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Infiniti's variable compression engine in the 2019 QX50 is the first of its kind

The world's first variable compression ratio engine is here, in a production car. That car is the 2019 Infiniti QX50, debuting this week at the Los Angeles Auto Show. The midsize crossover has seen a refresh that has brought it an all-new platform together with new driver assist features, but it's the engine that's the centerpiece here. Nearly everything is continuously variable under the hood of the QX50 – not only the new shift-by-wire XTRONIC CVT. The new VC-Turbo gasoline engine is able to change its compression ratio from 8:1 to 14:1, or anything in between depending of the driving situation; whether there is need for top-end power or turbodiesel-like torque from low revs, or optimized fuel economy. The pistons' reach is continuously adjusted by an electric "Harmonic Drive" motor, which controls a multi-link system, affecting the top-dead-center of the pistons and changing the compression. The engine can also switch between efficiency-maximizing Atkinson cycle and regular combustion cycle, on the go – and there's both multipoint injection and gasoline direct injection employed. The result is 268 horsepower at 5,600 rpm and 280 pound-feet of torque at 4,400 rpm; good figures for a 2.0-liter four-cylinder gasoline engine with a single-scroll turbocharger. Infiniti says that the FWD version's fuel economy of 27 miles per gallon combined is 35-percent better than the previous-generation V6 engine; in AWD guise, it reaches 26 mpg, which is a 30-percent improvement. The new engine is pretty much all-aluminum, but the vaguely magical-sounding "transformative multi-link components" behind the variable compression system are made from high-carbon steel alloy. The engine's multi-link system also enables it to do away with any balancing shafts, and Infiniti compares its smoothness to a V6 rather than a regular four-cylinder. In addition to the aforementioned tech, the VC-Turbo engine has the world's first active engine mount vibration damping system to smoothen its operation even further. Related Video:

Next Infiniti FX to gain interior volume

The Infiniti FX, soon to be renamed QX70 thanks to the Japanese brand's convoluted naming scheme, is currently in the midst of its second-generation. And while we like the compact, sporty crossover's driving character a lot, it lacks the "utility" part of the CUV moniker. That lack of cabin space will be addressed in the future, though.
Automotive News recently sat down with Nissan's global design boss, Shiro Nakamura, to talk about the future of what he called "the icon of Infiniti." And while Nakamura-san admitted the FX/QX70's worth to the brand, its sales have long been something of a disappointment. "Exterior and styling-wise, it's very strong as an icon. But to be honest, its sales volume has not been as big as we wanted," a reality Nakamura believes is due largely to its tight cabin relative to its competition.
Finding the right balance might be difficult, though. The FX/QX70 is selling extremely well in both China and Russia, according to Nakamura, because of its looks. Altering that style in order to increase interior space risks alienating a new and important group of buyers for Infiniti. The designer put it best when he told AN, " It is selling well in China and Russia because it stands out. So we want to maintain that striking look." As it stands, we'll likely be living with the current vehicle for a few more years - AN doesn't expect the third-generation of the FX/QX70 to arrive until 2015 or 2016.

2018 Infiniti Q60 Red Sport 400 Quick Spin Review | Beauty before brawn

The 2018 Infiniti Q60 Red Sport 400 is an absolute beauty in person. And that's important, because, more than any other segment in the automotive marketplace, a personal luxury coupe has got to have the kind of attention-grabbing looks that can lead off the discussion about a brand-new vehicle. Like this one. It's also important because the name Red Sport 400 conjures up a kind of performance imagery that the Q60's hardware doesn't quite live up to. But before we delve into the world of horsepower and torque, let's finish talking about style. Like most luxury marques these days, Infiniti is working really hard to put a variant of its instantly recognizable corporate face on everything it sells. Unlike some other automakers — *cough* Lexus *cough* — Infiniti has been mostly successful in the styling-led marketing push without making each new car a caricature of the model it replaced. The fascia is dominated by a curvaceous chrome grille, which has little wing-shaped tabs that draw attention toward a dashing pair of headlights. These lighting units have LED elements that sort of form the shape of eye makeup, and while that could be a major styling misstep, it looks lovely on the Q60. Moving back from the face, there isn't a flat surface anywhere that might distract an onlooker from the overall cohesiveness of the design. The Q60's sheetmetal is pulled, pushed, and bunched like taffy strung across a whirling pair of beaters. If we were to lodge a complaint about the Q60's appearance, it would focus on the superfluous chrome-tipped gill slits just behind either front wheel and the too-small displacement badge nearby on the fenders. Both of these bits are unnecessary and seem like they were tacked on at the last minute. But those are small grievances that don't do much to distract from an otherwise cohesive design, and the chrome vents can be replaced with carbon fiber for an extra $395. It would be a sin to choose any color other than Dynamic Sunstone Red. This deep shade suits the Q60's flowing lines perfectly, and everyone who saw the car parked in our driveway had good things to say about the hue. Other colors are available, but ... just pick the red. The interior of out test car had seats in an off-white shade of leather that looks good, but was already showing wear and discoloration. We'd probably choose the red leather seats instead.