Stanley Subaru

22 Bar Harbor Road
Directions Ellsworth, ME 04605

  • Sales: (888) 461-3367
  • Service: (866) 709-4461
  • Parts: (888) 733-8249

The Smart Choice!


Compare 2015 Subaru WRX to 2015 Subaru WRX STi

2015 Subaru WRX
2015 Subaru STi

Executive summary:
For under $30,000, you can drive the Subaru WRX, a turbocharged, all-wheel-drive performance car, respected the world over.  If you have approximately $8,000 more, you can buy the STi--a WRX on steroids.  For the extra money, you get a bigger engine with more power, an even more sophisticated suspension, and many other upgrades.  The all-new 2015 models will arrive at Stanley Subaru in April, 2014. 

If you are one of the lucky 1,000 people to get their hands on the STi Launch Edition, the first production version of the 2015 Subaru WRX STi, you get these additional features:
  • WR Blue Pearl paint
  • Gold-painted BBS forged alloy wheels
  • Alcantara upholstery featuring blue and black leather bolsters and black stitching
  • Keyless Access & Start
  • STI short-throw shifter
Check out the Subaru Press Release and see photos and video of the 2015 WRX STi in action here.
Learn about the History of the Subaru WRX STi in a series of videos from Subaru Vintage Garage here.

Both the all-new 2015 WRX and STi have the following in common:  

  • New flat bottom steering wheel.
  • More interior space:  one-inch longer wheelbase and the A-pillars pushed forward eight inches.
  • Both are now available as sedan only.  Maybe the hatchback will return in the future.
  • Standard electronic torque vectoring.
  • Substantially more rigid chassis.

What are the differences?

2015 Subaru WRX
2015 Subaru STi

Engines and Power

Both use intercooled, four cylinder, turbocharged Boxer engines with direct fuel injection and Subaru Dual Active Valve Control System.  

268 horsepower 
258 lb.-ft torque


305 horsepower 
290 lb.-ft torque 



Six Speed

Sport Lineartronic CVT 
with stepped manual and 
automatic shift modes 
controlled with steering 
wheel paddle switches.  

Six Speed

Not available

0-60 Time and Top Speed

5.4 seconds
155mph (estimated)
    5.2 (estimated)

Rear Spoiler
Subaru says large wing on STi adds 3mph to top speed and increases stability at high speeds.


Not subtle


STi also gets huge 
Brembo brakes.

17" finished in black
18" finished in dark silver

Driver Controlled Center Differential

Rally drivers will appreciate controlling their fore/aft torque.  

not available, so no switch

Subaru Intelligent Drive (SI-DRIVE), a throttle management system, allows driver to choose from among three selectable modes: "Intelligent," "Sport" and "Sport Sharp." 

Available only on CVT 
version.  Switch is 
steering wheel mounted
 (not shown on this 
six speed).


Standard.  Switch found 
in center console with 
DCCD.  See close-up 
picture above.


Double Wishbone

trut with aluminum lower 
control arms

  Double wishbone, lateral link 
with pillowball bushings, 
20mm stabilizer bar

Inverted strut, aluminum L-arm 
with pillowball joint mounts,
24mm stabilizer bar

Dynamic Brochures

2015 WRX
2015 STi


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