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Mazda6 GX Grand-Am racer goes where no diesel sedan has gone before

There has never been a four-door diesel sedan in the Grand-Am series, until now: The blunt, bewinged grille of the Mazda6 GX has blown right through that wall. It's said that racing improves the breed, but usually the breed has gone on sale when the racing begins. One of the unusual aspects of the Mazda6 GX, on the other hand, is that while the diesel won't go on sale to the public until later this year, it will already have tasted racing blood by the end of the day. That kind of reversal is more likely found with super coupes like the Lexus LFA and Honda NSX.
Mazda has taken class wins at Daytona's 24-hour race a whopping 23 times since 1975, most recently in 2010 with the RX-8 in the GT class. This year the Hiroshima company decided to show off its SkyActiv technology, then turned things up to eleven by opting for its SkyActiv-D instead of the more conventional SkyActiv-G gas engine to run in the new GX class. It will be joined by competitors like the Lotus Evora and Porsche Cayman in the class, nevertheless, at 2.4 liters, it's the smallest engine on the grid.
Time has not been a friend, either - Mazda said that the first five SkyActiv-D engines off the production line went to Speed Source in Coral Springs, Florida, the company that preps Mazda's race vehicles. Still, race driver Jonathan Baumarito on the #70 car said that although the engine's been on the dyno since February of last year, it's only been in the car for about a month and there have been only a couple of test days.

Mazda planning more powerful MX-5?

The new Mazda MX-5 will be available with a 1.5-liter four with 129 horsepower or 2.0-liter with 155. And while either engine may seem a tad on the small side for a sports car, they keep perfectly in line with what the Miata is all about. That doesn't mean, however, that more powerful options aren't under consideration. Speaking with Motoring.com.au at the launch of the new MX-5, Mazda's global PR chief Kudo Hidetoshi revealed that two options are under consideration. One would be a larger engine, and the other a turbocharged version of the existing 2.0. The former option would deliver the extra punch while keeping things naturally aspirated and free from turbo lag, but could throw off the weight balance Mazda has worked so hard to preserve. The more likely option, then, would be the turbocharged route that would allow the Zoom-Zoom brand to keep the roadster light and nimble, while still delivering an extra boost. Neither would be without its challenges, but if overcome, the resulting high-performance model could be sold as a Mazdaspeed model in some markets and as an MPS version in others. And, even if such a performance roadster were to get the go-ahead for production in some markets, there's no guarantee that it will be sold in the United States. Here's hoping. Related Video:

2014 Mazda3 officially rated at 30/41 mpg, priced from $16,945*

It's hard not to be smitten with the 2014 Mazda3; after all, just look at it. But beyond its slick lines, we found the new compact hatch to be a pretty remarkable steer, offering up good levels of comfort and refinement, not to mention functionality and engagement. Now, there's more reason to like the 2014 Mazda3, as we've just learned that the car will officially be rated at 30 miles per gallon city and 41 mpg highway.
That 30/41 rating is for the Mazda3 sedan fitted with the 2.0-liter Skyactiv-G inline four-cylinder engine and a six-speed automatic transmission. Opting for the manual transmission retains the 41-mpg highway number, but drops the city digits to 29. Hatchback models with the 2.0-liter engine achieve 29/40 mpg with the manual 'box and 30/40 with the automatic.
Mazda also offers a larger 2.5-liter inline-four in the 3, and while a six-speed automatic will be the only transmission available with this engine at launch, the automaker has confirmed that a manual is coming shortly. With the 6AT and 2.5, the Mazda3 sedan is rated at 28/39 mpg, or 29/40 with the company's i-Eloop regenerative braking system. Hatchback models shrink those numbers to 28/37 and 29/39 mpg, with and without i-Eloop, respectively.