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Mazda's Skyactiv-X power and efficiency ratings released in Europe

Mazda's long-awaited Skyactiv-X engine is finally headed for production, though not yet for the United States. The Japanese automaker says "various European countries" will get access to the unique engine in the Mazda3 starting this fall. Still, the announcement is relevant to the rest of us because we now have official power levels and fuel efficiency numbers that we can use to compare the Skyactiv-X with other engines offered in the compact Mazda. First, the power. According to Mazda, the 2.0-liter Skyactiv-X makes 178 horsepower and 165 pound-feet of torque. By way of comparison, the 2.5-liter Skyactiv-G engine currently used in the Mazda3 here in the States makes 186 hp and 186 lb-ft of torque. Sure, it's a little less powerful, but note that the displacements don't match and remember that the real reason the Skyactiv-X exists is to reduce fuel consumption. And that brings us to the Skyactiv-X's combined rating of around 53.5 miles per gallon (converted from liters per 100 kilometers). That's around 8 mpg better than the 2.0-liter engine that comes standard in Europe. Before we go any further, it's important to note that these numbers represent official figures for the European NEDC combined cycle, which means they are not directly comparable to the ratings we'll get from the United States EPA. Our official ratings will almost certainly be lower. With that disclaimer out of the way, the 2.5-liter Mazda3 scores a combined 30 mpg here in the States. The obvious unanswered question is when the Skyactiv-X might actually come to America. And the unfortunate answer is that we don't know. Mazda has yet to make an official decision on timing for the U.S market's launch of the engine, but as soon as we know, so will you.

Mazda files patents for a sequential twin-turbo setup

Mazda has a history of interesting engine technologies, from yesterday's rotary engine to tomorrow's compression ignition engine, and new patents show it still may have some internal combustion tricks up its sleeve. The one on display in these patents isn't especially new in concept, though. A sequential twin-turbocharger setup is something Mazda itself used on the third-generation RX-7. But it's something we haven't seen much of lately. It looks like it could have some possible advantages over older sequential systems, and it has some potential advantages for enthusiasts. First a quick and dirty primer for what makes a sequential twin-turbo system distinct from other twin-turbo systems. In many twin-turbo engines, there are simply two turbos that work together as one bigger turbo. They're the same size, and they spool up at the same time. With a sequential setup, at low rpm, a smaller turbocharger is spooled up first at low-rpm for quicker throttle response, and as the rpm and exhaust pressure increases, a valve opens up that allows a larger turbocharger to also spool up and provide high-rpm boost. That's basically how the Mazda design shown above functions. A big flap blocks off the larger turbocharger exhaust inlet, channeling all the exhaust to the smaller turbo. When more exhaust is available at high rpm, it looks like that flap opens up to spool up the big turbo, too. What's interesting here is that the way the turbochargers are packaged takes up less space than past systems. It looks like both turbos are contained in one unit that shares the same exhaust outlet, meaning the exhaust manifold could be kept simple and compact. In fact, the piping for compressed intake air could also be shared, reducing the amount of piping, which would further decrease the amount of materials and possible failure points. There are a number advantages of making this system smaller. The potential applications of the system are much greater, since it could fit in smaller cars with smaller engine bays. Making the system smaller also means that there won't be as much weight, which is important from both fuel economy and performance standpoints. Finally, the smaller setup likely uses fewer materials, which could make the system cheaper and thus easier to offer on a wider range of vehicles, or at least more profitable for Mazda.

2018 Mazda 6 gains Apple CarPlay, Android Auto in September

When we did our midsize sedan comparison test, only one of the three cars came equipped with Apple CarPlay and Android. That was the Honda Accord. However, had we waited a bit, the 2018 Mazda 6 also would've included these increasingly common and now widely expected smartphone connection features. Though the addition was previously announced, Mazda made it official that upgrades will start in September. All but the base 2018 Mazda 6 Sport trim will receive Apple CarPlay and Android Auto as no-cost dealer-installed upgrades. That includes 2018 model year cars that have already been sold. So, if you should have already purchased a Touring, Grand Touring, Grand Touring Reserve or Signature, make an appointment at the dealer in a month and it'll upgrade the infotainment system to not only include the Apple and Android software but also the latest Mazda Connect software and a more powerful, faster-charging 2.1-amp USB port. The 6 is the first 2018 Mazda to receive this upgrade, be it when purchased or as a retroactive add. We have reached out to Mazda to find out if other Mazda models could be so-upgraded in the future. We will update this story as we get more information. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.