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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.

Honda recalls 2.23 million vehicles to replace Takata inflators

The Basics: Honda and Acura will recall 2.23 million vehicles in the US. The affected models are: 2005-2012 Acura RL 2007-2011 Honda CR-V 2007-2016 Acura RDX (early production MY 2016 vehicles only) 2007-2014 Honda Ridgeline 2009-2014 Honda Fit 2009-2014 Acura TL 2010-2014 Honda FCX Clarity 2010-2014 Honda Insight 2010-2013 Acura ZDX 2011-2015 Honda CR-Z 2013-2016 Acura ILX (early production MY 2016 vehicles only) The Problem: These vehicles have Takata's PSDI-5 airbag inflator on the driver's side, and this part could rupture if the airbag deploys. Injuries/Deaths: There are no reported ruptures of the PSDI-5 inflator in Honda or Acura vehicles. However, Takata's exploding components have links to at least 10 deaths worldwide because they can spray shrapnel at occupants. The Fix: Honda and Acura dealers will replace the inflators with parts from an alternative supplier. If You Own One: The repairs will begin this summer. Owners will receive a letter notifying them about the recall within 60 days and will get a second message when the parts are available. The company will prioritize older models in high-humidity regions first because these inflators would be most likely to rupture. More Information: Honda and Acura have now recalled 8.51 million vehicles in the US to replace their driver or passenger side inflators. This latest expansion came in the wake of a driver death from an airbag rupture in a Ford Ranger. Ford and Mazda already enlarged their safety campaigns. The National Highway Traffic Safety Administration also announced Audi, BMW, Daimler Vans, Mercedes-Benz, Saab, and Volkswagen would have recalls for this issue, too. Statement by American Honda Regarding Nationwide Recall of Certain Takata PSDI-5 Driver Front Airbag Inflators Feb 3, 2016 - TORRANCE, Calif. Approximately 2.23 million Takata PSDI-5 driver front airbag inflators will require replacement in Honda and Acura vehicles in the U.S. No PSDI-5 inflator ruptures have been reported in Honda or Acura vehicles Takata inflators will be replaced with parts from an alternative supplier with repairs beginning in the Summer of 2016 Based on a recent Defect Information Report (16E-005) from the airbag inflator supplier, Takata, Honda will conduct a national recall (16V-061) of approximately 2.23 million Honda and Acura vehicles in the United States to replace, free of charge to vehicle owners, the PSDI-5 Takata driver front airbag inflators installed in those vehicles.

Acura to debut RLX sedan and ARX-05 racecar at Monterey

It's Monterey Car Week, culminating in the Pebble Beach Concours d'Elegance, and Acura plans to stay busy throughout, with debuts of its redesigned RLX flagship sedan and ARX-5 prototype racecar at several venues. In advance of those two reveals, Acura released two teaser videos (shown above and below), for those of us who can't make it to Pebble Beach. We told you quite a lot about the RLX last week and about the ARX-5 just before that. Sales of the previous generation have been slow, but this redesign, from its new diamond pentagon grille on back, could rectify that. Acura kicks off the week Tuesday as exclusive automotive sponsor of the Carmel-By-The Sea Concours on the Avenue, in Carmel's Devendorf Park. That's where it will debut the 377-horsepower 2018 Acura RLX Sport Hybrid. The NSX, NXS GT3 racecar, MDX Sport Hybrid and redesigned 2018 TLX A-Spec sedan will also be on display. On Friday at The Quail, Acura will unveil the ARX-05 prototype and will again show off the rest of the lineup. On Saturday, the ARX-05 will join a display of historic Acura racecars at this year's Rolex Monterey Motorsports Reunion. And on Sunday, the ARX-05 will be featured on the lawn at the Pebble Beach Concours d'Elegance. Dave Marek, Acura's global creative director, will serve as a Pebble Beach guest judge. Related Video: Related Gallery 2018 Acura RLX View 11 Photos Image Credit: Acura Design/Style Motorsports Acura Coupe Luxury Racing Vehicles Sedan