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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.

2015 Subaru WRX: Introduction

"As far as street-legal rally cars go, there's still nothing better than a WRX." I wrote that line following my first drive of the 2015 Subaru WRX late last year - one of the better motoring experiences I had in 2013. Sure, a particularly involving drive route helped, but I don't want to sell the new Subaru short: it's a seriously good car - easily one of the sharpest, best-driving little turbos available today.
When I drove the even hotter 2015 WRX STI in January, it was a similar love-fest. The STI is infused with all of the WRX's greatness, but it's sharper, meaner, and on good roads (and race tracks), the winged wonder is really outstanding. But because of its higher price tag, less forgiving suspension tuning, and only marginal performance increases, I'm convinced that the STI isn't the best WRX for the money. And much as I love it, I just don't think I'd ever buy the STI over its more sedate sister (though I totally understand why others might).
So when it came time to add a new long-term car to the Autoblog fleet, many votes were cast in favor of the WRX. There was a lot of debate about whether or not to get the standard version, or the mightier STI. But at the end of the day, my argument that the basic WRX is the better daily driver - nee, one of the best all-around, all-weather performers money can buy - carried the day.

Submit your questions for Autoblog Podcast #344 LIVE!

We're set to record Autoblog Podcast #344 tonight, joined by Doug DeMuro, author of Plays With Cars, formerly of Porsche Cars North America, and all-around swell guy. You can drop us your questions and comments via our Q&A module below, and we'll give them extra-diligent attention. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #344
BRZ STI?