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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.

The pre-race and first in-race report from Le Mans

The 2013, 90th anniversary edition of the 24 Hours of Le Mans has begun, tragedy marking the opening laps with the death of Allan Simonsen. We're at the track now as a guest of Audi and plan to stay through the evening, and even we haven't been able to find out what caused the accident - the only video is from just after the incident, and beyond the statement from ACO there's been no more news. The Aston Martin in the LM GTE Am class and its all-Danish drivers had taken pole in its class and was one of the favorites to win.
The pre-race report will come first, and even thought we can't spoil the race because we're only five hours into it at the time of writing, we'll put all of the news at the end in case you don't even want the updates.
Or you can go straight to the high-res galleries above.

2014 Audi SQ5 ditches diesel, still packs a punch

Over in Europe-land, the Audi SQ5 is a diesel-powered monster capable of sending a whopping 479 pound-feet of torque to its wheels. Naturally, this beast isn't coming to the States, but that doesn't mean we're missing out on the whole SQ5 experience altogether. At the Detroit Auto Show this week, Audi is debuting a new gasoline-powered version of the hot crossover, and while it's not quite the oil-burning dreamboat we've lusted after from afar, we certainly wouldn't kick it out of bed.
Instead of a diesel, we get a boosted version of Audi's supercharged 3.0-liter V6, good for 354 horsepower and 346 pound-feet of torque. Running through an eight-speed automatic transmission, the SQ5 will reportedly be able to fire off 0-60 times in the low-five-second range and will top out at an electronically limited 155 miles per hour. Suspension upgrades are on hand to improve road-going prowess, but also lower the Q5's stance a bit, too.
Because this is an S model, there are plenty of visual upgrades on hand, including a more aggressive front fascia, 20-inch wheels and some pretty new colors including Estoril Blue and Panther Black. Interior upgrades like Alcantara trim and aluminum brightwork add to some sportiness from the cockpit view, as well.