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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.

Acura recalling 19.5K cars over automatic braking problem

Acura is recalling 19,502 vehicles to fix a software issue with their Collision Mitigation Braking System on the 2014-2015 MDX and RLX, plus the 2014 RLX Sport Hybrid. According to the National Highway Traffic Safety Administration the technology can falsely interpret things like metal fences and guardrails along the side of the road as obstacles and unexpectedly apply "emergency braking force." Obviously, that would be rather disconcerting while driving. Number of Auto Recalls by Model Year | AxleGeeks According to the detailed documents from NHTSA, the first account of this happening came from Japan in November 2013, and that vehicle was rear-ended when the system suddenly braked. Another incident was identified there in June 2014. However, there have been no reports of this happening in the US. The fix is quite simple, though and just requires a software update for the system. Affected owners will be notified by mail, and the repair will be done at no charge. Related Video: RECALL Subject : Activation of Collision Mitigation Braking System Report Receipt Date: MAY 20, 2015 NHTSA Campaign Number: 15V301000 Component(s): FORWARD COLLISION AVOIDANCE Potential Number of Units Affected: 19,502 All Products Associated with this Recall Vehicle Make Model Model Year(s) ACURA MDX 2014-2015 ACURA RLX 2014-2015 ACURA RLX HYBRID 2014 Details Manufacturer: Honda (American Honda Motor Co.) SUMMARY: Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX 2WD and AWD, RLX and 2014 Acura RLX Hybrid vehicles. In certain driving conditions, the Collision Mitigation Braking System (CMBS) may incorrectly interpret certain roadside objects such as metal fences or metal guardrails as obstacles and unexpectedly apply the brakes. CONSEQUENCE: If the CMBS unexpectedly applies emergency braking force while driving, there is an increased risk of a crash. REMEDY: Honda will notify owners, and dealers will update the CMBS software, free of charge. The manufacturer has not yet provided a notification schedule. Owners may contact Acura customer service at 1-800-382-2238. Honda's numbers for this recall is JQ4, JQ5 and JQ6. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Acura RLX gets chassis upgrades, AcuraWatch for 2016

As Acura's flagship sedan, it makes sense for the RLX be available with the brand's premiere technology. So for the 2016 model year, two trims of the luxury vehicle are getting the latest version of the AcuraWatch suite of safety tech. While the 310-horsepower, 3.5-liter V6 carries over, all trims of the 2016 RLX get an updated suspension tune with decreased spring rates and a less stiff rear stabilizer bar. The changes should provide a more plush, quieter ride inside. There's also a new color available called Acura Silver Metallic. When equipped with either Technology Package or the Advance Package, the 2016 RLX also gets a mix of cameras and radar to provide several safety luxuries that the brand wraps together as AcuraWatch. The system includes things like adaptive cruise control, collision mitigating braking and blind spot information. This improved version adds a Cross Traffic Monitor and Road Departure Mitigation. The latter aid watches the lines on the road to help keep the sedan in its lane. If RDM detects a possible accident, it can even provide steering and braking assistance. Furthermore, the Advance Package now receives Acura's Surround View Camera that places four cameras on the sedan to provide a 360-degree view when needed. The RLX's pricing remains the same from last year with the base version starting at $50,590, plus a $920 destination charge on all models. The Technology Package takes the price up to $54,450, and models with the Advance Package will run $60,450. 2016 Acura RLX Adds AcuraWatch™ and Other Enhancements to Elevate Premium Sophistication and Value AcuraWatch™ expands scope and content of safety and driver assistive technologies Chassis tuning enhances ride quality; 19-inch wheels with new bright finish standard on all trims Manufacturer's Suggested Retail Price (MSRP) unchanged With the most comprehensive suite of safety and driver assistive technologies yet available on an Acura, the 2016 RLX luxury sedan goes on sale March 3 with manufacturer's suggested retail prices (MSRP) unchanged from the previous model year. This price hold represents a significant value, especially for the Technology package due to the addition of AcuraWatch™ and Advance package that includes the first U.S. application of Acura's Surround View Camera system3. Both RLX packages will also adopt the application of Road Departure Mitigation (RDM) and Cross Traffic Monitor.