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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:

Acura MDX design lead details the crossover from beginning to today

Catalin Matei, principal designer at Acura, was the exterior design lead for the original 2001 MDX and had the same job for the new MDX Prototype. That’s just plain cool, and it makes him the MDX person of record when it comes to design.  Thankfully, Acura put him in front of a camera with the original and the new Prototype to talk design. That video is at the top of this post. MateiÂ’s background gives him a unique perspective on how MDX design has changed throughout the years. In the video, he walks us through his and AcuraÂ’s thinking and rationale for the three-row crossoverÂ’s design both then and now. ItÂ’s a great watch, as you learn how AcuraÂ’s crossover design philosophy has changed over the years. Where the original design tried to be elegant and clean, the new MDX takes a stab at sportiness and performance. This line of thinking is in tune with all of AcuraÂ’s most recent designs following the “Precision Crafted Performance” mantra. 2001 Acura MDX View 11 Photos Specifics on how the carÂ’s design has changed are called out by Matei. For example, grille design — itÂ’s much bigger now! The character line that wrapped around the original MDX has moved upward in the new MDX. This gives the new crossover a broad-shouldered and strong look that the old MDX just didnÂ’t have. And you probably wouldÂ’ve never guessed this, but the bodyside sculpting was inspired by the rocks in the Antelope Canyon. WeÂ’re not totally convinced.  One downside from the slick and “sporty” design may be unintentionally called out. The third row of seats is almost entirely shrouded by the body, as opposed to the massive windows in the original MDX. Those in the rearmost seats will have a much more claustrophobic experience than everybody else in the car. If you want all the details we know about the upcoming next-gen MDX, check out our reveal post here. Also, bookmark this page. WeÂ’ll check back in with Matei 20 years from now for the 2040 Acura MDX reveal. Related gallery: MDX Prototype View 35 Photos