Mazda CX-9

From Mazda press: Mazda’s CX-9 is one of the company’s most award-winning vehicles, garnering North American Truck of the Year and the Motor Trend Sport Utility of the Year, amongst others.  An instant success when it first hit the market in 2007, the CX-9 raised the bar for three-row crossover SUVs. 

From its dynamic styling and safety to versatility and performance, Mazda’s flagship crossover SUV continues to wow customers and automotive critics alike.  Highly refined inside and out for 2010, CX-9 receives redesigned wheels and improved fuel economy for 2011.

Deftly blending sporty driving spirit with seven-passenger crossover utility vehicle (CUV) practicality, the CX-9 is powered by a 273-horsepower 3.7-liter V6 engine and features standard Roll Stability Control, standard Bluetooth hands free phone and an available advanced Blind Spot Monitoring (BSM) system, which helps see and prevent the unexpected.  Other available features include two-position heated front seats, BOSE® audio system, an available Multi Information Display (MID) for audio with rearview camera and available NAVI with Real Time Traffic System. 

The 2011 CX-9 is powered by a 3.7-liter V6 engine, making the most complex pursuits as easy and as pleasurable as possible.  The 60-degree short-stroke V6 is state-of-the-art throughout.  Advanced features include a die-cast aluminum block with cast-in iron cylinder liners and aluminum cylinder heads for minimal weight.  The valvetrain includes chain-driven dual overhead camshafts for minimal maintenance, four valves-per-cylinder with direct acting bucket-type actuators, and variable intake valve timing.  A high 10.3:1 compression ratio maximizes efficiency and power output while the throttle is electronically controlled for instantaneous response.

Two close-coupled catalytic converters cleanse the exhaust without inhibiting power.  Computer-aided-engineering analysis was extensively used to configure the cylinder block casting, to shape intake and exhaust ports, and to design the high-volume exhaust system fitted with three large mufflers.  Very low back pressure is one of the reasons why the power curve is still ascending at the 6500-rpm redline.  In addition, the forged-steel crankshaft is fitted with induction-hardened journals, a full complement of counterweights.  Engineering details even extend to a roller-chain cam-drive sprocket lined with rubber for quiet operation.

A power peak of 273 horsepower at 6,250 rpm provides CX-9 with sparkling accelerating and passing performance.  The torque curve keeps 250 lb-ft from 3,000 to 6,000 rpm and peaks at 270 lb-ft at 4,250 rpm. 

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