2002 Audi A4 3.0l Quattro Blk/blk W/ 73k Miles on 2040-cars

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Audi celebrates 25 years of TDI

Nope, the diesel engine never really did go out of style for Audi. Now, the German automaker has released a video reminding the world of its persistence with the oil-burners and is commemorating the Silver Anniversary of Audi's first commitment to turbodiesels in 1989. And, yes, there are some road racers shown in the clip, so some of those bad boys actually move pretty well. Audi engineers on camera admitted to some of the early TDI engines being "slow" but still valuable for their torque and, obviously, their fuel economy relative to gas-powered engines. A bunch of tinkering later, though, and Audi says its diesels can be a legitimate "part of a performance car" and has even overcome the issue of noisiness that's often associated with diesels. The automaker made some news in these parts a few years back when its Audi A3 TDI won the 2010 Green Car of the Year at the annual LA Auto Show in late 2009, and the model even succeeded a fellow diesel (the Volkswagen Jetta TDI) to boot. Granted, diesel sales aren't nearly as popular in the US as they are in Europe. Still, Audi last year boosted its diesel sales in the US by 40 percent to 10,076, which was about a tenth of what sister company Volkswagen sold in diesels last year in the States. And things have looked even rosier this year for Audi's TDI sales. Through June, Audi diesel sales have almost quadrupled from a year earlier to more than 8,100 units. Check out the 150-second video on Audi's 25-years of TDI production below.

Audi S3 Cabriolet is a topless two-door temptress

Now that we've driven the Audi S3, we're pretty eager for it go on sale in the United States. And while we won't get the Sportback version, there's a teeny tiny chance that Audi may grace us with this new Cabriolet version that makes its debut at the Geneva Motor Show this week.
That certainly wouldn't be a shame, considering the topless S3 packs the same 290 horsepower and 280 pound-feet of torque as the sedan, all of which comes from a turbocharged, 2.0-liter inline four-cylinder engine. That folding roof mechanism adds a bit of weight to the S3 package, and thus, reaching that ever-so-special 62 miles per hour takes an extra half a second - 5.4 compared to 4.9 with the S3 sedan.
Looks-wise, we dig the aggressive little S3, though the chrome wheels of the show car are kind of throwing us off. Swap out a set of standard alloys, and we'll be good to go. Have a look in the gallery above to see the topless Audi for yourself.

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.