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Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.

2022 Infiniti QX55 pricing is out, and it carries a premium over the standard QX50

Pricing for the coupe-ified 2022 Infiniti QX55 crossover is out, and just like every other coupe-like version of a crossover, it’s more expensive than the regular one.  For starters, the QX55 comes with standard all-wheel drive. It also starts at the second trim up the QX50Â’s hierarchy, Luxe. The premium over an equivalent QX50 is $3,000, landing the QX55 at a $47,525 starting price, including the $1,025 destination charge. There are only two other trims available: Essential and Sensory. A QX55 Essential starts at $52,625 and adds leather seats (heated/cooled in front), a heated steering wheel, navigation, 16-speaker Bose audio and a 360-degree camera. For a little more cash, you can tack on a ProAssist and ProActive package to the Essential trim for a host of driver assistance features, including all the goodies weÂ’re accustomed to in NissanÂ’s ProPilot Assist. The last and top trim is Sensory, and it starts at $58,075. You get all the packages and features of the lower trims, plus a motion-activated hatch, semi-aniline leather seats, open-pore wood trim, tri-zone climate control and ambient lighting. Unlike the regular QX50, there is no top-of-the-line Autograph trim. If youÂ’re interested in a QX55, Infiniti says itÂ’s opening up a digital reservation program today. If you reserve one via this method and go through with the purchase or lease, Infiniti promises you the choice of “a tasteful trendsetting gift.” Your options include a Transparent Sound speaker, Away luggage bundle or a Tom Dixon Brew coffee set. QX55s will start landing in dealers this spring, where you can buy one the old-fashioned way, sans gift. Related video:

Toyota, Lexus dominate KBB's Best Resale Value Awards

Toyota and Lexus stormed the 2014 Kelley Blue Book Best Resale Value Awards, winning a combined 18 categories including best brand and best luxury brand. This marks the third year in a row that both automakers have won the Brand and Luxury Brand resale value awards. In all, Toyota won 11 categories and Lexus won seven.
Honda made a good showing, as well, winning two segments (Accord Plug-In Hybrid and Civic Si) and putting one car on the top-10 Best Resale Value list (CR-V). Chevrolet did even better, winning two segments (with the V6 Camaro and the Corvette) and placing three cars on the top-10-overall list (again, the Camaro and Corvette, plus the Silverado 1500).
The other winners came from Jeep, Dodge, Infiniti, Subaru and Audi. To give you a clearer picture of the Toyota and Lexus domination, their 18 mentions represents more than half of the 34 awards (including the top-10-overall list).