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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.

2018 Acura RLX refresh packs a new face and NSX DNA

The redesigned 2018 Acura RLX is here, and it's the fastest and most capable sedan the company has ever built. While not all new, there's a host of changes both inside and out, through the two powertrains carry over unchanged. The RLX Sport Hybrid packs a bit of NSX DNA to go along with the new family face. The car will make its full reveal next week at Pebble Beach before it hits showrooms later this year. The first Acura RLX debuted in 2013 as a replacement for the range-topping RL sedan. Sales have been slow, though a slimmed down lineup may help that. Powertrains remain the same, but refreshed styling and the removal of the controversial "beak" grille may help bring in some new blood to Acura dealers. The car comes in two variants, the 310 horsepower RLX with Precision All-Wheel Steer (P-AWS) and the 377 horsepower RLX Sport Hybrid with Super Handling All-Wheel Drive (SH-AWD). That's a lot of acronyms, but there's a lot of tech behind those names. Both models use a 3.5-liter direct-injected V6, though the Sport Hybrid backs that up with three electric motors. It's a similar setup to the Acura MDX Sport Hybrid that we drove in the spring. The RLX P-AWS now sends power to the front wheels through a new 10-speed automatic. Both models get new styling, following on the heels of the updated Acura TLX. The beak is gone, replaced by what Acura dubs the "diamond pentagon" grille. It's handsome and sure to be less divisive than before. In addition to the grille, the RLX gets a new hood, new wheels, and new lighting, with a sea of LEDs lighting up the face. The 2018 model gets three new paint colors to go along with the new bodywork. The RLX Sport Hybrid sits atop the Acura sedan range. As such, standard features include a Krell Audio System, surround view cameras, parking sensors, LED fog lights, remote engine start, ventilated and heated front seats, and heated rear seats and steering wheel. The RLX is available with the AcuraWatch suite of active safety technology. Similar to HondaSense, AcuraWatch comes with automatic emergency braking, lane keeping assist, lane departure warnings, forward collision warnings, adaptive cruise control, and low-speed follow. Unique to AcuraWatch is traffic jam assist. This system works with the adaptive cruise and low speed follow to keep the vehicle moving and following at a set distance in heavy traffic. Look for more photos and pricing later this year.

The cars that won't live to see 2015 [w/video]

Every year in the fast-paced automotive industry brings new models, but it also spells the end for some that have been less successful. This year will be no exception.
Japan's automakers make up the bulk of the list of discontinued models for the 2015 model year: Acura is replacing the TL and TSX with the new TLX sedan, Honda is bidding farewell to the Fit EV as the new Fit hatchback takes its place, and Nissan is saying goodbye to both the Cube and Murano CrossCabriolet. Both the Nissan Maxima and Mazda2 exit stage left before their upcoming replacements arrive, while Toyota is terminating the RAV4 EV and FJ Cruiser as well as the Scion xD, and Lexus IS C and IS F that are being effectively replaced by the new RC. Meanwhile Infiniti is finally discontinuing the G37 that was already replaced by the newer Q50.
From our own domestic automakers, Cadillac discontinues the CTS-V sedan and wagon as the new CTS rolls in, Chevy is canceling the mild-hybrid Eco versions of the Malibu and Impala sedans, and Chrysler is killing off the 200 convertible as the new 200 sedan arrives.