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2018 Kia Stinger GT long-term wrap-up | Putting the grand in grand tourer

One of our latest long-term tester departures is our 2018 Kia Stinger GT, and it's one we're sad to see leave. Our really red example was optioned ideally for this group of enthusiasts in southeast Michigan with the twin-turbo 365-horsepower V6, a few extra comfort features with the GT1 package such as a sunroof and heated steering wheel, and of course, all-wheel drive. And after over 18,000 miles of driving the Stinger, we were thoroughly impressed. The engine felt impressively powerful, delivering a big ol' shove to the back with every stab of the throttle. The handling was confident and quick. While it wasn't our exact long-term car, one of our editors took a Stinger to the track and had a good time with it. The styling never grew old, looking just as low, lean and aggressive as when it first arrived. And it was even comfortable and practical, just look at all the stuff we could stuff in it! Looking at everyone's final thoughts, the Stinger made a near-perfect daily driver. There were a few snags during our custody, though. A few creaks and rattles appeared, including an issue with a door hinge that had to be fixed by the dealer. We also ended up with a warped brake rotor that needed changing. Something that couldn't be fixed was the Stinger's thirst. We averaged between 19 and 23 mpg in mixed driving plus the occasional long highway slog. That's actually slightly better than the EPA's combined estimate of 20 mpg, but it's still not stellar. The four-cylinder is the way to go if you'll be racking up a lot of miles. Gripes aside, the Stinger GT was a welcome part of the Autoblog fleet. See what we all had to say about it in more detail below. 2018 Kia Stinger GT View 10 Photos Editor-in-Chief, Greg Migliore: I really enjoyed our long-term Stinger. It had guts. It had plenty of power. It was fun to drive. It had emotion in a way only a few non-luxury sedans have. Frankly, it's this and the Dodge Charger as far as large sedans go for enthusiasts. I loved how the Stinger sounded; guttural and deep. It looked the part, too, though some of the accents weren't to my taste. The steering was excellent, the right balance of precision and pliability. It offered confidence to push the car in corners and the necessary feedback to do so with skill. I really liked the Stinger. It offered a great value, though the interior did start to show some aging after a year in our fleet.

Kia Soul EV will plug into Sky DC fast chargers, EZ-Charge network

As Kia gets ready to introduce its first plug-in vehicle to the US market, the 2015 Soul EV, it is also prepping some infrastructure improvements. The company announced today that it is partnering with Greenlots and ABB on offering Greenlots' Sky Smart Charging DC fast chargers at some West Coast Kia dealerships. Greenlots president Brett Hauser told AutoblogGreen that the program will expand to the East Coast in the future. While we don't yet know all of the monetary details quite yet – Kia says that "pricing structures and incentives" for the new EV will be coming later this month – but it appears that Soul EV buyers will be able to access the EZ-Charge network and there will also be something called a Kia ChargeUp card available. The CHAdeMO-compatible Soul EV is due to arrive in the third quarter of 2014 and the Korean company has high hopes for the car in the US. Take a closer look at the car in this video and read the announcement below. Greenlots is a San Francisco-based company that is trying to make vehicle charging as easy and open as possible. Last year, it helped with the installation of 13 DC fast chargers in the greater Vancouver, BC area. Kia Motors America Selects Greenlots to Provide EV Charging Access and Networking for 2015 Soul EV Rollout Kia to rollout Greenlots' SKY Smart Charging™ platform for seamless charging experience. SAN FRANCISCO – September 2, 2014 – Greenlots, a global provider of open standards-based technology solutions for electric vehicle (EV) networks, is partnering with Kia Motors America (KMA) and ABB, a global leader in power and automation technologies, to offer DC fast-chargers (DCFCs) at select Kia dealerships on the West Coast for the soon-to-launch 2015 Kia Soul EV. The partnership illustrates the increasing role interoperability among EV charging technology networks plays in meeting pricing flexibility demands from automakers and providing a seamless experience for EV owners. Unveiled in February 2014 at the Chicago Auto Show and rolling out in the third quarter of 2014, the Kia Soul EV is the centerpiece of Kia's Clean Mobility program, and bolsters KMA's line of environmentally conscious vehicles offering drivers an alternative to gasoline-powered transportation. The 2015 Soul EV is Kia's first ever all-electric, zero-emissions car to be sold in the U.S. Beginning in the third quarter of 2014, Kia will roll out Greenlots' SKY Smart Charging™ platform to its dealerships in California.

Hyundai CVVD engine brings another dimension to valve timing

A new technology from Hyundai Motor Group places another marker on the march to more efficient internal combustion engines. Called Continuously Variable Valve Duration, the innovation permits two options for how long the intake valves remain open during the combustion cycle. The feature adds a third take on valve chicanery, atop variable valve timing that changes when valves open, and variable valve lift that changes how far valves open. Hyundai says the feature returns a 4% improvement in performance, a 5% increase in fuel economy, and lowers emissions by 12%. Hyundai applied for two patents on the valvetrain process in South Korea in 2011 and again in 2015. The altered valve duration in this latest iteration is made possible by two movable arms inside the camshaft. Each arm is anchored at its base to a pin at the center of the camshaft, while the end of each arm extends toward the edge of the camshaft. Changing the position of the pin in the center of the camshaft changes the angle of the arms relative to one another, which moves the camshaft along its mounting rod. Voila, a new intake cam profile that either lengthens or shortens valve overlap.   During low-speed spells at low load, CVVD opens the intake valve from the middle to the end of compression stroke. The weaker detonation isn't a factor at low load, and the reduced friction during compression improves fuel economy. During heavy engine loads, the intake valve closes at the beginning of the compression stroke to maximize the amount of air mixed for detonation, boosting torque. Four additional features enhance the benefits of CVVD. A more powerful direct injection system increases fuel spray pressure from 250 bar to 350 bar. Hyundai doesn't go into details on its Integrated Thermal Management System, but says the ITMS "quickly heats or cools the engine to the optimal temperature." Low-friction components lower overall engine friction by 34 percent. And a low-pressure exhaust gas recirculation layout diverts low-pressure exhaust gas from the traditional EGR route to the turbocharger compressor under high load for better fuel efficiency.   The first engine to boast the new tech is the Smartstream G1.6 T-GDi four-cylinder, which produces 180 horsepower and 195 pound-feet of torque. It will appear in the 2020 Hyundai Sonata Turbo going on sale in South Korea later this year.