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Mazda G-Vectoring Control makes driving better without you knowing

Mazda has just spent eight years developing a new technology that will make its new cars a lot more fun to drive, even if you have absolutely no idea that it's working. And subtlety's the point, Mazda engineers told us at a press event at Mazda Raceway Laguna Seca. In fact, the effects of what they've dubbed G-Vectoring Control are so fine that the marketing and PR teams are at a loss for how to do their jobs with it. "The engineers have done their work," said Mazda Director of Communications Jeremy Barnes, "But how do we get the message across?" The basic premise is this: G-Vectoring activates only when the car's on-board computer reads simultaneous steering and throttle input. The data — including throttle position, steering angle, and, crucially, how quickly you're adjusting the steering angle — are then funneled through an algorithm to reduce engine torque, which transfers vehicle weight, adding more grip to the wheels that need it. The system will appear first on 2017 Mazda6 sedans arriving in showrooms later this year, followed by the 2017 Mazda3. Actually, "subtle" does not even begin to describe the effect. G-Vectoring Control can detect as much as one tenth of one degree of steering angle, and changes the cornering forces only 0.1 to 0.5 g as a result. "That's less than the human body can feel," explained Vehicle Development Engineer Dave Coleman. In practice, G-Vectoring reduces the steering angle at turn-in, as well as the rate at which one turns the wheel. To demonstrate, Director of R&D Kelvin Hiraishi rode shotgun with us in a specially equipped Mazda6 that allowed him to turn G-Vectoring on or off at the push of a button (production cars will always have it on). Hiraishi had us drive a number of courses, including Mazda Raceway Laguna Seca itself, while an engineer measured our steering inputs with a laptop Matrix'd into the car's electronic brain. I drove the same course several times with the same car in the same conditions, with cruise control locked and the system turned on or off. Lo and behold, with G-Vectoring activated, the engineer's output graph showed that my steering inputs were indeed reduced ever so slightly. There were two times that G-Vectoring was markedly noticeable. The first on a turn with a minor banking toward the outside, and the second was during cornering over an artificially wet section of the course — in other words, when the car was at the limits of adhesion.

Mazda6 Skyactiv-D Racecar ready to bring diesel to Grand-Am

It may not be quite as radical as some of the company's past rotary racers, but the new Mazda6 Skyactiv-D racecar does have a notable powertrain underhood: the automaker's brand-new clean diesel four-cylinder engine.
Three of these new diesel-powered Mazda6 racers will take to the track in the Grand-Am GX class of the upcoming 2013 Rolex 24 at Daytona on January 26, with five drivers on each team. The car you see above, number 70, is sponsored by Mazda's longtime motorsports partner, SpeedSource.
Check out our full gallery of high-res images live from the 2013 Detroit Auto Show above and feel free to read through the related press release from Mazda below.

Mazda Mexico debuts Mazda3 Turbo before official U.S. reveal

We should have been keeping an eye on our neighbors to the south, who did us the favor of showing off the turbocharged 2021 Mazda3 last week. The automaker teased the reveal for the U.S. market to happen on July 8. It's reasonable to expect slight changes between our two countries, but the Mexico introduction makes a good base to know what we're getting. The prime specs: 2.5-liter Skyactiv-G turbocharged four-cylinder with 227 horsepower and 310 pound-feet of torque. As suspected, this is the same engine found in the Mazda6, CX-5, and CX-9. As such, we expect those output figures are based on using 87 octane gasoline; in the other three Mazda offerings, 93 octane gas unlocks 250 hp and 320 lb-ft. So at worst, the Mazda3 turbo makes 41 hp and 124 lb-ft more than the naturally-aspirated engine in the current hatch and sedan. At best, the improvement runs to 64 hp and 124 lb-ft. Comparing the turbo Mazda3 to the segment-standard Volkswagen Golf GTI, the incoming 2021 German will make 241 hp and 273 lb-ft. Only a test drive will reveal how the battle of sportiness vs luxury turns out for the Mazda. The numbers make a case for the former, but there's enough of the latter to sway us into believing this will primarily be a quicker Mazda3, with nary a hardcore edge. The only transmission mentioned is a six-speed automatic with paddle shifters that sends power to both axles via mandatory all-wheel drive. In Mexico there are only two Mazda3 trims, which start at 329,990 pesos ($17,050 U.S.) and 429,900 pesos ($19,294 U.S.). The turbo will introduce two new trims there that start at 489,900 pesos ($21,987 U.S.) and 529,900 pesos ($23,782 U.S.), MSRP increases of about 29%. For the supplemental dosh, the Mazda3 turbo in Mexico comes with a leather interior, sunroof, 12-speaker Bose audio, Android Auto and Apple CarPlay, LED headlights, blind-spot monitoring and auto-tint side mirrors, reversing sensors, and black 18-inch aluminum wheels.  Other than those black wheels and some badging, though, there's nothing to differentiate the forced-induction model from the naturally aspirated one. When a Jalopnik source tipped that site to some 2021MY Mazdas based on dealer codes, there was a "MAZDA3 HB PP TURBO." That "PP" likely stands for Premium Package, which is the highest trim offered on our Mazda3 right now, already comes with 18-inch black wheels, and starts at $28,445 after destination.