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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 trademarks ZSX, could be for baby NSX

While there have been many rumors dating back to 2008 about a mid-engined sports car from Honda, last year's report was provided the most detail about what seemed to be a scaled-down version of the NSX hybrid supercar. Honda may have added some fuel to the rumor-fire by recently filing a trademark application for "ZSX," reports Australia's Performance Drive. The trademark application was sent to the European Union Intellectual Property Office late last month and is obviously close to the NSX nomenclature. The Australian outlet also reports that an unnamed source within Honda claims the ZSX, whatever it may be, could be revealed as early as next year. The anonymous employee also claims that the ZSX will be offered as a coupe and a hard-top convertible variant, with both being powered by the automaker's 2.0-liter turbocharged four-cylinder engine from the Honda Civic Type R. Just like the NSX, the ZSX is rumored to get electric motors on the front and rear axles. Previous reports match the unnamed source's claims, as the ZSX was expected to be a replacement for the Honda S2000 that ended production in 2009. It now sounds like it'll be more of a mini-NSX, with rumors pointing towards one electric motor powering the rear wheels, while two motors would be on the front axle. Patents from last year, which are pictured above, match the rumors of a mid-engined sports car. The ZSX trademark is for Europe only as of right now, while the automaker's previous patents and trademarks included the US, as well. Only time will tell if "ZSX" really stands for a sports car, or if Honda actually goes through with its plans. Remember, Nissan ditched similar plans for a small rear-wheel-drive sports car recently. Related Video: Featured Gallery Honda ZSX Patent News Source: EUIPO, Performance DriveImage Credit: autovisie Green Acura Honda Coupe Hybrid Performance trademark rumor honda nsx

Autoblog Podcast #343

George Kennedy from Boldride.com, BMW i3, NACTOY long list, Bentley SUV
Episode #343 of the Autoblog podcast is here, and this week, Dan Roth and Steven Ewing are joined by George Kennedy, Autoblog alum and Editor-in-Chief of Boldride.com. Topics include the unveiling of the BMW i3, the 2014 North American Car and Truck of the Year long list, and the green-lighted Bentley SUV. As always, we start with what's in the garage, but then answer some of your questions before diving into the week's news. For those of you who hung with us live on our UStream channel, thanks for taking the time. You can follow along after the jump with our Q&A. Thanks for listening!
Autoblog Podcast #343: