Mazda’s 2016 CX-9 Luxury SUV Unveiled

Automotive

Published on November 23rd, 2015 | by Daniel Sherman Fernandez

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Mazda’s 2016 CX-9 Luxury SUV Unveiled

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Just as first Mazda CX-9 did nine years ago when it arrived, this new second-generation redefines expectations, aiming for no other target than to be uncompromising in any aspect a family may need or an individual may desire. The 2016 Mazda CX-9 is lighter, shorter and more economical than its first-generation predecessor that has been on the market for the past decade. The all-new 3-row sports SUV becomes the final vehicle in the Mazda lineup to receive the full SkyActiv efficiency treatment, starting with its powerplant. Gone is the Ford sourced 3.7L V-6, replaced by a 2.5L twin-scroll turbocharged I-4, the company’s first application of a petrol-turbo engine.

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Horsepower drops by 46hp to 227hp with the I-4 compared to the outgoing V-6, but torque is up 54Nm to 420Nm, all available at just 2,000 rpm. Burning premium fuel incresing horsepower to 250, but torque remains the same.

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Mazda expects a 20% increase in fuel efficiency based on initial estimates of U.S. EPA testing cycles, which the company says should make the CX-9 among the most efficient vehicles in its class.

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Mazda incorporates several features into the turbo system to create more efficiency and improve engine response. Chief among them is a unique Dynamic Pressure Turbo that uses a valve to route exhaust gases through a smaller port at low rpm to create higher pressure in the turbo, preventing turbo lag and allowing instant boost. At higher rpm, secondary valves open to allow free-flow of exhaust gas into the turbo.

Exhaust-gas routing also helps maximize turbo efficiency, with exhaust from the middle two cylinders directed through a single port while the outer two cylinders have individual ports. All three are mated into a single turbo inlet to assure constant exhaust pressure.

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Finally, fuel efficiency is the goal of using a cooled exhaust-gas-recirculation system that reduces the need to inject extra fuel as a way to reduce engine temperature. Mazda says the cooled EGR helps cut exhaust temperature 932° F (500° C) to just over 212° F (100° C), allowing a high 10.5:1 compression ratio.

Overall, the front-drive ’16 CX-9 is 198 lbs. (90 kg) lighter than the first-gen model – all-wheel-drive is 287 lbs. (130  kg) lighter – despite additional safety equipment, sound-deadening insulation and thicker glass. Mazda says NVH is down 12% at 62 mph (100 km/h).

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Mazda says the net effect of SkyActiv power and weight savings is that only 18 hp is needed to maintain 55 mph (88 km/h) – a 4-hp reduction compared to the previous model. The vehicle also requires far less downshifting to attain maximum power at highway speed.

The new CX-9 appears smaller than one might expect for a 3-row vehicle, due in part to its flowing styling that Mazda dubs Kodo – Soul of Motion design. This 2016 model at an overall length of 199.4 ins. (5,065 mm) is 1.2 in. (30 mm) shorter than its predecessor with shorter overhangs on both ends – 2.3 ins. (58 mm) in front and 1 in. (25 mm) shorter in the rear.

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At the same time, the wheelbase stretches 2.2 ins. (56 mm), which aids third-row access and legroom and smooths the ride, while the A-pillars shift backward 3.9 ins. (99 mm) to give the hood more length and help balance the vehicle’s proportions.

Inside, the CX-9 is available with auburn-colored Nappa leather, Japanese rosewood and aluminum in the flagship Signature trim level. Safety features include a suite of automatic braking, active cruise control and lane-keeping assistance systems.

This all new CX-9 is built at Mazda’s plant in Hiroshima, Japan and should arrive in Malaysia before the end of 2016.

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