made by Subaru as of March 2023.
Future Developments
Subaru has hinted at the future of high-performance cars, with the anticipation of the next-generation WRX STI, which is expected to boast upwards of 400 horsepower. At the 2022 Tokyo Auto Salon, Subaru revealed two STI concept cars, including an all-electric Subaru E-RA with 1,100 horsepower and the Solterra EV with the STI treatment, demonstrating Subaru’s commitment to high-performance and innovation.
In summary, the STI in Subaru WRX STI represents Subaru Tecnica International, the division responsible for high-performance tuning and motorsport engineering, with a rich history of involvement in motorsport activities and a focus on pushing the boundaries of performance in Subaru vehicles.
Contents
Why did Subaru call it STI?
Subaru originally started the term STI, or Subaru Tecnica International, in 1988 to develop a worldwide image of competitive motorsports within the Subaru brand. Paired with PRODRIVE, a British motorsports company, the original STI was based on a Subaru Legacy.
Are Subaru STI rare?
The Subaru Impreza WRX STI 22B is one of the rarest creations from the company, a special two-door version developed during its successful run in the WRC in the mid-1990s. The company only built 425 globally and just five examples arrived in Australia – and this is one of them.
What is an STI vs WRX?
The WRX STI boasts a more powerful turbocharged engine compared to the standard WRX. It provides robust acceleration and a higher power output. Most importantly, the WRX STI is available with a manual transmission only, appealing to enthusiasts who enjoy a more engaged driving experience.
Why is Subaru STI discontinued?
One of the main reasons the STI was retired in the VB WRX is the adoption of the Subaru Global Platform, which was not engineered for the EJ, only using the FA and FB engines, of which STI does not produce a tuned variant of currently.
Why did Subaru discontinue the STI?
One of the main reasons the STI was retired in the VB WRX is the adoption of the Subaru Global Platform, which was not engineered for the EJ, only using the FA and FB engines, of which STI does not produce a tuned variant of currently.
What does STI mean in Subaru?
History. Subaru Tecnica International Inc. (STi) was established in 1988 by Fuji Heavy Industries to take over all of Subaru’s motorsport activities and participate in the World Rally Championship (WRC). Subaru was seen as one of the world’s top rally racing teams, but is no longer active at a factory level in the WRC.
Is STI faster than WRX?
The Subaru STI is the more powerful and performance-oriented of the two. It comes with a bigger engine, stiffer springs, thicker tires, more powerful brakes, and more.
How much horsepower does a Subaru STI have?
310 hp @ 6,000 rpm
Used 2021 Subaru WRX STI – Specs & Features
| Engine | |
|---|---|
| Base engine type | Gas |
| Horsepower | 310 hp @ 6,000 rpm |
| Torque | 290 lb-ft @ 4,000 rpm |
| Valves | 16 |
Why is a Subaru STI so fast?
Because it has a turbocharged engine, the WRX STI drives exhaust back into the cylinders as it runs. This technique increases engine pressure, forcing the pistons to move faster and produce more power.
Is a Subaru STI fast?
The Subaru WRX STI is capable of reaching high speeds, owing to its excellent performance to its powerful engine. The Subaru WRX STI has a top speed of 174 mph. On the other hand, the Subaru WRX model can only reach speeds of 159 mph.
