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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.

Next-gen Mazda6 reportedly getting RWD, straight-six it shares with Toyota

Last June, Japan's Best Car magazine laid out what we considered a whopper series of rumors about future Mazda developments. The mag said it had been speaking to a Toyota source on an unrelated matter, and found out that Mazda's work on a straight-six Skyactiv engine was predicated on that engine's use in Toyota Group vehicles, including Lexus models. Car and Driver has apparently consulted its own sources, and in a new report utters many of the same pronouncements as Best Car. The next-generation Mazda6, due around 2022, will molt out of its transverse engines on a front-driver platform, and be the first home for the longitudinally-mounted straight-six on the automaker's new rear-wheel drive "Large Architecture."  The gas-powered Skyactiv-X six-cylinder, a shade under 3 liters of displacement, will get help from a 48-volt hybrid system, and top output could hit 350 horsepower. A second straight-six will come in an oil-burning Skyactiv-D flavor, and PHEVs are certain to eventually factor into the equations. The sheetmetal around the bodywork will draw inspiration from the four-door Mazda Vision Coupe concept that debuted at the 2017 Tokyo Motor Show. Describing a scenario we can only cross our fingers for, C/D writes "there's a chance Mazda will mimic Lexus and put inline-six into both four- and two-door bodies," grabbing another unused concept as a design guide for the latter, the two-door RX Vision concept from the 2015 Tokyo Motor Show. C/D suspects the increasing cooperation between Mazda and Toyota will not only pay the bills for Mazda's sports sedan, but compel the Large Architecture to take a couple of side jobs in Toyota City. C/D writes, "Toyota may adopt the six-cylinder Skyactiv-X for the next-generation Lexus IS and RC." According to the recently leaked dealer report, the next-gen IS could be with us in 2021 as a 2022MY offering. Betting money seems to be on the sedan sticking with Toyota's TNGA platform and Lexus engines until a brand new model shows around 2026, though.

Mazda will introduce a groundbreaking new diesel engine in 2020

Mazda is preparing to introduce its first series-produced electric car, but it's not sending the diesel engine to the automotive graveyard. The company remains committed to turbodiesel technology, and it will take its efficiency to the next level when it introduces a new range of engines in 2020. "We are sticking to diesel engines. In 2020, we have a new approach to diesel engines. We will show you how clean and very efficient diesel engines can be," pledged Christian Schultze, the head of research and development for Mazda's European division, in an interview with British magazine Autocar. He declined to provide specific details about the breakthrough that made a cleaner, more efficient diesel engine possible. Asked about how the engine compared to SkyActiv-X, the carmaker's newest and most innovative gasoline-powered engine, he pointed out "there are not so many differences between [gasoline] and diesel." His announcement falls in line with Mazda's belief that it's crucially important to consider real-world emissions over the life cycle of a car, not just local emissions. The company has realistically stated the internal combustion engine -- whether it burns gasoline or diesel -- will "continue to be the base power for 85 percent of all cars up until 2035." It might join forces with a 48-volt electrical system, or it might be part of a plug-in hybrid drivetrain, but it will still be around in 15 years. To that end, it's important to keep improving the technology, and not to prematurely pen its obituary.  "We hope governments wake up and see that electrification is one way but there are others, too," Schultze concluded, adding that SkyActiv-X is a step in the right direction. Mazda will release more details about its next turbodiesel engine in the coming months, but it's too early to tell whether it will available in the United States, where demand for oil-burning cars has hit rock bottom. As of 2019, the only diesel-powered Mazda sold in America is an upmarket variant of the CX-5 (pictured). Auto News Mazda Diesel Vehicles