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Nissan previews new Sport Sedan Concept ahead of Detroit debut

When the Cobo Center opens its doors in a couple of weeks for the Detroit Auto Show, there'll be plenty of new metal on display - and this is the latest.
Nissan announced today that it will bring a new Sport Sedan Concept to the Detroit show, releasing the short statement below accompanied by the teaser image above. Expected to hint at the next Maxima, the concept "previews a new energetic design direction that amplifies Nissan's legendary approach of applying sports car principles to a sedan."
That's about all Nissan is saying for now, so we'll have to wait a while longer to find out more. But the concept will be joined on the show floor by the IDx Freeflow and IDx Nismo concepts that'll be showcased for the first time in North American after their debut at the Tokyo Motor Show over a month ago.

A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show

Nissan teases Sao Paolo CUV concept, production future likely

Back in 2012 at Brazil's São Paulo Motor Show, Nissan showed off an angular subcompact crossover concept, Extrem, that seemed to to portend the future of the Nissan Juke. Now, the Japanese automaker is teasing an as-yet-unnamed CUV concept for this year's show. The new showcar, set for an October 28 unveiling, is expected to be a closer-to-production version of the Extrem ethos.
Why should we care? Autoblog has reason to believe that this vehicle is under consideration for global distribution. The production Extrem - or whatever it ends up being called - is likely to be positioned size-wise in between the Juke and the recently upsized Rogue, offering more space and still-adventuresome styling, yet at a less expensive price. If accurate, that sounds like the production model will be a fair bit larger than the conceptual Xtrem, which was built atop a modified version of Nissan's V-platform, a model that underpins its March supermini (and speaking of the March, Nissan has also teased what looks to be a sporty concept version of it for the Brazilian show, too).
It's important to note that Nissan already has a bustling small CUV portfolio globally, what with its popular Qashqai / X-Trail models in markets beyond ours. There continues to be persistent rumors that Nissan is considering bringing over the Qashqai, as well, a model seemingly already quite close in size and execution to the Rogue. Despite this, Nissan has shown no hesitation in exploring every niche of the burgeoning CUV market, and while not every derivative has been a success, models like the Juke have rewarded the company's bravery with handsome sales.