A new updated Direct Injection Turbo (DIT) Boxer engine
Fans aren’t interested in a new 2020 Subaru WRX STI with an outdated engine like the aging EJ25 2.5-liter powerplant. While the internals have been upgraded, the STI’s EJ25 has just 5 more horsepower than the model that was first introduced in the U.S. in 2004. Subaru will update the boxer engine, we just don’t know what will be under the hood scoop yet.
A new updated Direct Injection Turbo (DIT) FA20 2.0-liter boxer engine is an option and would get fans excited again. Subaru Tecnica International could easily upgrade the internals, bump up the horsepower (315+) and torque (300 lb. ft) and even improve fuel mileage over the outgoing EJ25 boxer. We know it’s coming with a more rigid frame, so more hp and torque won’t be a problem. Subaru is also working on bringing out a plug-in-hybrid model in the future, and a new smaller DIT boxer could be fitted to the electric motor.
New exterior design
The all-new fifth-generation Subaru WRX STI needs a new exterior design language similar to the VIZIV Performance Concept car introduced at the Tokyo Motor Show. Subaru is great at teasing concepts that are off the chain, and then delivering something very generic for the actual production car. Of course the final production model won’t look exactly like the concept, but it gives performance enthusiasts a good idea of what the designers at Subaru Corporation have in mind for the future direction of the new performance model. Subaru needs to get more aggressive with the new 2020 design.
Hatchback body style
We’ve covered bringing back the 5-Door hatch to the WRX STI since it was dropped in 2015, and some fans still want it. Subaru fans want the hatch body style for its greater utility and cargo-carrying ability. The new-generation STI could also use a hatch body style to compete with the new Honda Civic Type R, and Volkswagen Golf R hot hatches. It does have its place in the WRX STI lineup and would make many fans happy.
Why even mention a Subaru WRX STI without all-wheel-drive? Exactly. It’s a core value for Subaru and it should never go away for the WRX STI performance car. It’s in the DNA of the STI and it’s what makes the car a great performer in dirt, snow and extreme low-friction environments. Owners who live in cold weather climates use their performance car all year long at you won’t find it sitting in the garage until spring. Look for Subaru to make improvements to the WRX STI Symmetrical AWD hardware in the new car.
New Subaru Global Platform
Subaru’s new Subaru Global Platform (SGP) will make a huge difference, and the 2020 Subaru WRX STI will get new underpinnings. It will ride on the new SGP like Crosstrek and Impreza when they received their new-model upgrades. The new WRX STI will get a more rigid architecture, have an even lower center of gravity, and it could be lighter with the use of carbon fiber parts in the bumpers, fenders, and roof, and the SGP will give it improved driving dynamics.
Of course this isn’t an exhaustive list of upgrades for the all-new fifth-generation 2020 Subaru WRX STI. It will also need upgrades in the interior, high-tech features and safety equipment.
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Photo credit: Subaru Global at the Tokyo Motor Show