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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.

Genesis G70 vs sport sedan rivals: How it compares on paper

We got our first look at the Genesis G70 sport sedan today. We think it looks good, with enough ties to its fellow Genesises (Geneses?) to further establish the brand and just enough distinction to help it stand out from the crowd. But ah yes, the crowd. Although Genesis didn't release the G70's full spec sheet, it revealed just enough for us to start sizing it up to its future competition. There are certainly others with which to compare (Lexus IS, Cadillac ATS, Alfa Romeo Giulia, Jaguar XE just to name a few), but we decided to take a look at the best sellers and most competitive luxury sport sedans. (And hey, if you like this, we can always do a follow up) So, here we have the Genesis G70 vs BMW 3 Series vs Audi A4 / S4 vs Mercedes-Benz C-Class vs Infiniti Q50. Nothing like a good chart to dig your teeth into on a Friday. Note that we only compared those models that line up with the G70. So, we left out the BMW 320i and Audi A4 Ultra entry level models as well as the Q50 3.0t mid-grade model that's considerably cheaper than the German performance upgrade models we listed. All 0-60 figures are rough estimates based on several sources, models/drivetrains and OEM figures. Related Video: Featured Gallery Genesis G70 vs other sport sedans View 15 Photos Audi BMW Genesis Infiniti Mercedes-Benz Luxury Sedan consumer infiniti q50 audi s4 genesis g70 mercedes-benz c-class bmw 330i bmw 340i

Infiniti's Vision for Gran Turismo revealed in full [w/video]

Just about any car has to be designed with some sort of limitations, whether it's a production car that has to be usable on the road, a racecar that has to comply with regulations, or even a concept car that does, at the end of the day, actually need to be crafted out of real materials and wheeled onto a stage. But the Vision Gran Turismo series imposes no such limitations. Designed only for a virtual reality, the project allows for designers to craft a purely fantastical design whose limits fall barely short of their own imaginations. It presents companies with the opportunity to represent their brand as they want to, so it comes as little surprise that every automaker from here to Hong Kong has been lining up to take part. And the latest is Infiniti. Previewed in a pair of teaser renderings barely over a week ago, the Infiniti Concept Vision Gran Turismo is a suitably striking addition to the virtual world of the Gran Turismo video game franchise. Designed at the company's Beijing studio, the brief calls for a 4.5-liter naturally aspirated V8 hybrid powertrain, with a front mid-ship layout driving a rear transaxle for ideal 45/55 front-rear weight distribution. Beyond that it's all flowing forms, extreme aero and signature Infiniti design cues like a widened version of the brand's trademark grille shape and the kink in the rear pillar. It's got butterfly doors hinged ahead of those spindly mirrors, center-lock alloys crafted from carbon fiber, deeply sculpted aerodynamic elements, a large boomerang-shaped rear wing and aggressive long-hood/low greenhouse proportions. It's F1 meets GT, to hear Infiniti tell it, and whether you've got a PS3 and a copy of Gran Turismo 6 to play around with it or not, you can check it out in the images above and the video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Introducing the INFINITI CONCEPT Vision Gran Turismo The "INFINITI CONCEPT Vision Gran Turismo" has been released on "Gran Turismo 6", available exclusively on PlayStation®3. Infiniti has continued to break new ground in design since the brand was first established. This is a sensuous GT car brimming with the Infiniti philosophy. How to receive it After Update 1.15 has been installed, the car can be purchased from the [Vision GT] area within the [CARS] section in "My Home" (here, you can also find the car's presentation movie).