Wednesday, July 5, 2017

2018 WRX STI Changes

The 2018 WRX STI, hitting showrooms in July of 2017, has a few changes for it's following of enthusiasts to enjoy before the complete redesign in 2020.  Built on the platform that came out as a 2015 model, the new 2018 brings some extra bits to make this the best of the "last dinosaur": the EJ257.

Factory Recaro front seats (optional on the base STI and standard on the Limited) bring some stiffer bolstering to the cabin, along with more Pino Black accents all around.  A new top 5.9 inch screen reads out vehicle information (boost, fuel economy, etc) and combines it with the climate control display that was previously separate.

In keeping with the "Best performing STI ever" claims, this latest version features 6-Piston Brembo front calipers and drilled brake disks bring more stopping power to the STI, along with a revised inverted strut suspension all around.  These calipers are surrounded by massive 19-inch wheels wrapped in Yokohama Advan Summer Performance Tires.  Power remains the same, although a Type RA version coming later has a slight bump to 310 horses.

An odd omission to the 2018 STI is Fog Lights.  These have been standard on the STI for awhile, but earlier models did leave these out in favor of "covers" on the front bumper.  Much like the styling of the Focus RS and the Civic Si and Type R, the 2018 WRX STI has large vents or "intakes" covering these spots.

While these have been claimed to be "brake cooling" ducts, this is likely not the case.  Most of the vent is purely cosmetic, with only the lower corner of each actually has an opening with small duct work that pushes air up into the inside of the bumper cover.  The space the air is being pushed through is where the bumper would've had Fog Lights on it.  There aren't any changes inside the wheel well or engine compartment to make use of this air being funneled in to make use of these ducts, either.  Because there are no openings within the wheel well that could channel air from these ducts to the brakes, there's no chance for them to do any sort of cooling for the 6-Piston Brembo brakes.

The new LED Headlights also have the High-Beam function built within them unlike the Halogen High Beams having a separate housing on the previous version.  The Turn Signal now occupies the area where the High Beam once was, giving the front end a cleaner, more aggressive look.

As I've mentioned before, this new STI is the last time we'll see the older engine under the hood.  The next revision for the STI will come riding on the new Subaru Global Platform and the FA-series Direct-Injected Boxer engine.  The 2018 and 2019 WRX STI is the last of the EJ-breed.

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