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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.

Watch the 2022 Infiniti QX55 reveal livestream at 8:55 p.m. EST right here

The car reveals are coming in quick succession today, and last up is the 2022 Infiniti QX55. Infiniti will be hosting a stream at 8:55 p.m. ET tonight to reveal the crossover coupe version of its popular QX50. Artist Aloe Blacc will be hosting the event and hyping the car up from the Belasco Theater in Los Angeles. Additionally, Infiniti will have designers and executives on hand to speak about the car and its development and background. If this reveal is anything like the Nissan Z Proto reveal, expect a number of folks on hand and a detailed look at the crossover. You can watch it all in the video stream at the top of this post via YouTube. We already know what to expect coming into this reveal, thanks to a recent teaser from Infiniti and spy shots (see the gallery below) captured at the beginning of the year. It’s going to look like a chopped and coupe-ified QX50. The VC-Turbo engine should be under the front hood, and “shifting” will likely be handled via a CVT. Check back with this post just before 9:00 p.m. ET to see the video reveal, then head on over to our full reveal post on our home page where you can get a more detailed breakdown of whatÂ’s new and different in the QX55.

Infiniti cribs new US boss from Porsche

Just weeks before he was supposed to become CEO of Porsche Cars Australia, Infiniti has apparently offered Porsche COO and Executive Vice President Michael Bartsch a deal he couldn't refuse. Thus, Bartsch has join the company as Vice President of Infiniti Americas, the luxury marque's top North American post. Bartsch replaces Ben Poore, who has been with the automaker since 2008, having led both a 22-percent sales surge in 2012 and the brand's current sales slough, Automotive News reports.
Bartsch, Porsche's No. 2 US executive, has held the COO and Executive Vice President positions at Porsche since 2005 and was scheduled to become CEO of Porsche's Oz division on September 1. Infiniti has experienced a number of recent personnel changes in the past week: it named Vincent Gillet, formerly an executive for Starwood Hotels & Resorts, to lead its marketing efforts worldwide and Simon Cox, a former designer for automakers including Ford and Peugeot, to head a new design studio in London.
Poore reportedly will pursue other interests outside of the auto industry. Read more about the personnel change in the press release below.