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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.

Snapshots from Acura NSX prototype run at Mid-Ohio

Acura's achingly slow showing of the new, hybrid NSX saw yet another step yesterday, as we reported late last week. A powder-blue prototype ran ahead of the open-wheelers at the Honda Indy 200 at the Mid-Ohio Sports Car Course. Why show the NSX Prototype at Mid-Ohio? Honda's Ohio research and development center, which has taken the lead on NSX development, is just 60 miles from the track. And as race sponsor, Honda must have figured it would give the spectators a glimpse of the new supercar it's been teasing for the better part of a decade.
With a planned launch in 2015 (special emphasis on the "planned" part, considering the NSX's history), the NSX Prototype shown here sports graphics that "speak to Acura's intention to go racing with the new NSX." That's great news for fans of endurance racing, although it remains to be seen when a motorsports program for the new NSX will get off the ground.
Take a look at the fresh gallery of images, and be sure to head over to our original Mid-Ohio post for the video footage of the NSX Prototype on track.

Honda and Acura electric crossovers will be built by General Motors

General Motors will partially offset the cost of developing electric technology by manufacturing battery-powered cars for Honda and Acura, according to an unverified report. Ultium battery technology is at the center of the deal. Without citing sources, industry trade journal Automotive News wrote that Honda has agreed to enlist rival-turned-partner General Motors as one of its EV suppliers during the first half of the 2020s. The factory that currently builds Chevrolet's Blazer and Equinox in Ramos Arizpe, Mexico, will begin manufacturing a Honda crossover in 2023, meaning it likely won't arrive until the 2024 model year. On the other side of the border, the former Saturn plant in Spring Hill, Tennessee, will churn out an Acura crossover beginning in 2024, about two years after it starts making the Cadillac Lyriq. Neither model has been revealed, and Honda hasn't commented on the report. Insiders familiar with the contents of the firm's product pipeline told Automotive News that both crossovers will be about as big as the Lyriq (pictured), which will be close in size to the 190-inch long XT5. Power for the two models will come from the Ultium battery technology that General Motors is developing for over a dozen electric cars, including the GMC Hummer and a Chevrolet-badged pickup we might discover next week during CES 2021. Both EVs will be built by General Motors, and they'll be powered by General Motors-developed technology (some will even receive OnStar and the hands-free Super Cruise driver assistance system), but everything motorists see and touch will be Honda- or Acura-specific. We're not expecting that the tie-up will spawn a pair of blandly badge-engineered crossovers; stylists will likely give each one its own design identity inside and out. Honda had previously confirmed plans to build at least two electric models on General Motors bones, and it announced that its American partner would also handle manufacturing, but this is the first time executives are throwing Acura onto the stage. What remains to be seen — assuming the report is accurate — is whether the Lyriq will compete directly against its Acura-branded sister model, or if they'll be positioned in different segments. Related video: Featured Gallery Cadillac Lyriq show car Green Acura Honda Electric