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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.

2019 Acura MDX refresh brings some sharp enhancements

The outgoing Acura MDX has nothing to be ashamed of, but the thing about refreshes is that the engineers and product teams always have something to fine tune. Some of it is planned in advance — the cosmetic upgrades and the A-Spec trim were probably always part of the product roadmap. But there are also some tweaks that seem to be a response to customer feedback. Let's take a closer look. Most important, some of the goodies reserved only for the old Sport Hybrid will now be available on all MDXs. Notably, the Active Damper System — a continuously adjustable valve that controls the flow of hydraulic fluid within the damper — is available on non-hybrid MDXs for the first time. The system has several settings, from plush to firm. We found this system worked very well on the Sport Hybrid during our first drive, so it's a useful upgrade that buyers will be able to readily appreciate. Next up is an A-Spec appearance trim, which looks sportier but doesn't offer any additional performance or comfort features, just like the rest of Acura's A-Spec models at this point. For the MDX, wider 20-inch wheels and a combination of gloss black and "dark chrome" trim compliment a revised front fascia and grille. Inside, the seats get a mix of Alcantara and leather with contrasting stitching, there are unique gauges, sport pedals, and a thicker steering wheel. It looks decent enough, particularly inside, and there's enough there to make the trim stand apart from the more pedestrian trims. Oh, and there's an exclusive color: Apex Blue Pearl. A quick aside on prices: The base MDX without SH-AWD runs an MSRP of $45,295, and the A-Spec (only available with SH-AWD) is $55,795. Normal MDXs get a few more color options, although they'll cost extra: Majestic Black Pearl, Performance Red, and Canyon Bronze Metallic. One no-cost color option that's new is Gunmetal Metallic. Inside, there are some additional interior options, like Desert Olive Ash wood trim, contrasting seat stitching, and standard 4-way power lumbar adjustment on the front seats. Advance Package MDXs get wider 20-inch wheels, too. And now on to those tweaks and enhancements that might not have been planned a long time ago in a product meeting far away. The engine stop/start function has been tweaked to be smoother and quicker, thanks to an upgraded brake sensor and some software tweaks.

Poor headlights cause 40 cars to miss IIHS Top Safety Pick rating

Over the past few months, we've noticed a number of cars and SUVs that have come incredibly close to earning one of the IIHS's highest accolades, the Top Safety Pick rating. They have great crash test scores and solid automatic emergency braking and forward collision warning systems. What trips them up is headlights. That got us wondering, how many vehicles are there that are coming up short because they don't have headlights that meet the organization's criteria for an "Acceptable" or "Good" rating. This is a revision made after 2017, a year in which headlights weren't factored in for this specific award. This is also why why some vehicles, such as the Ford F-150, might have had the award last year, but have lost it for this year. We reached out to someone at IIHS to find out. He responded with the following car models. Depending on how you count, a whopping 40 models crash well enough to receive the rating, but don't get it because their headlights are either "Poor" or "Marginal." We say depending on how you count because the IIHS actual counts truck body styles differently, and the Infiniti Q70 is a special case. Apparently the version of the Q70 that has good headlights doesn't have adequate forward collision prevention technology. And the one that has good forward collision tech doesn't have good enough headlights. We've provided the entire list of vehicles below in alphabetical order. Interestingly, it seems the Volkswagen Group is having the most difficulty providing good headlights with its otherwise safe cars. It had the most models on the list at 9 split between Audi and Volkswagen. GM is next in line with 7 models. It is worth noting again that though these vehicles have subpar headlights and don't quite earn Top Safety Pick awards, that doesn't mean they're unsafe. They all score well enough in crash testing and forward collision prevention that they would get the coveted award if the lights were better.