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2015 Subaru WRX / STI

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Impreza STi to go diesel
The Evo’s old rival, Subaru’s Impreza STi, is also set to offer a diesel model in its next generation — but it’s still likely to have a petrol-powered variant too.

Due in 2012, the next-gen STi will get an enhanced version of the 2.0-litre turbodiesel offered in the current Impreza. Its flat four layout should make it easier for Subaru to maintain the STi’s reputation for fine handling, while delivering better fuel economy.

Subaru isn’t about to drop turbocharged petrol engines just yet, though. Insiders say a downsized four-cylinder petrol unit, possibly based on the 1.5-litre flat four that powers base-model Imprezas, is under consideration.

Subaru is one step behind Mitsubishi on the hybrid front, though. Although the company has this technology planned for the hot Impreza, it’s unlikely to appear until at least halfway through the next-gen model’s lifecycle.

As with the Evo, the Impreza’s revisions will mean a shake-up of the car’s motorsport activities. Instead of rallying, the Impreza is likely to switch to circuit racing.
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How is that more aggressive? It looks 10x softer in the front.
Jon Sibal has bad ass skills. Also has a sweet M3.
Subaru separates Impreza from WRX & STI
By Alborz Fallah | April 26th, 2011

With the launch of the fourth generation Subaru Impreza, the Japanese company will separate the Impreza model from the WRX and STI variants. Whilst the new 2012 Subaru Impreza naturally aspirated models will go on sale as soon as supply production from Japan is sorted, the WRX and STI variants will continue to be sold in the third generation shape for the forceable future.

We believe the main reason is to create differentiation between the two models so that the WRX and STI variants can earn their status as unique sport models and not just halo models for the Impreza.


The other reason is the new 2.0-litre boxer engine (pictured above), which Subaru currently has no plans to turbocharge. This means the EJ25 turbocharged engine (pictured below) currently in the WRX, STI, Forester XT/S-Edition and Liberty, is going to last a while longer before a replacement is found. The EJ design architecture is now over 20 years old but has been extensively modernised over the years and can still keep up and even outdo its competitors.

Speaking to CarAdvice in New York, Subaru’s Impreza Product General Manager, Mr Akihide Takeuchi, said work on the replacement turbocharged engine has commenced but would not give any further details. He did confirm that it will not be based on the EJ25 and will not simply be a turbocharged version of the new boxer engine.

He said that the new boxer engine was designed with fuel efficiency and performance in naturally-aspirated application as top priority, making its design architecture less suitable for a turbocharger.

Mr Takeuchi said that a decision on the future platform of the WRX and STI was due very soon. Talk of separation between the Impreza and its sport derivatives makes us wonder if we might see a two-door WRX/STI model in the future.

On the surface this may sound like bad news for WRX/STI fans but it can indeed mean that future models will be built from the ground up to be sports cars as oppose to just being an Impreza with performance bits.

In related news, talk of a hybrid Impreza is still on-going with Mr Takeuchi admitting that “hybrid is very important” as his company continues to study the technology for viability.

Perhaps the next generation Impreza WRX/STI models will be turbocharged hybrids? Only time will tell. Let us know if you’d love to own a two-door WRX/STI!
An all new engine, all new car built from the ground up. The next WRX/STi is going to be epic!!

Who thinks the new NA boxer engine will be the engine for the FT-86?
It says its been optimised for NA performance and fuel efficiency. I am 95% sure it will be the engine.
To bring back the Sti coupe would be awesome news.
Good move, was the logical step to take after the extra work that went into the shared engine.
lol cvt in a sports car? Terrible.
Hope they don't back ouT on making it an all new model.
I looks pretty clean, but absolutely huge.
That roof line and all the proportions look terrible.
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