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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.

Driving Civic and Elantra Hybrids, and big Ford Maverick updates | Autoblog Podcast #842

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Road Test Editor Zac Palmer. They discuss the week in car news first, leading off with the updated 2025 Ford Maverick that adds a Lobo sport truck variant and an AWD hybrid. Next, they chat some Cadillac news with the reveal of the stunning Sollei convertible concept and the refreshed 2025 Escalade. After the news, the two focus on what they've been driving over the past couple of weeks. They start with the Fiat 500e, then move along to a comparison between the refreshed Hyundai Elantra Hybrid and totally-new Honda Civic Hybrid. Lastly, there's a discussion of the new Infiniti QX80 and the STI mods applied to our long-term Subaru WRX. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #842 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown News 2025 Ford Maverick Lobo 2025 Ford Maverick adds AWD hybrid version Cadillac Sollei revealed 2025 Cadillac Escalade refresh What we're driving 2024 Fiat 500e 2025 Honda Civic Hybrid 2024 Hyundai Elantra Hybrid 2025 Infiniti QX80 Long-Term 2023 Subaru WRX Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related Video:  Cadillac Sollei is an electric convertible concept This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

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.