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Acura TLX Type S vs. BMW M340i xDrive | Sport sedan comparison test

Luxury sport sedans are still turning up on the market, and the Acura TLX Type S is one of the freshest cuts of meat in the window. It’s AcuraÂ’s big return to Type S performance models. Benchmarked against the proverbial best performance sedans of the segment, Acura is aiming to not just to compete, but to win dogfights like these. To see if the return of Type S is all itÂ’s cracked up to be, we decided to pin it up against the historical king of sport sedan shootouts: a BMW 3 Series. Specifically, the Type S is taking on the M340i xDrive, which is this AcuraÂ’s most natural competitor from Munich. Should the diehard BMW driver make the switch to Japanese performance? Does Type S do enough to lift this Acura up to best GermanyÂ’s finest? There are a lot of variables at play here, and they all make it complicated to choose a winner. The similarities between these two begin from the top of the spec sheet and go down. Both have 3.0-liter turbocharged six-cylinder engines — BMW arranges its cylinders inline, while Acura chooses a V configuration. Quick-shifting automatic transmissions are standard. BMW uses an eight-speed unit, while Acura uses a 10-speed. Both get electronically-controlled dampers, big brakes and sticky summer rubber. They each offer up usable backseat space and reasonably-sized trunks. WeÂ’d feel just as confident showing up to an important business meeting in either one as we would at a track day. ThatÂ’s the beauty of this mid-tier performance segment. After looking at their specs, it shouldn't be surprising that the M340i is the quicker of the two here. Its 382 horsepower and 368 pound-feet of torque hit noticeably harder from any speed than AcuraÂ’s 355 horses and 354 pound-feet of torque. The Acura is also carrying an extra 232 pounds of curb weight over the Bimmer, which makes the M340iÂ’s 1-second advantage in the 0-60 mph sprint make perfect sense. For the record, BMW quotes a 4.1-second time, and Acura only offers an approximate time of 5 seconds. Both estimates feel accurate. Beyond sheer acceleration, both engines offer up their own version of tingly feel-goods. BMWÂ’s inline-six is as smooth as ever as it plays its sonorous note all the way to the 7,000 rpm redline. There are few sounds in the automotive universe that surpass the glee we feel when listening to a BMW inline-six at full-chat, and that rule still applies to the M340i.

2014 BMW 740Ld xDrive does diesel in a big way

Slowly but surely, BMW is expanding its lineup of diesel-powered models here in the United States. In addition to the 328d sedan and wagon, 535d sedan and X5 xDrive35d crossover, we now have this, the BMW 740Ld xDrive (not to mention the refreshed 2015 X3 xDrive28d that also makes its debut here in Chicago). As its name - and the photos above - suggest, this means BMW is offering diesel power in its flagship, long-wheelbase 7 Series sedan, set to directly compete with the likes of the excellent Audi A8 TDI.
Under the hood is BMW's familiar 3.0-liter turbocharged diesel inline-six, delivering 255 horsepower and 413 pound-feet of torque, all of which is sent to the road via the company's xDrive all-wheel-drive system and ZF eight-speed automatic transmission. That torque thrust is available straight away from 1,500 rpm, and BMW says the 740Ld xDrive will sprint to 60 miles per hour in a very respectable 6.1 seconds. Official fuel economy estimates haven't been released yet, but we expect the car to net highway fuel economy ratings in the mid-30 range.
The 740Ld xDrive arrives in BMW showrooms this spring, priced from $82,500, not including $925 for destination. We're pretty stoked to drive it. But in the meantime, have a look at fresh images of the big sedan live from the Chicago Auto Show, above.

BMW i8 could get 300-hp, 2.0L turbo-four

First and foremost, the long-rumored, high-performance BMW i8 will not be called the i8 M. While the lack of an M badge might be a disappointment, it's fair to say the performance of the new model likely won't be. AutoExpress claims BMW is developing a new 2.0-liter, turbocharged, four-cylinder that will take the place of the i8's three-cylinder engine. Offering an even 300 horsepower, up from the current car's 228, total system power would sit around 450 ponies, thanks to the extra cylinder. The electric system won't be fettled with, though. If that still sounds modest, it's because it is – AE's source claims the i8 could handle another 300 hp. BMW would also make a concerted effort to at least maintain the current i8's weight, even with the extra heft of the 2.0-liter turbo to deal with. AutoExpress's source claims that BMW could skip the paint on certain exterior carbon-fiber elements while also offering a more focused, minimalist cabin to save even more weight. According to AE, this new model should arrive as early as 2016, which could result in a debut in Frankfurt this September, Los Angeles in November, or even Detroit, in January.