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2021 Acura TLX Long-Term Update | Tuneful turbo-four soundtrack

I used to be enamored with the turbocharged 2.0-liter engine format. I owned a 2004 Subaru WRX, with its turbo boxer mill, and liked it quite a bit, rough though it could be. Then turbo-fours, often displacing the same 2.0 liters, began replacing heavier and thirstier naturally aspirated V6 powerplants across the industry, and I was on board. Since then, they’ve become much more refined and responsive, all while their often uninspiring soundtracks faded into the background as automakers worked to improve the experience inside the cabin. TheyÂ’ve also become so ubiquitous that, apart from certain standouts like the turbo boxer in the Porsche 718, they ceased to be as exciting to me. Then AutoblogÂ’s long-term 2021 Acura TLX arrived in my driveway, equipped with a 2.0-liter turbo I4. I was excited about the styling and the handling, but I didnÂ’t expect this four-pot to make a huge impression on me. The first time I opened her up under wide-open throttle, though, I was pleasantly surprised. This 2.0TÂ’s 272 horsepower and 280 pound-feet of torque are ample motivation for this sporty sedan, even with all-wheel drive and a 3,990-pound curb weight. It wonÂ’t knock your hat into the back seat, but itÂ’s quick enough, especially in Sport mode. The thing that really won me over with this 2.0T, though, is the sound. Ripping to this thing's 6,800-rpm redline produces a melodious song that sounds a lot more exciting and expressive than most other fours. The cherry on top is the punctuated hiss of the turbo releasing its pressure when you get off the throttle. The amplitude of the engine note is manipulated using AcuraÂ’s Active Sound Control. As an Acura spokesperson explained it: “Active Sound Control uses the TLXÂ’s speakers (whether audio is playing or not) to add sound (same-phase or reverse-phase) to the cabin that smooths the sound of the engine heard inside the cabin. Engine noise doesn't increase in a linear way with rising revs; instead there can be many resonances that create peaks and valleys in the sound pressure level and an uneven sound. The level of ASC is tailored to each drive mode (Comfort, Normal and Sport).” Put another way, ASC is basically an electronic filter that can deaden or amplify the sound and smoothen it out, similar to how active suspension damping adjusts to the situation and drive modes to either let in more or less road feel, while actively eliminating the harshest of vibrations.

2019 Acura NSX inner workings revealed in Shin Yoshikawa cutaway drawing

Artist Shin Yoshikawa is known for his intricate drawings of cars, which show every little detail under the metal skin in a cutaway fashion. The hand-drawn, pointillist pencil work re-creates the cars in immense detail, and Yoshikawa's work has been celebrated for years. Some time ago, Yoshikawa was featured on "Jay Leno's Garage," talking about his art and just how much work it is to draw the cars like he does. Now, Yoshikawa has been asked to draw the Acura NSX, and the result is fantastically good, showing everything that makes a new NSX tick — including its SH-AWD power unit. Yoshikawa says the powertrain made the NSX a real challenge to re-create on paper. "The NSX's innovative power unit was extremely challenging to draw, making the second-generation NSX the most difficult vehicle I have sketched," Yoshikawa said. "Everything comes down to the details. If you don't understand the technology that goes into building vehicles, you won't be able to build them, and you certainly can't draw them." It took Yoshikawa months of work and background research to be able to draw the final result. The amazing thing is that the car was "largely" drawn from notes and memory, showing how deeply Yoshikawa gets into his work. The NSX was also updated for 2019, after two model years. For next year it gets a new exterior color, Thermal Orange, and some structural improvements to make it stiffer and more responsive, says Acura.Related Video: Driving Iron Man's Favorite Supercar, The Acura NSX | Translogic 215

2016 Acura RDX arrives with freshened styling, powertrain enhancements [UPDATE]

UPDATE: The 2016 RDX comes with a six-speed automatic transmission, not a nine-speed. The text below has been edited to reflect this. Launched in 2012 for the 2013 model year, the second-generation RDX is hardly an old vehicle, and the luxury crossover is coming off its best sales year ever, according to Acura. Still, three years after the debut, the Japanese automaker is giving the CUV a thorough refresh with a facelift and bountiful new tech at the 2015 Chicago Auto Show, with sales set to kick off this spring. The most obvious update at the front for the 2016 RDX is Acura's Jewel Eye LED headlight array already found on some of its other models, but the improvements go a lot further than just the lighting. All of the fascia's lines appear just a little sharper and the added chrome helps grab the eye. The refinements are similar at the rear, where there are now LED taillights. While not obvious on the surface, the structure underneath is supposed to offer better frontal crash performance, too. Acura's engineers turned their attention to the RDX's powertrain for some tweaks, as well. The crossover now benefits from a nine-speed automatic gearbox to replace the previous six-speed. The 3.5-liter V6 with cylinder deactivation also gets a slight upgrade to make 279 horsepower and 252 pound-feet of torque – up 6 hp and 1 lb-ft over the 2015 model. The changes benefit fuel economy by one-mile-per-gallon on the highway with ratings of 20 mpg city and 29 mpg highway for the front-wheel drive version and 19/28 with all-wheel drive. The 2016 RDX is also packed with new tech to improve drivability and safety. Active front and rear engine mounts should improve NVH, and the all-wheel-drive system has more rear bias. Inside, the cabin trim sees an update, and heated front seats are standard. The optional Technology Package now gets an eight-way power front passenger seat, the company's dual-screen multi-info display and both blind spot and rear cross traffic monitoring. However, for those looking for a ton of gadgets to brag about, the new Advance Package option is the place to be. It includes rain-sensing wipers, front fog lights, remote engine start, ventilated front seats, front and rear parking sensors, an auto-dimming driver's side mirror and the full suite of the AcuraWatch safety assist functions.