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New details emerge on Inifiniti QX50’s unique new variable-compression engine

Infiniti will release the world's first production variable-compression engine when it releases the 2019 QX50 midsize SUV sometime next year. Now we have some new details on the innovative new engine, which Infiniti is calling VC-T, for Variable Compression Turbo, after the luxury brand offered a prototype test drive. We wrote extensively about the complicated technology underpinning the new engine last year. It's the latest novel development that could represent a range-extender, if you will, for the embattled internal combustion engine in an era when automakers and governments are shifting their focus to electric vehicles. The VC-T is a new inline-four, 2.0-liter that combines the power of a high-performance turbo gasoline engine with the torque and efficiency of an advanced diesel engine, but without the latter's notorious emissions. It features the ability to seamlessly raise or lower the stroke of the pistons in the combustion chamber, depending on the driving conditions it detects and inputs from the driver, to select the best compression ratio—anywhere between 8:1, typical for high-performance engines, and 14:1 for high efficiency. In essence, it delivers the performance of a V6 but is much more efficient, with improved fuel efficiency of between 10 to 15 percent with its best competitors, per Car and Driver. You can view how it works in motion via the video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. It's also quieter, more lightweight and compact than V6 engines with comparable power outputs, estimated at 268 horsepower and 288 pound-feet of torque. In a prototype test drive, Car and Driver writes that the engine "felt very conventional" and responsive, with strong and smooth acceleration. "The only indication you have that the compression ratio is changing is from an indicator in the instrument cluster next to the boost gauge." The engine is expected to deliver fuel economy gains of 27 percent in combined city-highway EPA rating over the outgoing QX50, which had a 3.7-liter V6. The 2019 model, fitted with the VC-T, should get about 26 mpg in combined fuel economy, and it will get to 60 mph almost one second faster than its four-cylinder counterparts, Nissan's chief powertrain engineer, Shinichi Kiga, told Automotive News. The VC-T engine is the result of 20 years of development spanning more than 100 prototypes and around 300 patents at Nissan.

Production Infiniti QX30 coming to LA Auto Show

Infiniti showed its QX30 small crossover in concept form at this year's Geneva Motor Show, and now, we've got confirmation that the production car will debut in Los Angeles. But this is just one of some 30 global reveals that will take place at the LA Auto Show this November. The QX30 will be a higher-riding version of the new Q30 hatchback that we'll see in Frankfurt later this month. And since the Q30 shares a lot of its underpinnings with the Mercedes-Benz A-Class, we can probably expect the QX30 to be a sort of Infinitized GLA-Class. Just picture a lifted version of the production Q30 we've already seen in teaser shots. In addition to 30 global debuts, the LA Auto Show will host 20 North American reveals, including the Jaguar F-Pace, Kia Sportage, and Bentley Bentayga that will initially be shown in Frankfurt. The only other LA show global reveal we know about right now is the 2016 Hyundai Elantra. Still, there will no doubt be a lot to talk about come November, with Alfa Romeo, BMW, Bentley, Fiat, Ford, General Motors, Honda, Jaguar Land Rover, Mazda, Mercedes-Benz, Mini, Mitsubishi, Nissan, Porsche, Subaru, and Volkswagen all confirming that they'll have something to show in Los Angeles. Naturally, we'll be on site with our usual obsessive auto show coverage. Related Video: THIRTY WORLD DEBUTS CONFIRMED FOR 2015 LOS ANGELES AUTO SHOW 50 total reveals expected and will be streamed live by CNET from the show floor LOS ANGELES, CA (September 2, 2015) – The Los Angeles Auto Show (LA Auto Show®) announced today that 30 world debuts, totaling 50 vehicle unveilings overall, will be introduced in front of media, analysts and automotive industry executives during its Press & Trade Days, November 17-19, 2015. Almost every manufacturer will be making news, and while most have yet to announce details, a few manufacturers have begun to share their debut plans. Specifically, Infiniti will have a global reveal of its all-new QX30 crossover and Hyundai will host the world premiere of its all-new Elantra. Other debuts include Jaguar's first luxury SUV, the F-PACE, and Kia's next generation Sportage. Other automakers officially confirming premieres include Alfa Romeo, BMW, Bentley, Fiat, Ford Motor Company, General Motors, Honda, Jaguar Land Rover, Mazda, Mercedes-Benz, MINI, Mitsubishi, Nissan, Porsche, Subaru and Volkswagen.

Nissan sets 2017 sales record with help from Rogue, Titan, and Armada

Nissan Group said its U.S. sales climbed 1.9 percent in 2017 to an all-time record of more than 1.59 million vehicles sold. Free pizza in the conference rooms in Nashville, right? But a closer look shows the company mirroring overall industry trends, with plenty of declining-popularity cars but also a few aging trucks and SUVs. Taken together, Nissan's trucks, SUVs and crossovers saved the day, selling an all-time high of 765,624 total units, up 15 percent from 2016. That offset a 10.9-percent drop in sales of Nissan's cars, as volume sellers like the Altima and Versa posted steep drops. Also buoying overall results was the Infiniti division, which gained 10 percent from the previous year on the strength of models like the Q60 and QX30. Nissan's record year owes a lot to the Rogue, its compact crossover, which set an annual sales record with 403,465 vehicles, an increase of 22.3 percent. Sales of the Titan, Nissan's full-size pickup, grew an impressive 141.9 percent to 52,924 units, while the Armada, a full-size three-row SUV that was all-new for 2017, also saw a huge jump in sales (154.1 percent) to 35,667. Infiniti, meanwhile, saw overall sales climb 10.9 percent on the strength of huge gains by the Q60 Coupe, which rose 170.8 percent, and the QX30 crossover, which grew almost 524 percent. That being said, Infiniti volume is relatively low. The Q60 Coupe sold a total of 40,444 units and the QX30 14,093 for 2017, while Nissan shifted 40,172 Rogues in December alone. On the car side, the Maxima did well, gaining 7.9 percent to finish at 67,627. Volume-wise, the Sentra dominated, nudging up 1.7 percent to 218,451. But the rest of the lineup mirrored industry trends for the car segment, with steep drops for the Altima (down 17 percent), battery-electric Leaf (-19.8 percent), Versa (-19.2 percent) and Juke (-48.1 percent). Several truck, crossover and SUV models are also not faring so well. The aging Frontier pickup, last updated in 2005, fell 14.5 percent, the Pathfinder slipped by 0.8 percent, the Quest minivan plummeted 55.5 percent and the upscale Murano crossover fell by 11.8 percent. A Nissan spokesman says the Quest is no longer being built for the U.S. market starting with the 2018 model year. Meanwhile, reinforcements are coming. Nissan has said it's planning a new generation of the Frontier, its entry-level pickup, but hasn't clarified when.