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Subaru broke its own Isle of Man record with a 550-hp WRX STI

Well, they did it. Subaru of America, Prodrive, and driver Mark Higgins set out to break their own record on the Isle of Man's Snaefell Mountain Course, and the attempt was a success. Higgins covered the 37-mile course in the 2016 WRX STI Time Attack car in 17 minutes, 35 seconds. That's an average speed of 128.73 mph. Average. In a car. Higgins set the previous record, 19:26 at 116.47 mph, in a more-stock STI. He and Subaru of America have been bringing cars to the site of the motorcycle race for years now, setting automotive records as all along, but this one is going to be pretty tough to top. Subaru Prodrive Isle of Man View 4 Photos It comes pretty close to the overall lap record for the course, which was set over the weekend by Michael Dunlop. The rider set a 16-minute, 58.254-second lap in the RST Superbike TT, averaging about 133 mph. The fact the Subaru comes so close to the best bike time is pretty amazing. This year's Isle of Man TT weekend was marked by the deaths of two riders. Fatalities are a regular occurrence at the historic race around the island, but it continues to be held year after year with hundreds of participants. Related Video: Featured Gallery 2016 Subaru WRX STI Time Attack Isle of Man View 22 Photos Motorsports Subaru

Subaru confirms 2015 WRX STI to grace Detroit show stand

Now that we've seen and driven the 2015 Subaru WRX, it's time to set our sights on the car's more powerful and traditionally massively winged counterpart: the STI. And while a few rumors about the new STI have already leaked, Subaru today confirmed that we'll be seeing the hotter 'Rex at the Detroit Auto Show later this month. Hot diggity.
Last we heard, the new STI will still use a turbocharged, 2.5-liter boxer-four (remember, the standard WRX uses a version of the 2.0-liter engine found in the Forester) producing something like 300 horsepower and 290 pound-feet of torque. What's more, don't expect the STI to hatch a five-door variant - Subaru recently told us that there are no plans to offer anything beyond a sedan bodystyle for both versions of the WRX. Sad trombone, we know.
That said, if our time with the 2015 WRX sedan is anything to go by, this new STI should be pretty rad. The new WRX is significantly sharper than the outgoing model (in terms of driving dynamics, anyway - it's still a pretty ugly little thing), and we fully expect the STI to be a bulgier, harsher, more powerful and aggressive version of the already awesome street-legal rally car. We're just hoping it will be offered with WRC-correct gold wheels, too.

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.