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Subaru WRX and STI meet at the dyno with interesting results

Road and Track recently put the 2015 Subaru WRX and the 2015 WRX STI through a battery of dyno tests to find out not only how much difference there is between their two engines, but what kind of differences there are. The WRX gets the company's new FA20 2.0-liter boxer four-cylinder engine with features like a twin-scroll turbocharger, direct injection and variable valve timing on its two cams. The WRX STI stands pat with the older EJ-Series motor, meaning a 2.5-liter boxer four-cylinder with port fuel injection and carryover turbo lag. Subaru pegs the $26,295 WRX at 268 horsepower, 258 pound-feet of torque and an "extremely conservative" 0-60 mile per hour time of 5.4 seconds. The $34,495 STI clocks in at 305 hp and 290 lb-ft with a 0-60 mph time of 5.1 seconds. Ok, fight.
R&T's dyno runs sussed power numbers at the wheel of 223 hp and 245 lb-ft for the WRX, 247 hp and 243 lb-ft for the STI, then went on to demonstrate in numbers what everyone knew: that the WRX consistently puts out more of its torque earlier than the STI and achieves full boost almost three seconds quicker. On the other hand, on the track, the STI was also shown to have a conservative official 0-60 mph time, stopping the timer at 4.8 seconds compared to the WRX's 5.2 seconds.
The mag says it has comprehensive results coming from its "complete battery of tests," but for now, you can scrutinize their dyno charts and let the battle continue about which one you'd rather put your money down for.

Subaru reveals the US-bound WRX STI Type RA and BRZ tS

Subaru has finally revealed the US-bound WRX STI Type RA and BRZ tS, a pair of redressed and slightly better performing versions of the standard models. Despite the big wing, lightweight wheels, and upgrades suspension, those hoping for changes under the hood will be severely disappointed. The WRX STI gets a slight bump to 310 horsepower while output on the BRZ remains unchanged. That should come as no surprise, as the car is essentially the same one we drove two years ago in Japan. The WRX STI Type RA stands for "record attempt." The first RA was named for a Subaru Legacy that broke the FIA World Speed Endurance Record by clocking over 62,000 miles in 18 days, setting a top speed of 138 mph. This new model is named for the upcoming WRX STI Type RA NBR Special race car that will attempt a Nurburgring record sometime this summer. The WRX STI Type RA is lighter and more robust than the standard model thanks to a host of upgrades. The car gets a carbon fiber roof, a carbon fiber rear spoiler, and lightweight BBS 19-inch forged alloy wheels with 245/35R19 Yokohama Advan Sports tires. The spare tire has also been removed. While the engine only gets a mild power bump thanks to a new cold air intake and new exhaust, a retuned ECU, new pistons, and a revised third-gear ratio and short shifter should make the car feel much quicker than before. Aside from the carbon fiber roof and rear wing, there are a number of visual upgrades that set the car apart. There are red Cherry Blossom accents all along the bottom and a plethora of STI badges on the wing, mirrors, and bumpers. More STI logos can be found inside on the new Recaro seats. A plaque inside shows only 500 Type RAs will be made. It's a similar story with the BRZ tS. The acronym stands for "tuned by STI," implying it's not the full treatment like the WRX STI. That still leaves us wondering about these spy photos that show a similar looking car with real STI logos. We'll have to wait and see if anything emerges from that. The BRZ tS gets front and rear SACHS dampers and coil springs and flexible V-braces in the engine compartment. For the first time, the BRZ will come with 18-inch wheels, ditching the low-rolling resistance tires for a set of sticky 215/40 R 18 Michelin Pilot Sport 4 tires, aided by Brembo brakes at all four corners. Visual upgrades are similar to the WRX STI Type RA.

Subaru to return to Isle of Man with 2015 WRX STI hoping to set new record [w/videos]

This is what it looked like when Mark Higgins set the lap record at the 37.75-mile TT Mountain Course on the Isle of Man in 2011 in a Subaru WRX STI. And it will probably look much the same when Higgins returns to the chunk of land in the Irish Sea to with the aim of breaking his record, set at an average speed of 115.36 miles per hour, but he'll do so in a 2015 WRX STI. As in 2011, he'll drive a mostly stock US sedan fitted with a roll cage, race harness, fire suppression system and upgraded springs and dampers. We're sure he'll be hoping to avoid a repeat of "The biggest moment of my life," though. There's a press release below with more information on the coming attempt, including dates, and we've included a video of that "moment" as well as one of the whole record run. Godspeed, Mr. Higgins. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. SUBARU TO DEBUT NEW 2015 WRX STI AT THE ISLE OF MAN TT COURSE AND ATTEMPT NEW FASTEST LAP Thursday 17th April 2014 -- Subaru of America, Inc. announced today that Subaru will return to the fabled Isle of Man TT Races and attempt to beat its own fastest car lap time. The current record of 115.36mph for the iconic 37 3/4 mile TT Mountain Course was set three years ago by Mark Higgins in a (2011) Subaru WRX STI. Higgins will return to drive the new 2015 Subaru WRX STI. The car Higgins will drive is a stock U.S.-spec 2015 WRX STI, with the exception of a roll-cage, race harness, fire suppression system and modified springs and dampers to handle the sustained high speeds of the course. Subaru will also return as a partner with the Isle of Man, renewing its sponsorship of the race. "We are very excited to return for another attempt of the TT course and to be the official car of the TT," said Dominick Infante, National Manager of Product Communications, Subaru of America, Inc. "The Isle of Man is paradise for anyone who appreciates motorsport and there is nothing like the TT road course anywhere else." In his previous attempt on the course, Higgins created one of the most memorable race videos when he had a self-described "moment" at the bottom of Bray Hill at 150 MPH. The video has received almost 10 million views via various media outlets.