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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.

Auto Express gets close-up look at the 2016 Audi R8

Audi invited Auto Express to the Ascari circuit in Spain to get a ride in the new R8 that will be introduced at the Geneva Motor Show. Jack Rix starts by giving us a walkaround of the camouflage-covered coupe, the obvious difference between it and the leaked image from a couple of weeks ago being the slatted front intakes. However, those intakes are present on the image Audi teased showing off one new, slimmer, laser headlight. The biggest shock: there will be no V8 model at launch - there will be one engine in two levels of tune. The first is the 5.2-liter R8 V10 with 540 horsepower, a bump of 15 hp over the present car. The second is the 5.2-liter R8 V10 Plus with 610 hp, a leap of 60 hp over the current model. That hotter trim, identified by its fixed rear wing, drops the 0-60 mile per hour time by a half-second to 3.2 seconds, and increases top speed seven miles per hour to 205 mph. Rix ran his fingers along the intakes behind the door and said he could feel sideblades, so all is not lost - what would an R8 be without sideblades? More obviously, on the V10 Plus Rix looked over there are new trapezoidal exhaust tips framing a serious diffuser in back. Underneath, the aluminum chassis adapted from the Lamborghini Huracan is 15 percent lighter than before and 40 percent stiffer. Shifting will be done via a seven-speed S-tronic dual-clutch transmission only. There are seven driving modes, a switchable exhaust note, and more direct variable steering. The German test driver Rix rode with said the new R8 is easier to drive faster, which - no matter what you think of the looks - will make it pretty special. News Source: Auto Express via YouTubeTip: Clark Geneva Motor Show Audi Coupe Luxury Performance Videos

2014 Audi RS5 Cabriolet [w/video]

Brash Bruiser Loses Top, Gains Weight, Still Makes Friends
Everything we said after driving the RS5 coupe still rings true, even after Audi has gone and ripped off its metal roof, replaced it with a big cloth version, and tossed us the keys. The 2014 Audi RS5 Cabriolet is another bold, big-boned airmobile to make open-top lovers swoon. There is absolutely nothing revolutionary to speak of here versus its hardtop counterpart, frankly, but tear-assing through the southern French hills as the brilliant sun warmed us is plenty good reason to talk a lot about it anyway. And hey, it beats frigid January in Detroit, where the RS5 Convertible is shortly to receive its US introduction.
One issue that could corrupt things a bit is the convertible's added weight factor. It's one thing when an Audi TT removes its top and gains 176 pounds, or when a Porsche Cayman morphs into a Boxster and gains 66 pounds; the effect on dynamics will still be acceptable. But when it comes to a huge-roof coupe like the RS5, that gain in mass becomes 400-plus pounds in cabrio form, for a grand curb weight of 4,461 pounds. As a number attached to this size of a car that's also branded with an RS badge promising raciness, we admittedly fretted. Then we drove the Audi RS5 Cabriolet to cheer up.