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Mazda6 diesel is coming, too, Mazda promises (again)

As we noted our piece earlier today about the CX-5 diesel, we've been waiting for Mazda to bring its Skyactiv-D engines to market for years. Tripped up by an emissions certification nightmare that caused delays and resulted in lackluster power and fuel economy numbers, they're late to the party. In the CX-5 diesel, it's also a questionable proposition at almost $4,000 more than the much more powerful CX-5 Turbo. But today, Mazda's U.S. president confirmed to Autoblog that the diesel engine would make its way into the 6. Like the CX-5, it'll only be offered with all-wheel drive and only on the top Signature trim level. Unlike the CX-5 diesel, which goes on sale in July, we don't know when the Skyactiv-D-powered 6 will go on sale. But it seems like later this year is a good bet. How much longer can Mazda wait, really, once the CX-5 diesel is on sale? The diesel Mazda6 will use the same 2.2-liter engine as the CX-5. It'll probably offer the same power figures – 168 horsepower at 4,000 rpm and 290 pound-feet of torque from a low 2,000 rpm, with a 5,500-rpm redline. The fuel economy bonus for choosing a diesel over the turbocharged gas engine should roughly parallel the difference in the CX-5: about 5 mpg in the city and 3 mph on the highway. That said, we don't know the 6's EPA fuel economy numbers yet. We expect the price premium to roughly parallel the CX-5 as well, so the diesel will likely be several thousand dollars more than the gas turbo engine in the same Signature trim. These are educated guesses, of course, and when we have firmer numbers or solid estimates from Mazda we'll let you know.

Mazda hard at work on Skyactiv 2 engine technology

As Mazda continues the current rollout of its still-new Skyactiv technology, the automaker is already looking at improving its family of engines for even better fuel economy and emissions reductions. Automotive News reports that with stricter fuel economy and emissions regulations planned for 2020 and 2025 in Europe, Mazda will likely release engines with next-generation Skyactiv 2 technology by the end of this decade, and Skyactiv 3 units just five years later.
The latter is expected to focus on improved engine cooling and lessening energy losses, but the big news in AN's report is that the next-gen Skyactiv 2 engines will use Homogeneous Charge Compression Ignition, or HCCI. This type of ignition is very similar to how a diesel engine operates (with high compression and using the compression stroke for fuel combustion rather than spark plugs), a method said to provide a cleaner and more efficient fuel burn - to the tune of a 30-percent improvement in fuel economy compared to current Skyactiv engines. Other automakers, including Hyundai, have already announced they are developing HCCI powerplants with similar technology and characteristics, so Mazda likely won't be a lone wolf here.
Equipped with HCCI technology, Mazda figures to be able to compete with larger automakers in terms of fuel economy and emissions without resorting to hybrid powertrains, continuously variable transmissions or automatics relying on more forward gears (eight or more) for optimal efficiency. Some of the challenges of HCCI, according to AN, include the need for better engine cooling, risk of misfire at high and low rpm and uneven engine performance based on fuel properties.

Volkswagen's latest ad is not subtle | Autoblog Podcast #509

On this week's podcast, Mike Austin and David Gluckman are joined by special guest James Riswick, who has been driving a lot of new cars lately. All of them are discussed, plus a few more from Mike and David, and Mike rants a bit about a new VW Atlas commercial. The episode wraps up with the traditional doling out of Spend My Money buying advice, during which David briefly goes out into left field. (He's back now, don't worry.) The rundown is below. Remember, if you have a car-related question you'd like us to answer or you want buying advice of your very own, send a message or a voice memo to podcast at autoblog dot com. (If you record audio of a question with your phone and get it to us, you could hear your very own voice on the podcast. Neat, right?) And if you have other questions or comments, please send those too. Autoblog Podcast #509 Topics and stories we mention GMC Sierra HD Mazda MX-5 Miata RF Mazda CX-5 Honda CR-V vs. Mazda CX-5 Mini Countryman Honda Clarity Fuel Cell Ford F-150 Raptor Lexus RC 200t VW Atlas "Luv Bug" commercial Used cars! Rundown Intro - 00:00 What we're driving - 02:43 Ad of the week - 41:40 Spend My Money - 49:14 Total Duration: 56:27 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show on iTunes Marketing/Advertising Podcasts Ford GMC Honda Lexus Mazda MINI Volkswagen mazda cx-5 ford f-150 raptor gmc sierra hd volkswagen atlas mazda mx-5 rf lexus rc 200t