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2019 Mazda3 Review and Buying Guide | Redesigned and exceptional

The Mazda3 has long been a darling of car enthusiasts for its sharp styling and sharper driving dynamics. So when it was redesigned for 2019, there was some collective anxiety as to whether Mazda could continue the magic. From our experience, Mazda certainly has, and has improved its compact sedan and hatchback in many areas such as design and refinement. As a result, the 2019 Mazda3 is easily the most fun car in its segment to drive, barring specifically performance-oriented compact models, and now has materials and looks to rival entry-level luxury cars. Its only real faults are a slightly tight interior and a character that might put off fans of cushy cruisers. What's new for 2019? Pretty much everything. The Mazda3 has been completely redesigned for the 2019 model year. It's down to one engine for now — a lightly updated 2.5-liter naturally aspirated four-cylinder with or without cylinder deactivation — but a high-efficiency spark-controlled compression-ignition engine is coming later. And for the first time, the Mazda3 has available all-wheel drive on both sedan and hatchback body styles, making it one of only two cars in the segment with such a feature. 2019 Mazda3 AWD View 24 Photos What's the Mazda3's interior and in-car technology like? While the interior of the previous Mazda3 was one of the finest in the segment, the new model is vastly superior. In fact, it feels about on par with actual luxury cars in the top Premium trim. The dashboard has a sleek, modern look with subtle air vents, surfaces wrapped in a soft leather-like material, and an elegant steering wheel has nicely integrated buttons. All of the switchgear has a solid, crisp feel. The driving position is excellent, allowing the driver to sit either low or high and keeping all the controls and displays perfectly centered. Mazda also redesigned its infotainment system for this car. A major change is that there is no touchscreen functionality whatsoever, which is also partly why Mazda has moved the infotainment screen farther up the dash and more into the driver's line of sight. The entire menu layout has been revamped as well with options listed vertically instead of horizontally. The system runs substantially faster and smoother than the previous version, though it's not as easy to use due to additional layers of menus. It still isn't as complex as systems found in German cars, though. Mazda has also finally made Apple CarPlay and Android Auto standard features. How big is the Mazda3?

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.

Mazda2 with extended-range hybrid rotary tech shown

Every story dealing with a new rotary engine from Mazda lands in a different place on the matrix of possibilities between "Coming soon!" and "Never gonna happen!" In 2011 it was speculated that the rotary engineering program would be shut down with the demise of the RX-8, in 2012 the program was still alive and taking lessons from the SkyActiv engines, in August 2013 a Mazda insider said a rotary engine called 16X would be here in two years, in November the CEO said the only way we'd ever get a new rotary is if Mazda could sell 100,000 of them per year. Meaning that, for the moment, you can forget about it.
And yet, last month Mazda was putting journalists in a Mazda2 RE Range Extender, an electric car using a 0.33-liter rotary to power its lithium-ion batteries when the charge runs down. With a 75-kilowatt, 100-horsepower electric motor turning the front wheels, the Wankel generator and its 2.6-gallon gas tank living under the trunk double the range of the electric-only Mazda2 to 250 miles.
There's been talk of using a rotary to assist an alt-fuel vehicle for at least seven years, with Mazda pairing an electric motor with a rotary that ran on gas and hydrogen in a Mazda5 in 2007. Since then, almost all of those stories debating its return or demise also spoke of the oddball motor's advantages, such as compact size and ability to run on various fuels, as an aid in an unconventional powertrain.