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Mazda details diesel prototype at Daytona test

Diesel has without a doubt become the dominant fuel in the modern era of endurance racing. The 24 Hours of Le Mans has been won under diesel power for the past eight years running, as has every race in the FIA World Endurance Championship since its inauguration in 2012. Yet there will only be one diesel prototype entered in the top tier of the new Tudor United SportsCar Championship this year, and it belongs to Mazda.
The last Japanese manufacturer to win at Le Mans outright, Mazda has been gradually working its way back up the endurance racing ladder once again, following the example set by Audi with diesel power. Last year it campaigned a competition-spec Mazda6 Skyactiv-D in the GX class of the Grand-Am series, but rather than simply port over the existing racer into the new series, it's fielding a new prototype instead, just as it promised a couple of months ago. And now that prototype has hit the track for the first time, prompting Mazda to release its basic specs for the first time.
Tentatively referred to simply as the 2014 Mazda Prototype, the purpose-built racecar is testing this weekend in the Roar Before the 24, the official test session at Daytona that kicks off the racing season. It packs a 2.2-liter SkyActiv-D engine that's based heavily on the production version but tuned to produce 450 horsepower and 580 pound-feet of torque in race trim. Power is channeled through a six-speed sequential transmission from Xtrac, carbon brakes from AP and 18-inch racing slicks from Continental. With the Daytona-spec aero setup, it'll top out at around 186 miles per hour.

2016 Mazda6 and CX-5 see gentle price hike

Mazda has modestly updated the Mazda6 and CX-5 for the 2016 model year, and the company just announced revised pricing for the pair. The vehicles cost a little more now, but buyers also get additional features and an improved look. When it comes to the 2016 Mazda6, the already attractive sedan wears a revised look up front with more chrome and a redesigned cabin with a new instrument layout and seven-inch infotainment system on most models. Mechanically, things carry over with a 2.5-liter four-cylinder making 184 horsepower and 185 pound-feet and either a six-speed manual or automatic gearbox depending on trim. The base Sport trim with a six-speed manual gearbox costs $305 more than it did in 2015, and starts at $21,495*, plus an $820 destination charge on all models. Upgrading to the automatic gearbox at $22,995 also adds the revised infotainment system and reverse camera. Prices top out at $30,195 for the Grand Touring, which is $300 more than last year. All of the other versions see a $100 year-over-year increase. LED headlights are standard on the Grand Touring, but they can be added to the Touring through the Touring Technology package for $1,675. The 2016 CX-5 sees light exterior upgrades and similar interior improvements as the Mazda6, including the improved infotainment system for some trims. Pricing rings up for $250 more than last year, except the all-wheel drive Sport trim at just an extra $50. The cheapest CX-5 is the front-wheel Sport with a manual gearbox and 2.0-liter four-cylinder with 155 hp and 150 lb-ft, and it costs $21,795. All other models combine a 2.5-liter four-cylinder with 184 hp and 185 lb-ft with a six-speed automatic. Prices go all the way up to $29,470 for a CX-5 Grand Touring with all-wheel drive. There's a new i-Activesense package for the Grand Touring for $1,500, as well, that adds safety sensors and radar cruise control, but it can only be combined with the Grand Touring Technology Package for $1,505 with navigation and LED headlights. 2016 Mazda6 Pricing Announced IRVINE, Calif. (February 9, 2015) – Mazda North American Operations (MNAO) today announced pricing for its refreshed 2016 Mazda6 midsize sedan lineup. The 2016 Mazda6 is available in three trim levels – Sport, Touring and Grand Touring – and is equipped with the SKYACTIV-G 2.5-liter gasoline engine. There are a number of enhancements for 2016 including bold changes to the shape of the instrument panel and floor console giving the interior a fresh new look.

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.