Subaru Cosworth Impreza STI CS400: Official Photos of 400HP-Strong Limited Edition

The first official photos [high-res] of the hotly anticipated Cosworth edition of the Subaru Impreza WRX STI hatchback are out in the open. Set to go on sale in this June in the UK only and in a limited-run of just 75 units, the Cosworth Impreza STI CS400 promises to bring supercar-like performance figures to the hot hatch segment.

Starting with the Impreza STI's 2.5-liter boxer unit, Cosworth's engineers installed new high-performance pistons, connecting rods, head gasket and bearings. The tune-up also includes a remapped ECU, modified turbocharger and wastegate, and a custom exhaust system.

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Subaru Impreza P1 Coupe Owners Celebrate 10th Anniversary

The first and only Subaru road car to bear the Prodrive name, the Impreza P1 coupe, is ten this year. To commemorate the event, 100 owners of the Impreza P1 made their way to Prodrive's headquarters at Banbury on Sunday 9 May. They were joined by some 300 owners of various Subaru Imprezas and more than 1,000 fans of the brand.

Considered by many as one of the most sought after limited edition Imprezas, the P1 was developed as a joint venture between Subaru UK, the Japanese firm's STI division and Prodrive, which was responsible for the automaker's WRC cars.

Based on the Japanese market Impreza Coupe, the P1 had significant enhancements engineered by Prodrive to the suspension, drivetrain, trim and aerodynamics.

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SPIED: 2011 Subaru Impreza WRX STI Spec C Sedan Scooped at the 'Ring

The new 2011 Subaru Impreza WRX STI sedan was officially revealed at the New York Auto Show earlier this month, but our spy photographers have captured the Japanese maker's big-winged saloon testing at the Nurburgring.

At a first glance, it appears that the car is nothing more than the European specification version of the high-performance sedan.

However, a closer look reveals small but important differences clearly suggesting that the STI seen here may very well be a prototype for a limited edition Spec C model.

These include the blacked out alloy wheels, gold colored brake calipers (quite possibly "brembo"), fog lamp covers and the front lip spoiler, all of which were not shown on the New York Show car but are standout features on the JDM Impreza STI Spec C hatchback (see here).

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Subaru Impreza WRX STI Spec C Homologated for FIA Group N

Subaru may have pulled the plug on its World Rally Championship team run by Prodrive at the end of 2008, but the Japanese carmaker is trying to keep a connection with the sport.

Today, the automaker announced that its Japanese market Impreza WRX STI spec C successfully completed the vehicle homologation process and received the official Group N Homologation certificate from FIA.

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NY Show: Subaru Revises 2011 Impreza STI and Presents New Four-Door Sedan Variant

[Updated with 'live' pics from the show] For the first time ever, Subaru is offering its top-of-the-line Impreza WRX STI in two body styles with the return of the four-door saloon model that's aimed directly at the Mitsubishi Lancer EVO X.

In addition to the new sedan model that's distinguished by a large rear wing, the 2011 Impreza WRX STI features a series of improvements including revised suspension tuning, lighter 18-inch wheels and cosmetic tweaks.

Up front, the revised Impreza WRX STI hatchback gets sharpened bumper corners and wider, blacked-out fog lamp nacelles, a newly designed front grille with black base and blacked-out wing highlights.

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Wide-body 2011 Subaru Impreza WRX Sedan and Hatch Live from New York

Subaru is closing the styling gap between the Impreza WRX and STI models with the release of the wide-body 2011 Impreza WRX sedan and hatchback that had their world premiere today at the New York auto show.

By adopting the styling lines of the high-performance STI with the wider body look, including a wide track front and rear as well as beefier 17-inch alloys and 235/45R17 tires, the 2011 Impreza WRX boasts a more aggressive road presence than its predecessor.

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New Subaru Impreza STI Cosworth CS400 with 400HP: First Photos and Details

Subaru has finally released initial details as well as a set of teaser photos of its highly anticipated collaboration with famed engine-builder Cosworth. The special edition model is called the Cosworth Impreza STI CS400 and it will go on sale in the UK (or Europe, Subaru didn't clarify) this June in a limited run of just 75 examples.

The Japanese automaker said that Cosworth has fine-tuned the standard Impreza WRX STI's 2.5-liter turbocharged four-cylinder engine, boosting output from 300HP at 6,000 rpm to 400HP at 5,750 rpm.

The result is a supercar-like 0 to 100km/h (62mp) sprint time of just 3.7 seconds. That's compared to the stock Impreza WRX STI's time of 5.2 seconds.

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Winged Subaru Impreza STI to Debut at New York Auto Show

Apparently, Subaru is in a teasing mode these days. Enjoy one of the shortest press releases ever: "The wing is back! Exclusive world debut at the New York International Auto Show." The Japanese automaker accompanied the statement with a single photo of a covered-up Impreza WRX STI with a jumbo-size rear wing.

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