Subaru will use the British Auto Show to introduce three versions of it’s Impreza. Two of the cars are ready for production but the third, also the most powerful, will have to wait. All three models are being styled and engineered by Prodrive.

The WRX-S (in blue) gets 20 additional ponies - a total of 255 - and a simultaneous improvement in performance: dropping the 0-60 time from 6.1 to 5.5. The WRX-S is seperated from its lower sibling by a STI styling package (front grille, lip spoiler, rear wing, diffuser and side skirts) and 18×7.5 anthracite GT1 wheels fitted on 225/40 tires. The WRX-S might infact be the model that was leaked last week.

Up next, the Impreza WRX STI 330S (in silver/gray) packs the same Prodrive Performance package but includes a modified ECU and upgraded exhaust plus 90mm stainless steel exhaust tips. The ponies on this baby goes up from 298hp to 325, resulting in a 0-60 time of just 4.4 seconds. Asthetically the car gets five spoke 18×8.5 inch wheels on 245/40 tires. Inside you’ll get Recaro front seats, sat-nav and push-button start.

Subaru will also show the WRX STI 380S, but only as a concept. The officiandos are not ruling out the possibility of a production run just yet and refuse to release any hard details (or even pictures). What we do know though is that Prodrive has rebuilt the engine and modified the exhaust and ECU to pump out 375hp. The suspension and body kit have been upgraded too with a fitting set of gold or silver BBS wheels.

Expect to see the cars on North American shores next year. The full press release follows.

PRESS RELEASE

HIGH-PERFORMANCE HAT-TRICK FROM SUBARU

• Three new high-performance Special Edition Imprezas
• 255 PS Impreza WRX-S at £22,495 OTR
• 330 PS Impreza WRX STI 330S for around £30,000 OTR
• Ultimate 380 PS Impreza WRX STI 380S concept

Subaru has scored a high-performance hat-trick for the British International Motor Show with the launch of no less than three new Special Edition new-shape Impreza models – two of which can be seen at the show.

All receive Prodrive engine upgrades plus comfort and styling tweaks, giving enthusiasts an unprecedented choice of sporty Subarus.

The 255 PS Impreza WRX-S costs a highly-competitive £22,495 while the 330 PS Impreza WRX STI 330S will be priced at around £30,000 (both on-the-road). First deliveries are expected in September.

Still in concept stage is the 380 PS Impreza WRX STI 380S which could become available within the next six months pending positive customer response.

Visitors to the show (July 23 to August 3, ExCeL, London) can see both the STI 380S concept and the WRX-S on Subaru’s stand N23.

Impreza WRX-S Offers More Power And Style
Based on the new Impreza WRX, the ‘S’ model offers £4,500 worth of extras for a £2,500 premium, costing £22,495 OTR.

Banbury-based Prodrive has re-programmed the 2.5 litre ‘boxer’ engine’s ECU (electronic control unit) and modified the exhaust system. This sees power leap from 230 PS at 5,200 rpm to 255 PS at 5,400 rpm while the torque improvement is even greater, growing from 236 lb.ft at 2,800 rpm to 287.6 at 3,000 rpm – a staggering 51 lb. ft more.

Maximum speed remains at 130 mph but the 0-60 mph time drops from 6.1 seconds to 5.5 seconds. Naturally, in-gear flexibility is greatly enhanced.

The new Impreza WRX-S also boasts 18×7.5 ins anthracite GT1 alloy wheels with 225/40 tyres, an STI front grille, STI front lip spoiler and STI rear wing and body-colour tailgate moulding.

Also standard is a MOMO ‘Air-Race’ gearknob while the colour choice is between San Remo Red, WR Blue Mica, Obsidian Black Pearl and Satin White Pearl.

Standard equipment on the Impreza 2.5 WRX-S includes front and rear spoilers, side skirts, a rear diffuser, leather-covered steering wheel, all-wheel drive, a rear limited-slip differential with Subaru Vehicle Dynamics Control, 10-speaker, six-disc radio/CD player and xenon headlamps.

Impreza WRX STI 330S Brings Back The Burble
The new Impreza WRX STI 330S also benefits from a Prodrive Performance pack with modified ECU and exhaust system – this time with paired twin 90 mm diameter stainless steel exhaust pipes to bring back the burble so loved by ’scooby’ fans.

Power goes up to 330 PS at only 5,400 rpm compared to the 300.5 PS at 6,000 rpm of the standard model.

Torque is boosted from 300.2 lb ft at 4,000 rpm to 346.6 lb ft at a lower 3,400 rpm making for an even swifter, effortless driving experience.

Top speed is the same 155.3 mph but the 0-60 mph time drops from an already swift 4.8 seconds to only 4.4 seconds.

Expected to be priced at around £30,000 OTR, the new Impreza WRX STI 330S has an especially luxurious specification – even compared to the already well-equipped standard STI which costs £26,595 OTR.

Upgrades include leather-covered Recaro front seats, satellite navigation, Smart-entry and push-button start.

Visually, the new special-edition sports new five-spoke 18×8.5 ins alloy wheels wearing 245/40 R18 tyres. It will be available in the full range of STI colours.

Standard equipment on the Impreza WRX STI includes a six-speed gearbox, Si-Drive giving three different engine response modes, a Multi-mode Driver Control Centre Differential, Subaru Vehicle Dynamics Control and – of course – symmetrical all-wheel drive with front and rear limited-slip differentials.

Show-Stopping WRX STI 380S Concept
Sure to be a crowd-puller is Subaru’s range-topping special edition Impreza WRX STI 380S which previews at the London International Motor Show.

Dubbed a concept, the STI 380S could reach dealers within six months pending positive response. Its final specification will be finalised following customer input and will be hand-built to order.

The STI 380S will include a complete engine rebuild by Prodrive with many up-rated components to reliably achieve the target 380 PS.

Improvements over the standard Impreza WRX STI will include uprated suspension and exhaust system plus an enhanced body kit.

Other visual changes will be the option of either gold or silver-coloured 18×8.5 ins BBS alloy wheels with 245/40 tyres.