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2021 Acura TLX Type S First Drive Review | Adapting to a changed world

SALINAS, Calif. — A lot has changed since Acura offered its last Type S model over a decade ago. Tesla's EVs have plundered a sizable chunk of market share, Korean manufacturers have stormed the near-luxury and luxury segments, and Acura, in an effort to restore the luster of their once-revered nameplate, rebooted the legendary NSX as a hybrid-powered supercar halo with the hopes that desirability (and some hardware) will trickle down into the rest of the lineup.  That last part is key to understanding the mission of the new 2021 Acura TLX Type S. Though the premium sport sedan segment isnÂ’t necessarily hotly contested, the Type S still plays a critical role in bolstering the brandÂ’s credibility. Positioned as a step above the turbo four-cylinder-powered TLX ($39,500) and the better-equipped TLX A-Spec ($45,500), the TLX Type S starts at $53,325 and packs a number of performance upgrades that make it high-performance capable. Just don't expect it to be as track-worthy as a Honda Civic Type R. The Type S is built on AcuraÂ’s stiffest sedan chassis to date. Packing an all-new twin-scroll turbo 3.0-liter V6 under its flared hood, the Type S makes 355 horsepower and 354 pound-feet of torque. Despite gains of 83 hp and 74 lb-ft, combined fuel economy drops only 3 points to 21 mpg with the hotrod V6. Aiding the cause is a cylinder deactivation system and active vibration control to mask the transition between six and three cylinders.  Chassis updates include extra bracing for a 13% stiffer body, 40% stiffer front springs, thicker stabilizer bars, more aggressive shock valving, retuned steering, and larger four-piston Brembo brakes. Standard 20-inch wheels and tires are the largest yet for TLX, and Pirelli P Zero summer tires are available with an NSX-inspired design. Tying it all together are drive modes with a new Sport+ setup: Turn and hold the centrally positioned mode selector for 1 second, and throttle response, shifting, exhaust valve, steering effort, damping, torque vectoring, and even interior lighting take on a more aggressive calibration. To showcase these enhancements, Acura held the Type S first drive at WeatherTech Raceway Laguna Seca, hauling up a few historic vehicles for good measure including a first-gen NSX and a Honda S2000 CR. Old school Type S specimens included a 2001 CL, 2007 TL, and a 2007 RSX.

2020 Acura NSX Suspension Deep Dive

The Acura NSX has been a special car as long as I’ve been in the business. The first one came out in 1990, the same year I started my career in automotive engineering. I vividly remember driving one briefly back then when we brought one in for benchmarking. I'd drive it again 22 years later when my previous employer bought a used 1991 example for a long-term test. Reader interest was sky-high and the car was still gorgeous, but the march of time and automotive engineering had clearly left it behind. Then, in 2016, a second-generation NSX emerged, and it was packed with bleeding-edge thinking. It has a 3.5-liter twin-turbo V6, but this new NSX is a hybrid with an electric motor-generator sandwiched between the engine and its nine-speed DCT transmission. Two more electric motors – one for each wheel – power the front axle. There they can add traction, regenerate electricity under braking and dole out hyper-accurate levels of torque vectoring. The carÂ’s tire package was changed from Continental SportContact 5 to SportContact 6 tires in 2019, and numerous suspension re-tuning tweaks came along with them. The result is a lively and well-balanced car that is relentless when driven hard and a pussycat around town. LetÂ’s see what theyÂ’ve got going on under there.   At first glance the 2020 Acura NSX appears to have dual wishbone front suspension. But we canÂ’t tell for sure because that big two-piece brake rotor is in the way. The coil-over shock looks obvious, but a few odd details are apparent even from here.   This view also seems to indicate double wishbone suspension. But the pivot axis (green arrow) between the upper and lower ball joints looks wrong – itÂ’s far too vertical. WeÂ’re missing something. But I would be remiss if I failed to point out a few other things before we moved on. For one, the front drive axle confirms this to be an all-wheel-drive machine. Second, the forged aluminum damper mounting fork (yellow) that envelops the axle is mounted to the lower arm about 75% out from the armÂ’s inner pivot. The spring and damper motion ratio would be 0.75-to-1 relative to wheel movement, with a tiny reduction due to its lean angle. Lastly, just look at the huge cast aluminum upright (white). Beautiful. Normally these are called hub carriers or steering knuckles, and I use the terms interchangeably. But the motorsports-derived term upright is normally applied when the piece is tall and, well, upright like this one.   This explains everything.

Acura preps ILX for endurance racing challenge

Acura has used the occasion of this year's SEMA show to unveil a 2013 ILX that is remarkably different from the road-going car that we are familiar with. A far distance from the rather mildly performing street car, this ILX Endurance Racer is actually prepped to race at the grueling 25 Hours of Thunderhill in Willows, California.
The ILX racers (Team Honda Research has prepped two of them for the race) have actually each been constructed using two donor ILX sedans: one body-in-white chassis and one full production-spec car that donates powertrain, interior and electronic components. Overall, increasing the performance of the car was done mostly through extensive weight reduction rather than bumps in power. No figures have been given for the output of the ILX's K24Z7 engine, though we are told that a custom intake and exhaust have been fitted, as well as a racing flywheel.
A prominent LED lighting system dominates the front fascia of the ILX, along with a huge front splitter, while a massive wing speaks to the intentions of the car.