2011 Subaru Impreza WRX STI Road Test

1 Nov 2014 | Author: | Comments Off on 2011 Subaru Impreza WRX STI Road Test

2011 Subaru Impreza WRX STI

2011 Subaru Impreza WRX STI Test Video

What to the STI?

Published: 11/05/2010 by Josh Jacquot. Senior

Remember the raw, visceral, Subaru Impreza WRX STI? The STI that was an challenge for Mitsubishi’s Lancer

The STI that was both fast and to drive? The STI that took track drivers all straight and late turn-in and dirtied up with ditch hooks, flicks and handbrake turns? that car?

Well, you probably won’t like

It’s been emasculated.

And by we mean made slower. You with the 2011 Subaru WRX Subaru promised a car that distinctly separate itself the base WRX. And now the gap has officially

When we last tested WRX STI back in 2009. it hit 60 mph in 5.2 seconds and through the quarter-mile in 13.5 at 101.8 mph. In this conducted in ideal conditions and the same driver behind the the 2011 STI hit 60 in 5.5 seconds and whimpered the quarter-mile in 13.8 seconds at mph.

Confounding the problem the 2011 Subaru WRX STI uses the engine rated at the same as the earlier car, its gear and final-drive ratio are the same and it significantly heavier. What’s this performance is actually in the quarter-mile than the 2011 WRX we in September.

What’s the Same

are no real powertrain changes to Under the hood is the same turbocharged flat four-cylinder that’s powered the car since its Yes, there have modest changes to its power, and redline along the way, but nothing new to say about the powertrain for (at least that Subaru admit).

It’s rated at 305 horsepower and 290 of torque and it’s backed by the six-speed manual transmission, in case you forgot, feeds to all four wheels.

Subaru’s Controlled Center Differential, utilizes both a mechanical gear-type) differential and an electronically clutch to distribute torque, is present. So are helical front and rear limited-slip differentials.

STI is also fitted with the infuriating SI-Drive, Subaru’s of tweaking throttle response to its driver’s needs. The system, provides barely adequate even in its most eager (Sport Sharp), which be engaged every time the key is cycled.

What’s Different

We once had a college professor who shared idea with us: A difference, to be a has to make a difference. He was right.

we’re not sure Subaru’s to the 2011 Subaru WRX STI make a After our first drive of the car in last summer we wrote the suspension changes are subtle but Truth is, however, that the only truly register in situations and they don’t a significant improvement in our instrumented

Still, underneath, they are Replacing the previously rubberized mount on both front control arms is a heim (pillow-ball mount if you’re which reduces deflection at pivot. This, claims increases steering control at load.

Stiffer bushings supporting the subframe are also new. height is lowered by 10mm, rates are up 15.6 percent in the and 53 percent in the rear and antiroll on both ends are thicker.

a comprehensive redo that register a more significant The same Dunlop SP Sport 600 sized 245/4018 are fitted to (4.4 pounds per corner) BBS wheels.

The Experience

As with all-wheel drivers, 1st gear is too fast to make any useful In 2nd gear, however, acceleration suspiciously off pace and by the time 3rd there’s a distinct sense all the horses haven’t shown up to the

Handling is a mixed bag. We can the impressive ride/handling balance has achieved, as the increase in spring hasn’t translated into a increase in ride frequency. And are undeniably instances where steering corrections are needed to a line, which is likely a of the heim-jointed lower control

But, honestly, the differences as a are small enough that those intimately familiar the current STI will notice.

we found the car capable even at its ride height of tackling roads (including gravel) so much as a wimper. Blast through a washboard-riddled turn and the chassis doesn’t even hard. Our test car also repeated powertrain-abusing launches as we to match previous test

The Numbers

The history of WRX STI tests in the last three years at Line is a narrative of diminished Our first full test of the STI proved the car capable of outpacing the car it

But then things began to Our long-term STI, which with us for more than a accelerated quicker at the end of its loan it had at the beginning (the best from its two tests are below). car was 0.3 second quicker to 60 mph and 0.3 second in the quarter-mile than this model.

Perhaps most is the fact that over the of these three STI tests we trap speed drop by 5 mph in cars that differed in by only 57 pounds. The only explanation for this reduced is a loss of power.

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