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A smoother operator | 2017 Acura MDX Sport Hybrid First Drive

There's a lot to unpack when trying to understand the 2017 Acura MDX Sport Hybrid. Acura is billing it as a three-row crossover infused with NSX technology via a sport-oriented hybrid drivetrain. So it's a hybrid crossover, sure. But it doesn't comport itself like a traditional crossover, nor is it a conventional hybrid. What it is, underneath, is an intentionally subtle blend of impressive technologies doing their best to appear transparent – and it's too subtle, I fear, to be appreciated by those who'd like it the most. This is a lot of foreshadowing, but if you're not familiar with the MDX Sport Hybrid's powertrain, let's fill you in. The MDX Sport Hybrid uses the same basic system as the 2014 RLX Sport Hybrid, with some newer NSX battery tech sprinkled in, packaged neatly into the refreshed third-generation MDX platform. The system improves handling and efficiency – but more important, it smoothes out the harshness of shifts and engine stop-starts. We do need to examine the system in some detail to understand how all this affects the MDX as a whole, so let's go toe to tail. Up front is a transversely-mounted 3.0-liter V6 making 257 horsepower and 218 pound-feet of torque, as well as featuring i-VTEC and cylinder deactivation. It's slightly smaller than the 3.5-liter V6 found in the conventional MDX and many other Honda and Acura products. Attached alongside is a Honda-produced 7-speed dual-clutch transmission that has a 47 hp, 109 lb-ft electric motor-generator stuffed inside. Amidships are the battery pack and the electronics to control it, and stretching aft from there are large cables feeding power to a pair of electric motors that reside in single housing, one for each wheel. Together, they produce electron witchcraft and torque-delivery wizardry – and add 72 hp and 108 lb-ft of torque to the mix. The total system output is 321 hp and 289 lb-ft of torque – a gain of 31 hp and 22 lb-ft over the conventional MDX SH-AWD. Beyond the raw numbers, there's the remarkable subjective benefit of the Sport Hybrid's drivetrain. Engine start-stop events are quiet and smooth, nearly imperceptible when under way – in stark contrast to the too-perceptible shudder of competing engines kicking on. The electric motors (mainly the one residing in the transmission) add in power to make up for the lull during a shift, making shifts up or down seamless, as well as providing regenerative capacity.

2016 Acura NSX grows into its updated styling for the 2015 Detroit Auto Show [w/videos]

It's not immediately clear at first glance, but the Acura NSX as it appears on the floor at the 2015 Detroit Auto Show is a far cry from the concept from the 2013 show. These days, the NSX packs a twin-turbo, longitudinally mounted V6 with over 550 horsepower on tap and nine-speed dual-clutch gearbox. Although, the three-motor hybrid setup remains with two units at the front and one for the rear axle. The numerous slashes and scoops make the design look much more aggressive than the earlier concept, but the changes go much deeper than the new skin. There's an inch of extra width and 3.1-inches more overall, including 0.8-inches extra length in the wheelbase. Underneath it all, is a carbon fiber floor and aluminum-intensive chassis to provide strength to harness all of its power. Unfortunately, Acura isn't specifically announcing engine output, the weight or the design's drag coefficienct yet, so there are still questions to answer. However production starts in fall 2015 with the order books opening in the summer. Pricing is among the factors that the Japanese brand isn't discussing, but it likely costs about $150,000 to park the company's latest supercar in your driveway. In the meantime, enjoy admiring this upcoming entry in the hybrid supercar market. Related Video:

2017 Acura MDX has a sharper face and Sport Hybrid option

The 2017 Acura MDX's new face takes inspiration from the more angular nose on the Acura Precision Concept, but there are even bigger changes under the skin. All models now have the full suite of AcuraWatch safety tech, and the available MDX Sport Hybrid is the third model from the brand to get its three-motor all-wheel drive system, after the RLX and NSX. The powertrain in the 2017 MDX Sport Hybrid pairs a 3.0-liter V6 with hybrid assist and a seven-speed automatic at the front and two more electric motors at the rear axle. Acura claims the system offers a total output of 325 horsepower, 35 more than the non-hybrid, and estimates that it gets 25 miles per gallon city, 26 mpg highway, and 26 mpg combined. If buyers spec either the optional Technology or Advance packages, they also get an Active Sport Suspension with Comfort, Normal, Sport, and Sport+ modes. Regardless of powertrain, all versions of the 2017 MDX now come standard with a suite of active safety systems. The huge array of tech includes Collision Mitigation Braking, Lane Departure Warning, Forward Collision Warning, Lane Keeping Assist, Adaptive Cruise Control, and Road Departure Mitigation. An electric parking brake and auto high beams are now among the regular features, too. Customers that opt for higher trim models can choose to replace the second row bench seat with captain's chairs and a center console with extra USB ports. The 2017 MDX also has a fresher style thanks to its diamond pentagon grille and more angular hood. To fit the new look, the LED headlights have a sharper design. The chrome sills had an extra visual flourish. The upgraded rear bumper with even better integrated dual exhausts looks great, too. Get a good look in the gallery above. Related Video: Refreshed 2017 Acura MDX Makes World Debut in New York with Bold New Styling, Upgraded Features and Sport Hybrid Powertrain Mar 23, 2016 - NEW YORK 2017 MDX showcases new diamond pentagon grille first seen on the Acura Precision Concept New Sport Hybrid powertrain delivers the ultimate in power and control while gaining 35 horsepower and anticipated to add 7 mpg to city fuel economy rating AcuraWatch™ safety and driver assist technology to be offered as standard equipment on all 2017 MDX models Acura today unveiled the restyled and refreshed 2017 MDX luxury SUV featuring bold new styling, added luxury features and available Sport Hybrid Super Handling-All Wheel Drive™ (SH-AWD®) powertrain technology.