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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.

Acura NSX is industry's first supercar with a female design lead

Michelle Christensen. Unless you've been casting about the web for some behind-the-scenes takes on recent exotic car launches or were unusually curious during the early days of the sport crossover trend, her name probably means nothing to you. She grew up in Northern California, where her family drag-raced. Venerables like the 1932 Ford, Plymouth GTX, and Dodge Super Bee rolled through her family garage. And Christensen grew up designing prom dresses for friends and dreaming of working in a pit crew. In fact, she didn't even realize car design was a real profession until junior high, when her father pointed out Chip Foose at a car show. After that, she was hooked, so she went to Art Center College of Design in Pasadena, where she reimagined the Plymouth Barracuda as her senior project. Today, Christensen can add the title of lead exterior designer on the 2016 Acura NSX to her resume. The first woman to lead the shape of a supercar, Christensen actually opened up her "First!" account with Acura in 2005 when the company swooped her up the night of graduation and she became its first female exterior car designer. Her first sketch on the job was a concept for the ZDX, and the bigwigs chose her design for production. She joined the NSX team after the mid-engined concept was introduced at the 2012 Detroit Auto Show, replacing the front-engined V10 concept (we encourage you to go back and look at what was versus what is). Christensen thereafter led a crew of eight through a rework of the sheetmetal, with the focus being to keep the "emotional, 3-D kind of feeling." Reminiscing about her family's utterly unadorned '32 Ford hot rod, she said the NSX team was committed to keeping the design simple and light. Wind tunnel work led to larger bumper, hood and side intakes for better airflow on the production model. That, along with a switch in engine position, gave them a chance to go aggressive and to not only "punch more holes in it and make it more exotic," but also "take it to the gym and beef it up." In line with its decidedly un-retro rebirth, the third brake light that runs across the decklid is about the only nod to its predecessor. At age 34, we're certain we haven't seen the last of Christensen or her designs. Related Video:  

Autoblog Podcast #372

Episode #372 of the Autoblog podcast is here, and this week, Dan Roth and Chris Paukert are joined by Peter Leung of RichlandF1 to talk Formula One, the impending demise of Bertone, and Honda spinning Acura off into its own division. We start with what's in the garage and finish up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the new rundown below with times for topics, and you can follow along down below with our Q&A. Thanks for listening! Autoblog Podcast #372: The video meant to be presented here is no longer available. Sorry for the inconvenience. Topics: Bertone goes bust Mercedes F1 Power Unit Honda spinning off Acura In the Autoblog Garage: 2014 Jeep Cherokee Limited 2015 Subaru WRX STI 2014 Land Rover Range Rover Autobiography Hosts: Dan Roth, Chris Paukert Guest: Peter Leung Runtime: 01:37:41 Rundown: Intro and Garage - 00:00 Formula 1 - 26:39 Bertone - 50:42 Acura - 01:02:19 Q&A - 01:14:38 Get the podcast: [UStream] Listen live on Mondays at 10 PM Eastern at UStream [iTunes] Subscribe to the Autoblog Podcast in iTunes [RSS] Add the Autoblog Podcast feed to your RSS aggregator [MP3] Download the MP3 directly Feedback: Email: Podcast at Autoblog dot com Review the show in iTunes Design/Style Marketing/Advertising Motorsports Podcasts Acura Honda Jeep Land Rover Subaru