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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 mechanic takes owner's S4 home for the weekend

When you bring your car to a dealer, you expect a technician to take it out for a spin, just to make sure there aren't any noises, rattles or other behavior that you may have missed. Maybe they run a few miles along a predetermined test route or take a quick run down the highway. You do not, however, expect a tech to abscond with you vehicle for a full weekend
That is just what happened to Chris Jackson, though, an Audi S4 owner in Calgary. His car was taken to Glenmore Audi - as mandated in his lease agreement - due to an issue with the navigation system. After realizing he'd left something in the car, he swung by the dealer on Saturday to pick it up, only to discover the car wasn't on the dealer's lot.
Naturally, he approached the dealer about the missing sedan.

Audi Prologue Avant puts new styling focus on wagons

As much as we loved the Audi Prologue Concept that debuted late last year at the LA Auto Show – and, suffice it to say, we liked the first Prologue a lot – this new Prologue Avant from the German automaker may just rock our socks that much further off our feet. We have very little by way of actual, concrete details on what's under the angular wagon-shaped skin of the Prologue Avant, but we'd be perfectly content if it kept the previous two-door's 4.0-liter twin-turbo V8 in place underhood, augmented as it was when it was again shown at CES last month with a hybrid-assist system that put total system horsepower at 677, along with a meaty 701 pound-feet of torque. With all that power routed to all four wheels through an eight-speed automatic transmission, the 0-60 time of just 3.5 seconds strikes us as plenty quick. The powertrain details hardly seem the point of this new concept from Audi, in any case. Clearly, the big deal is the new bodywork, which builds upon the beautiful foundation of the original Prologue coupe with an elongated wagon shell and three additional doors (two rear doors and a rear hatch). The attractive body sits low to the ground on exaggerated 22-inch wheels, according to Auto Express. We note high-tech lighting elements front and rear and a modified front fascia with a bit more brightwork than the previous version. Assuming there's a bit of future reality baked into the Prologue Avant – which we believe is likely, considering that the coupe we salivated over in LA was said to point the way forward for the brand – it's safe to say we're in eager anticipation of the next several years at Audi. Have a good look at the images that have so far been released, and feel free to let us know what you think. We're sure Audi is interested in hearing your opinions, too. Related Video: News Source: Audi via Auto Express Design/Style Geneva Motor Show Audi Wagon Concept Cars Future Vehicles Hybrid Luxury Performance 2015 Geneva Motor Show