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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.

Infiniti previews new Q80 Inspiration concept ahead of Paris debut

A couple of weeks ago, Infiniti released a teaser and brief statement on a new debut it had in store for the upcoming Paris Motor Show, and the Japanese luxury marque is now giving us a bit more to chew on.
Previewed in the slightly more revealing teaser image above is the Infiniti Q80 Inspiration concept, a "low-slung, ingeniously aggressive four-passenger fastback" that hints at a new flagship model from Nissan's luxury division that the automaker says is meant "to demonstrate to the premium world just how Infiniti aims to play its part."
Sounds promising, though we'll still have to wait a bit to find out more, so watch this space. In the meantime you can scope out the brief statement in the press release below.

2021 Infiniti QX80 gets simultaneously more and less expensive

Infiniti has released pricing for the 2021 QX80, and the brand's range-topping SUV sails into the new model year with revisions to its trim lineup and minor equipment changes. The starting price of the QX80 rises, but the asking price for the fanciest version is lower for 2021. The entry-level QX80 is again the Luxe, and in rear-wheel-drive form, it starts at $70,445 (with $1,395 destination) or $73,545 with all-wheel drive. Both figures represent an increase of $2,300 over 2020. A new middle-level trim is the Premium Select, and it steps in for last year's Edition 30 model, featuring that version's dark-chrome exterior accents and 22-inch wheels. Prices for the QX80 Premium Select are $74,745 (RWD) and $77,845 (AWD), which are $3,100 more than last year. For those with a hankering for the very finest of QX80s, however, the news is better. In place of last year's Limited, the new range-topper is the Sensory, which includes Infiniti's Hydraulic Body Motion Control System. The Sensory is $81,595 with rear-wheel drive and $84,695 with AWD. And while that's not cheap, it's some $8,000 less than what Infiniti was asking for the 2020 Limited. The big tech news for 2021 is the Infiniti's rear camera mirror has higher resolution and a larger viewing surface. Previously standard on the top trim, it's now included on all models. Last year saw the arrival of larger display screens in the dash and the instrument cluster. No changes are on hand in the engine room, where the QX80 continues to be motivated by Nissan's 5.6-liter V8 that makes 400 horsepower and 413 lb-ft of torque, dispatched by a 7-speed automatic transmission. The 2021 Infiniti QX80 is on sale now. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.