The 2015 WRX STI’s power remains unchanged, packing the 2.5 liter turbocharged 4 cylinder boxer engine with 305 horsepower and 290 pound-feet of torque. Also unchanged in the STI is the six speed manual transmission as the only way to change the car’s gears. Because the powertrain remains essentially unchanged, zero to 60 mph acceleration can still happen in about 4.6 seconds as in the previous model.
The big changes to the STI lie in its handling. The STI has a stiffer chassis from the increased use of high-strength steel, which allows for faster response and quick turning. The AWD drivetrain is equipped with a center differential that allows for 41.59 torque split and is unique to this model.
Also, a new torque-vectoring system has been incorporated into the STI. Furthermore, the STI uses a rotary dial on the dash that allows the driver to select on of three powertrain modes, Intelligent, Sport and Sport Sharp.
The inside of the STI also has been upgraded with a flat bottomed steering wheel, Alcantara seats and a 4.3 inch LCD screen. Optional upgrades include leather seats, a moon roof and a Harmon/Kardon Stereo.
Huffines Subaru Denton is conveniently located at 5150 S Interstate 35E in Denton, Texas and has a wide variety of new and used cars. We would be happy to assist you in your search for a new vehicle or answer any questions you may have. We look forward to working for you!


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