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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

2017 Infiniti QX30 brings style in a small package to LA

There are already no shortage of luxurious compact crossovers on the market, like the Lexus NX and Mercedes-Benz GLA-Class. Infiniti clearly sees room for growth with the debut of the production QX30 at the Los Angeles Auto Show. The highly sculpted CUV arrives next year to offer another stylish entry in the segment. The production QX30 clearly adapts the swoopy concept's design from the Geneva Motor Show, but the designers soften things slightly. The kinked C-pillar comes straight from the earlier shape, and the arching character line now runs through both door handles along the side. Narrow lights at the front and rear also give the CUV a sporty look. Inside, leather and metallic trim abound, and the infotainment system sits high on the center stack. The QX30 will be available with diesel and gasoline engines, depending on the market, but the 2.0t on the fender here suggests this one uses the turbocharged unit from its Q30 hatchback sibling with 208 horsepower and 258 pound-feet of torque. A seven-speed dual clutch gearbox is standard on the CUV, and an all-wheel-drive system can send up to 50-percent of the power to the rear wheels as necessary. Infiniti hopes young buyers gravitate toward the model's bold shape when the QX30 goes on sale. LA seems like the perfect place to catch the eye of these potential customers. Infiniti QX30: A premium active crossover for all purposes • QX30 debuts as a new premium offering for global markets • Combines crossover appearance with signature Infiniti design cues • Delivers a confident drive and versatile attitude, aided by intelligent all-wheel drive • Intuitive technologies enhance safety, comfort and convenience • Part of first Infiniti production in Europe, at new facilities in Sunderland, UK • Simultaneous world premieres at Los Angeles and Guangzhou motor shows HONG KONG – The Infiniti QX30 premium active crossover is making its simultaneous global debut at the 2015 Los Angeles and Guangzhou international motor shows – signalling the next phase of the company's global growth strategy. Created for a new generation of premium buyers who appreciate category-defying design inside and out, the QX30 boasts a purposeful appearance that makes a bold visual statement as part of Infiniti's premium model line-up.

2019 Infiniti QX50 vs. compact luxury SUV rivals: How they compare

With apologies to the EX35, or whatever it was eventually renamed, Infiniti has been without a proper, competitive entry in the compact luxury SUV segment. You know, the segment that's growing faster in sales and entries than any other? To say the 2019 Infiniti QX50 is long awaited would therefore be an understatement. At first glance and drive, the new QX50 would indeed seem to be wildly more competitive than its predecessor, which come to think of it, was eventually called the QX50 as well. This one is based on an all-new front-wheel-drive platform, and although it lacks the inherent verve of the old, rear-drive- and 370Z-based one, the resulting increase in cabin space should be a welcome tradeoff. In fact, as you'll see below, the QX50 has gone from one of the smallest compact SUVs to the most spacious. How does it stack up in every other way? Say, against the segment's four best-selling entries last year: the 2018 Lexus NX 300, 2018 Acura RDX, 2018 Audi Q5 and 2018 BMW X3. On paper at least, really well as it turns out. Let's go to the spreadsheet! Discover and compare other luxury crossovers with our Car Finder and Compare tools. Comparing engines, drivetrains and transmissions With the exception of the Acura, all of the contenders come with 2.0-liter turbocharged four-cylinder engines. As you can see, the Infiniti is the heavyweight amongst the four-bangers, boasting the most horsepower and torque. The Acura V6 nips it by 11 hp, but the QX50 is still the overall torque champ. Plus, as we documented in the QX50 first drive, the Infiniti's new VC-Turbo engine is also the most technologically advanced. The Lexus is the wimp of the group and is also the second-heaviest, which isn't exactly the ideal scenario. The Infiniti is the only one in the group to feature a continuously variable transmission. That's not going to generate much applause around here. The BMW tops the gear count with eight, while the Audi is the only entry with a dual-clutch automated manual. The Acura and Lexus have only six gears, but they're good transmissions and it's not like their fuel economy is off the pace. The Audi and BMW come standard with all-wheel drive, while the others offer a choice of front- or all-wheel drive. Comparing cargo and interior space The new front-wheel-drive platform is paying dividends inside for the 2019 QX50, as it now boasts the most maximum cargo space at 65.1 cubic feet.