2004 Subaru Impreza Wrx Sti 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 Viziv Performance STI Concept has us dreaming of a future WRX STI

Subaru has revealed the Viziv Performance STI Concept at the Tokyo Auto Salon, and it's pretty much what you would expect. It's very closely related to the Viziv Performance Concept from the Tokyo Auto Show last year, but it's been given a bevy of flashy STI parts to make it aggressive. Up front, a deep lip spoiler complements a redesigned front bumper that does away with the two outboard air intakes and opens up the center one. According to a Subaru designer, it improves the cooling and aerodynamics. Having the blocked-off intakes on each side with STI logos is also a nice throwback to old Impreza STI models that often had blank panels with the logo over the foglight openings. Around the side are side skirts, and at the back are small extensions to the same diffuser from the earlier Viziv concept. And of course, there's a massive wing at the back. What's interesting is how much of the normal Viziv remains under the STI logos, decals and wings. The fenders look nearly untouched, and the hood scoop is the same size and shape as the standard concept. Even the exhaust, taillights and headlights are all the same. Then again, between the production WRX and WRX STI, the only real visible differences are the rear wing, wheels and front spoiler. And, if the Viziv Performance concepts preview future WRX and STI models, following that model makes sense. Of course the big differences between WRX and STI models are under the skin. Unfortunately, Subaru doesn't reveal a thing about what hypothetical powertrain is under this STI. Maybe we shouldn't be so surprised though, since the company didn't say anything about the regular one either. Only the use of a flat-four and all-wheel drive are certain. For that matter, even the styling isn't truly certain. While we can hope that the next WRX and WRX STI have the muscular look of these concepts, we have reason to be skeptical. But instead of getting cynical and sad, let's just enjoy this for what it is: a cool STI concept. Related Video:

Subaru explains why it chose not to turbocharge the new 2022 BRZ

Enthusiasts hoping the second-generation Subaru BRZ would break cover with a turbocharged engine were sorely disappointed. Unveiled this week, it receives a bigger engine that delivers more horsepower and torque, but it remains naturally aspirated. Subaru explained why its engineers ruled out adopting forced induction. Power for the BRZ comes from a 2.4-liter flat-four that's related to the engine found in the Ascent, but the turbo didn't make the leap from the crossover to the coupe due to weight, packaging, and cost restrictions. Dominick Infante, the head of Subaru's public relations team, told Road & Track that turbocharging the BRZ would have required mounting the engine higher, which would have compromised handling by raising the center of gravity. Going turbo would have made the BRZ heavier, too. Although the actual turbocharger doesn't add a significant amount of weight, the mass of the related components (like the intercooler, various pipes, and so on) piles up. And, inevitably, incorporating these parts would have forced Subaru to increase the model's price. With a turbo, the BRZ would be heavier, more expensive, and not as balanced in the name of extra horsepower, and that's not its calling in life. It's marketed as a reasonably light, fairly affordable, and highly balanced machine. One interesting point few have brought up is that the BRZ's engine will almost certainly power the next Toyota 86, and its horsepower output stands within striking distance of the Toyota Supra's four-cylinder. The 2.4-liter develops 228 horsepower and 184 pound-feet of torque, while the Supra's entry-level 2.0-liter is rated at 255 and 295, respectively. Adding a turbo would risk bumping the BRZ's horsepower figure over the 255 mark, which would look bad, since that's the metric many buyers use to judge a performance car. Alternatively, going through the trouble of turbocharging the engine to cap its output at 245, for example, would be a colossal waste of time. We'd be surprised if the BRZ goes turbo later in the 2020s, but look on the bright side. At least it exists — rumors claimed the first-generation model would retire without a successor, and they were moderately credible. And at least it will be sold in America; Subaru confirmed the coupe will not be available on the European market. Related Video: