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Audi testing long-tail version of R18 e-tron quattro for Le Mans

Race teams are always looking for ways to shave hundredths of seconds of their lap times. Case in point: Audi is making some slight changes to its prototype racecar to make it ever so much more slippery as it cuts through the air.
Debuting at the second round of the FIA World Endurance Championship at Spa on May 4, Audi will be testing a long-tail version of its R18 E-tron Quattro racecar. As its name suggests, the long-tail car gets a lengthened rear section with the goal of improving aerodynamics. The long-tail will be run alongside the standard version of the racecar as a testbed for possible changes that might be in store, heading into the 24 Hours of Le Mans.
Audi did not say how many inches were added to the racecar, but as you can see in the image above, "long-tail" definitely doesn't take on the same meaning of classic long-tail cars of the past such as the Porsche 917. More information about the car, Audi's team and even some info about the track itself can be found below.

Audi planning RS Q7 performance crossover

Audi resisted getting into the crossover market altogether until it launched the original Q7 in 2005, and held back from producing a performance crossover until it caved first with the SQ5 and then with the RS Q3, both in 2013. And now that the tide has washed over it, Ingolstadt's next plan, according to Top Gear, is to launch a performance version of the new Q7. Though it remains unclear whether it would carry the S or RS badge, the performance-oriented version of the new Q7 will surely benefit from the hundreds of pounds in excess weight Audi managed to trim off the latest model over the one it replaces. Also unclear is whether said hi-po Q7 would go with a diesel or a gasoline engine. The diesel option would more likely go the S route than the full RS, but wouldn't be likely to make it to the States if it were only offered as a diesel. With the SQ5, it's worth noting, Audi offers a TDI diesel version in Europe and a gasoline TSI in North America, so we wouldn't be surprised to see it take a similar approach with the larger model as well. Whatever it does pack under the hood, though, the SQ7 or RS Q7 would be facing some stiff competition from the likes of the Mercedes GL63 AMG, BMW X5 M and Range Rover Sport SVR – not to mention corporate cousins like the Porsche Cayenne Turbo and upcoming Bentley Bentayga – while giving the Volkswagen group a bigger slice of that exclusive but expanding pie.

ABT Sportsline coming to US, premiering AS6 at SEMA

ABT Sportsline, known as ABT Tuning from its founding in 1967 until 1991, is a German aftermarket parts and tuning company that has focused on enhancing Volkswagens and Audis since the VW GTI bowed in 1978 (in Europe, at least) and races competitively in DTM (Germany's touring car racing series). The company has kept its roots in Europe for all of these years, but will debut the AS6, based on the Audi A6, at the Specialty Equipment Market Association (SEMA) in a couple weeks before opening up shop in Los Angeles in early 2014.
ABT focused on making the AS6 a balanced package by increasing engine output, tuning the suspension, giving it understated style and improving the brakes. Details are light, but the AS6's 3.0-liter diesel V6 makes 286 horsepower, a 41-hp increase over stock. Not paying attention yet? Torque jumps from 369 pound-feet to 500 lb-ft, endowing the Audi with a lot of much-appreciated low-rpm grunt. The springs are swapped out for a set of ABT units, and the body kit adds front and rear spoilers, side and rear skirts and carbon-fiber mirror covers. ABT's ER-C 20-inch wheels fit over new brakes.
We'll have more details on the car at SEMA, so stay tuned. But in the meantime, head on below to read the press release.