Mazdaspeed 2004 Mazda Miata Mx5 on 2040-cars

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Next Mazdaspeed3 could go naturally aspirated?

The new Mazda3 is a stunner, both aesthetically and from a driving perspective. As with all good things, though, there's always room for improvement. That's where the wizards from Mazdaspeed come in. Mazda's in-house tuner has been tweaking and turbocharging the five-door Mazda3 since 2007, with impressive results.
We've shown you renderings of what the third-generation Mazdaspeed3 could look like, and for the most part your response was quite positive. Now, AutoExpress has come out with details of just what might be under that long hood. According to our friends across the pond, the new Mazda3 MPS (that's what the Speed3 is called in Her Majesty's auto industry) will be arriving with a new, high-revving, naturally aspirated engine. Wait, what?
Yes, if the rumors are to be believed, the next Mazdaspeed3 will ditch its turbocharger. According to an anonymous engineer, the new MS3 will arrive in December (this is for the UK market, mind you) with a 200-horsepower, naturally aspirated engine. The 2.0-liter mill is based on the Skyactiv engine in the new 3, and should be capable of a sub-seven-second run to 62 miles per hour.

2016 Mazda MX-5 Miata configurator fulfills your droptop dreams

The first batch of 2016 Mazda MX-5 Miatas are already at dealers, but Mazda is finally launching a configurator for its completely revised sports car. Even if pricing doesn't come as a surprise, you can still have some fun creating one to your own specific tastes. The major equipment changes on the Miata happen between the Sport, Club, and Grand Touring trims, and options are generally kept light. The real standout is the Brembo/BBS package for $3,400 that's exclusive to the Club version. It adds Gunmetal 17-inch BBS wheels, Brembo front brakes with red calipers, side sill extensions, a rear bumper skirt, and keyless entry. On the Sport and Grand Touring, $1,200 buys the Appearance Package with a front air dam, side sill extensions and rear bumper skirt. There's also keyless tech for $130 on them. Mazda also offers a few items to dress up the convertible's looks. There's a choice of a black or body color rear lip spoiler for $350, and Soul Red Metallic paint adds $300. For protection, clear film for the front and rear paint is $125, all-weather floor mats go for $90, and wheel locks cost $55. Finally, a cargo net is $50. We ticked every applicable box on the Club trim above to make its $28,600 base price leap to $33,790, after the $820 destination charge on all models. Happy building. Related Video:

Mazda Skyactiv-D racer first diesel to run at Indy in 60 years

While it may not be touting the old "Win on Sunday, sell on Monday" axiom we all know and love, Mazda recognizes that racing can only improve its cars. And so it's no surprise that the Japanese automaker is testing and refining its Skyactiv-D diesel engine by sending it out on various race tracks around the country - notably being the first diesel ever to compete at Daytona and the first to notch a Grand Am win at Road Atlanta.
Next up? Indy. It has been over 60 years since a diesel-powered machine ran at the Indianapolis Motor Speedway, and the Cummins-powered racer that competed in the 1952 Indy 500 with a 6.6-liter inline-six-cylinder oil-burner was a fast and brutal machine that set a new lap record in qualifying leading up to the race. Though that car was withdrawn with turbocharger failure 71 laps in, its diesel powerplant left an indelible impression on the racing community, and that's something Mazda hopes to accomplish once again.
Mazda says that the diesel engine in its race car is pretty darn close to stock - 51 percent stock by parts count, and 63 percent stock by weight - which means the way it performs in competition is at least a somewhat meaningful way to the stock engine's durability in the real world. Check out the image of the Mazda6 Skyactiv-D racer posing alongside the 1952 Cummins above (click to enlarge) and feel free to peruse the press release below for the rest of the details.