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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.

NHTSA awards Audi A3 and S3 sedans five stars

The Audi A3 and S3 sedans aced the New Car Assessment Program tests run by the National Highway Traffic Safety Administration, each scoring five stars overall. The A3 sedan adds this latest five-star rating to its Top Safety Pick+ award bestowed upon it by the Insurance Institute for Highway Safety earlier this year, and Audi says it's the only Euro premium luxury compact to do that double. The only place either car dropped a single star was for a male driver in the frontal barrier test and in the rollover test. It's clear from the lengthening list of top marks – and its list of safety technology – that it's among the safest sedans you can buy. Featured Gallery 2015 Audi A3: Review View 36 Photos News Source: National Highway Traffic Safety Administration [1], [2] via Audi World Government/Legal Audi Safety Sedan crash test audi s3

After Le Mans exit, Audi adds World Rallycross to Formula E and DTM efforts

Back in October, Dieselgate claimed another victim: Audi's FIA World Endurance Championship program. Audi left at the height of its Le Mans racing prowess, having won 13 times overall in 18 years at the famous French race. We didn't expect Audi Sport to confine itself solely to the Formula E and Deutsche Tourenwagen Masters (DTM) series, and so today Audi announced that the company would officially back an existing FIA World Rallycross Championship (World RX) team, EKS, in 2017. EKS was formed by Mattias Ekstrom, who is also a factory Audi DTM driver with a couple of championships under his belt in that series. He's been competing in various rally and touring car series for years, and even snagged a ride in a NASCAR Sprint Cup race back in 2010 at Infineon Raceway. The EKS team came together in 2014, with Ekstrom fielding an Audi S1 EKS RX Quattro. And the team hasn't done too badly for itself; in 2016, it took the driver's and team championships. There's only so much Ekstrom's team as privateers can do to protect its championship from factory-backed teams, so that explains why Audi Sport was happy to step in with full support – including vehicle development supported by the actual motorsport department at Audi. Ekstrom will also continue on as a factory Audi DTM driver. Related Video: Motorsports Audi Racing Vehicles fia audi s1