2008 Subaru Impreza Wrx Sedan 4-door 2.5l on 2040-cars

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New Subaru Legacy may be getting smaller six-cylinder and sport models

Subaru gave the next-generation, 2015 Legacy a brand new, more sophisticated platform and improved interior at the Chicago Auto Show, but the engines were carried over barely changed from the previous gen. However, if a rumor from Car and Driver turns out to be true, then the power trains may be getting upgraded as well.
A source within Subaru indicates that the aging 3.6-liter flat-six might finally be getting a replacement in favor of a smaller, more powerful six-cylinder engine, and the four-cylinder may get direct injection. Both of them would be ready for the new Legacy's mid-cycle refresh in about three years, and they would likely be shared by new Outback too.
The turbocharged, GT trim has been absent from the US-market Legacy for the last few model years, but the insider hinted that it might make a return in the coming years. The new version would use the 2.0-liter turbocharged flat-four found in the Forester and the WRX. Though like the Forester, a turbocharged Legacy would likely only be available with the CVT.

Subaru WRX hatchback mule spotted

Despite on-again, off-again rumors, this latest set of spy shots seems to indicate that yes, a five-door Subaru WRX is indeed in the works. Subtlety is key with this test mule, but there are clear bits of evidence that indicate a hotter hatchback is what's being developed here.
First, notice the WRX-spec front fascia grafted onto this ordinary-looking Impreza hatch. From there, we can clearly see the tiny bit of added width - most obvious on the roof and at the rear, near the fuel door and taillamps. And of course, let's not forget about that bulge in the hood, consisting of a metal panel that covers the hood scoop and can apparently be removed thanks to a series of screws, according to our spies. The WRX's more robust exhaust and larger wheel/tire package have not been added to this mule, though we're told that this is commonplace for Subaru prototypes - those bits should be added on as the car's development progresses.
We fully expect a WRX hatchback to be, well, just that - mechanically, it should be identical to the sedan brethren, though our spies indicate that Subaru could be testing an updated version of the WRX-spec boxer engine. Of course, there's always a chance that this could be something else entirely, given the on-and-off reports of the five-door 'Rex's existence in the first place...

Toyota, Honda, Nissan and more collaborating to increase fuel efficiency

Toyota, Honda, Mazda, Nissan, Subaru, Mitsubishi, Suzuki and Daihatsu have announced an alliance that will see a push to improve fuel economy from both gas-powered and diesel-powered engines by as much as 30 percent before the end of the decade.
The newly assembled Research Association of Automotive Internal Combustion Engines put the roughly $20-million project together, with the Japanese government committing to half the cost while the eight manufacturers will chip in the rest.
According to Automotive News, the automakers will team up and share basic research on internal-combustion engines in a bid to cut costs. Eventually, the results of the research will find its way into a production vehicle, although it's unclear just when we'll see the fruits of this partnership on the road.