Mazda zeroed in on noise and vibration reductions, and the cabin area is 30-percent more rigid than in the previous car, according to Mazda's R&D director Kelvin Hiraishi, who pointed out bulges in the floor pan intended specifically to stiffen that panel-and prevent it from acting like a noise-generating diaphragm.
But it offers less attractive fuel numbers (17 mpg city/25 mpg highway), and the six-speed automatic is the only available transmission for the V-6. of torque-is the same engine found in the much larger CX-9 crossover. The Ford-designed, Mazda-built V-6-featuring 3.7-liters, 272 horses and 269 ft.-lb. The automatic option adds an extra mile per gallon in the city and on the highway. When connected to the standard six-speed manual, the four-cylinder delivers 21 mpg city and 29 mpg highway. Along with its bump in displacement from 2.3 liters, the four-cylinder features a new two-stage intake, more efficient cylinder heads and a less restrictive exhaust manifold.
of torque, the slightly larger 2.5-liter inline-4 no longer is plenty powerful. To handle the new size and weight, Mazda upped the power of both the base four-cylinder engine and the top-of-the-line V6. Better still, he says that the car has put on no more than 200 pounds in the process. According to Hiroshi Kajiyama, Mazda's chief program engineer for the 6, these new dimensions give the car more leg, shoulder and hip room (plus more luggage space) than the Accord, Altima or Malibu. These increases might seem small, but they translate into quite a bit more cabin space. longer than its predecessor), with a robust 109.8-in wheelbase (4.5 in. Unique to the North American market, the redesigned mid-size sedan now comes in at 72.4 in.
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