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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 recalling 183k cars and crossovers over unintended braking issue

A recall has been issued for nearly 183,000 Honda and Acura brand vehicles from the 2005 and 2006 model years. The problem stems from a potential malfunctions to the vehicles' stability control and braking systems.
Drivers have reported a malfunction to Honda's Vehicle Stability Assist system, though to date, no crashes or injuries have been reported as a result of it. Some of the vehicles' Vehicle Stability Assist (VSA) control units may have an electric capacitor that was damaged during manufacture. A damaged control unit could cause the VSA system to apply brake force for a "fraction of a second" without any driver input, or could add additional brake force if it malfunctions while the driver is already braking. Either example could increase the risk of a crash.
To fix the issue, Honda will install a new electrical sub-harness, free of charge to the owner. The recall specifies 101,000 Honda Pilot (pictured), 60,000 Acura MDX and 21,000 Acura RL vehicles from the 2005 model year will be affected. An additional 800 MDX crossovers from the 2006 model year are also included in the recall. In addition, 51,000 of the affected 2005 Pilots will be inspected to be sure that a ground bolt for the VSA system is properly tight. Should this bolt come lose, similar unexpected brake activation may occur.

2024 Honda Prologue name announced, and an Acura EV follows

Honda is revealing a couple of little nuggets of information about its future EVs today, shedding more light on the partnership between it and GM on electric vehicle technology. The big news is that Honda’s first new EV made in this partnership will be called Prologue, and it will be an SUV produced for the 2024 model year. HondaÂ’s “Prologue” logo is revealed with this news, and a few additional details about the car itself are, too. On the obvious front, Honda says the Prologue will ride on GMÂ’s global EV platform and use GMÂ’s Ultium battery technology. The company is also promising “versatility and driving range on par with our current lineup of rugged SUVs.” “Our first volume Honda BEV will begin our transition to electrification, and the name Honda Prologue signals the role it will play in leading to our zero-emission future,” says Dave Gardner, executive VP of American Honda. “The Prologue will provide our customers with a battery-electric SUV with the excellent functionality and packaging theyÂ’ve come to expect from Honda.” ItÂ’s not just Honda that will join in on the fun, though. An electric Acura SUV was also announced today. Just like the Honda, it will use GMÂ’s electric vehicle platform. A model year for the Acura wasn't promised, but Honda claimed it would be revealed “in the 2024 calendar year.” Any details beyond what you see here are being kept under wraps by Honda. WeÂ’re told to expect more “specific details” to be released over the coming months. Basically, expect a slow drip of information about the Prologue leading up to a full reveal where Honda finally shares all there is to know about the SUV. Looking even further into the future, Honda promises EVs based on an in-house-developed EV platform sometime in the second half of this decade. For now, itÂ’s calling this future platform “e:Architecture.” Ultimately, Honda promises that 100% of its auto sales in North America will be fully electric by 2040. The 2024 Prologue is the brandÂ’s first step toward this ambitious goal. Related video: