2005 Acura Tsx Base Sedan 4-door 2.4l on 2040-cars

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Acura TLX caught naked in production guise, can you spot the differences?

Acura doesn't tend to do concept cars these days that don't foreshadow a specific upcoming production model. The ZDX prototype of 2010 previewed the production version, as did the ILX and RLX showcars of 2012 and the MDX of 2013. The NSX concept is on its way to production, as the SUV-X concept is likely to do as well in the coming years. So when Acura revealed the TLX prototype at the Detroit Auto Show a few months ago, we all but knew it would only be a matter of time before that, too, would be produced. And here it is.
Spied all but completely undisguised while undergoing testing, this pair of TLX prototypes (one in white, one in black) looks almost identical to the show car. You might spot a few minor tweaks here and there - the strip of LEDs in the lower front bumper have been replaced by round fog lamps and some of the chrome accents are missing - but by and large, we're looking at the same vehicle we saw in Detroit earlier this year.
The finished production version of the TLX is expected to debut at the New York Auto Show next month, after which it will replace both the TSX and the TL, slotting in between the smaller ILX and the larger RLX in Acura's sedan lineup.

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:

We drive the Acura TLX-GT racecar

Don't break the car. As you can tell from the video, that's the theme of the day at Gingerman Raceway in South Haven, MI. After two short lapping sessions in the Acura TLX-GT fear gave way to familiarity, and a second theme emerged: this is awesome. The anxiety was appropriate. There are only two TLX-GTs in the world, and both were at Gingerman that day. A mishap would potentially put either Ryan Eversly and Peter Cunningham out of contention for the subsequent Pirelli World Challenge race. I did not want to be that guy. But back to the awesome part. The TLX-GT is barely TLX, but more Acura that you might expect. The wheelbase, roof, and doors are all stock dimensions, although all the bodywork is carbon fiber. Out go the front MacPherson struts, in goes a special double-wishbone suspension. All-wheel drive comes from an XTRAC six-speed sequential transmission originally developed for Dakar Rally vehicles. The side mirrors are stock. Under the hood lies a 3.5-liter twin-turbo V6 with a stock block, head, crank, and throttle body. "Under the hood" is a generous term, though, because half of the engine sits inside the cabin. The front end of the block is aft of the front axle - the rest of the hood is taken up with radiators and hoses. To service the turbochargers, the RealTime mechanics remove the top of the dashboard. The front-mid engine location pushes the driver's seat back to the B-pillar, so you sit like Hightower from Police Academy. Only with less visibility. This does not calm the nerves. Nor does the din of 600 or so unmuffled horsepower. My first laps were understandably timid. But the TLX-GT is actually easy to drive. You get used to the low, rearward seating position almost immediately. Once rolling you don't need the clutch for shifts - just bang the right and left paddles to go up and down. I even became accustomed to the acceleration. At more than 3,000 pounds curb weigh the TLX-GT is quick, but not as explosive as cars like the Chevrolet Corvette Z06. Where the TLX-GT blows away road cars is in grip and braking, neither of which I fully exploited. The brake pedal is so hard you feel like you're standing on it just to get the pads to bite. Once engaged, they're like an endless well of deceleration, with ABS somewhere down at the bottom of the abyss. Second lapping session over, car returned intact and adrenaline high in full effect. I had the uncontrollable urge to get back behind the wheel. I mean, I barely had time to get up to speed.