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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.

2021 Acura TLX Long-Term Update | Drive mode selector is a surprise delight

You may have seen last week my column espousing the sensory benefits of physical switchgear in cars. They can add a bit of fun and character in the smallest ways. As it turns out, our long-term Acura TLX has a great example of this idea: the drive mode selector. In most cars, drive modes are typically chosen via a nondescript button tucked away in the center console. Sometimes the selector is buried in an infotainment menu. But in the TLX, it’s a huge, gleaming knob placed front and center in the main control stack. It would be impossible to miss. ItÂ’s actually even more prominent than the buttons for shifting. 2021 Acura TLX A-Spec View 51 Photos With the size and placement, itÂ’s a nice dial to grasp, and works with smooth action and a solid stop in either direction for flipping through modes. But what really brings it together is the speed at which modes are selected, and the sound the infotainment system makes upon choosing one. In some cars it can take a long time for the system to acknowledge your selection and engage it, but the Acura activates it nearly as soon as youÂ’ve let the dial snap back to center. And it confirms your choice with sort of whoosh-y electronic clink through the speakers. ItÂ’s the kind of quick reaction and sound design you get from high-quality video game menus. All of these aspects make the TLX nicer to use and feel more premium. It doesnÂ’t feel like a hassle to change drive modes since it takes very little time and works well. ThatÂ’s especially welcome if you like driving it in the sport mode, since the car defaults to the normal mode on start-up. It also makes the car feel like it has fast-acting software befitting a premium car. It may seem like a small thing, but small things matter when cars have become so good. And I appreciate that Acura took its time with this seemingly little component. Related Video:

2016 Acura NSX grows into its updated styling for the 2015 Detroit Auto Show [w/videos]

It's not immediately clear at first glance, but the Acura NSX as it appears on the floor at the 2015 Detroit Auto Show is a far cry from the concept from the 2013 show. These days, the NSX packs a twin-turbo, longitudinally mounted V6 with over 550 horsepower on tap and nine-speed dual-clutch gearbox. Although, the three-motor hybrid setup remains with two units at the front and one for the rear axle. The numerous slashes and scoops make the design look much more aggressive than the earlier concept, but the changes go much deeper than the new skin. There's an inch of extra width and 3.1-inches more overall, including 0.8-inches extra length in the wheelbase. Underneath it all, is a carbon fiber floor and aluminum-intensive chassis to provide strength to harness all of its power. Unfortunately, Acura isn't specifically announcing engine output, the weight or the design's drag coefficienct yet, so there are still questions to answer. However production starts in fall 2015 with the order books opening in the summer. Pricing is among the factors that the Japanese brand isn't discussing, but it likely costs about $150,000 to park the company's latest supercar in your driveway. In the meantime, enjoy admiring this upcoming entry in the hybrid supercar market. Related Video: