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2021 Mazda3 2.5 Turbo is official, with automatic transmission only

The Mazda3 Turbo is here, and while it’s no Mazdaspeed, this is still a happy day for enthusiasts. Its full, official name is the 2021 Mazda3 2.5 Turbo, which begins to describe it perfectly. Just as was expected, Mazda has taken its 2.5-liter turbocharged four-cylinder off its shelf and plopped it into the compact 3. When run on 93 octane fuel, Mazda claims 250 horsepower and 320 pound-feet of torque. You can still run it on 87 octane, but the numbers drop to 227 horsepower and 310 pound-feet of torque. Mazda says this engine has a specific calibration for the Mazda3 “to deliver the unique driving dynamics expected by our most passionate drivers.” The engine delivers a stout low-end shove in its other applications, so perhaps Mazda has found a way to make it more excitable in the upper rev ranges. WeÂ’ll see about that when we drive it. The Turbo is also paired exclusively with all-wheel drive and the six-speed automatic transmission. It is sad to see the six-speed manual being left in the dust here, but Mazda has decided to not offer it as an option. The all-wheel drive system operates the same as the one in the naturally aspirated version, which should hopefully be good enough to mitigate torque steer and understeer. Mazda hasnÂ’t quoted any official acceleration times for the Turbo yet, but we expect it could chop about a second off the carÂ’s 0-60 mph time. Something in the low 6-second range seems plausible. There are no changes to the chassis, suspension or brakes for this model; Mazda says "the current Mazda3, as well as all our vehicles, are always designed and tuned to be focused on dynamic driving. We are confident that the turbo engine will help to refine the already exciting driving experience without the need to add more than is necessary." It does come in a base trim (similar to a base hatchback in content), but even that trim is relatively well-equipped. A Premium Plus Package is available that raises the bar. This package includes leather seats, navigation, HomeLink, Traffic Jam Assist (provides steering inputs below 40 mph to stay in lane), 360-degree camera, rear automatic emergency braking, rear cross-traffic braking and parking sensors in front and back.  Unfortunately, the new driver assistance features we listed above are exclusive to the Turbo and wonÂ’t be available on other Mazda3 models this year.

Will Mazda sell diesel hybrids in Japan in 2016?

Could the "Zoom Zoom" automaker start making hybrids that go "glug glug glug"? Mazda, known for its fuel-efficient Skyactiv engine line, will be the first Japanese automaker to make a diesel-hybrid vehicle for Japan and Europe. According to the Yomiuri Shimbun, Mazda may start making its oil-burning hybrids as soon as 2016, and the powertrain may reach fuel efficiency levels of as much as 95 miles per gallon (one the more lenient Japanese driving cycle). That'd make such a vehicle line about 30 percent more fuel-efficient than standard diesels and about eight percent more fuel efficient that the Toyota Prius C compact hybrid (known as the Aqua in Japan). Mazda has been dismissive of hybrid and electric powertrains, instead focusing on Skyactiv technology to maximize fuel efficiency from conventional gas-powered engines. Diesel powertrains account for about half of the light-duty vehicles sold in Europe each year, while Japan's diesel sales of 76,000 vehicles last year were about three times as many as were sold there in 2012. In January, Mazda said that it would delay the introduction of its Skyactiv-D diesel engine from what was to be a spring 2014 debut. The reason was to fine-tune the engine's performance/fuel economy balance. Mazda representatives didn't immediately respond to a request for comment from AutoblogGreen about the diesel hybrids.

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.