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Audi celebrates diesel milestone with triple-charged RS5 TDI concept

Diesels are typically slower than their gasoline counterparts, but leave it to Audi to turn that notion on its head. After dominating Le Mans and the international endurance racing scene under diesel power for the better part of a decade, the German automaker toyed with the idea of an oil-burning R8 for the road and ultimately made its first performance crossover a diesel. It's made the letters TDI a battle cry, and now it's yelling even louder with the RS5 TDI concept.
Set to be unveiled in a couple of days at the Leipzig Auto Show to celebrate 25 years of the TDI engine, the concept ditches the gasoline-burning 4.2-liter V8 in the production RS5 in favor of a 3.0-liter V6 twin-turbo-diesel with an electric supercharger added on to combat turbo lag. Output comes in at 385 horsepower and 553 pound-feet of torque, which means that while it has 65 fewer horses than the gasoline model, it packs a staggering 236 lb-ft more torque.
The result of the triple-charged madness is a 0-62 time around four seconds flat, trumping the 4.6 seconds for the road-going model. Top speed, of course, is electronically limited to 155 miles per hour, which is a bit of a shame because we bet it'd be a kick to pass a Porsche on the Autobahn in a diesel, now wouldn't it?

Audi S3 starts at $41,400, A3 Cabrio rings up at $35,600 and A3 TDI priced from $32,600

Audi has released the official pricing info for the all-new A3 TDI Sedan, A3 Cabriolet and the S3 Sedan, and the news appears pretty good all around. As usual, none of the following prices include Audi's unspecified-for-now destination charges.
The big news is the S3, complete with 292 horsepower, a six-speed dual-clutch transmission and Quattro all-wheel drive. Prices start at just $41,100, which is a decent savings over the more powerful, 355-hp Mercedes-Benz CLA45 AMG.
The new A3 TDI sedan, meanwhile, has a starting price of just $32,600. While you'll be certain to save some money on fuel, you'll be doing so without Quattro all-wheel drive. Still, the improved economy of the 2.0-liter, turbodiesel four-cylinder isn't priced too steeply, relative to the gas-powered A3's $29,900 starting price.

2015 Audi S8

You've gotta hand it to the Audi A8. Last year, Mercedes-Benz launched the truly stunning S-Class, putting the rest of the high-dollar luxury flagship class on notice. With the brand-new S-Class turning heads and garnering all sorts of praise from the automotive press, classmates like the BMW 7 Series, Jaguar XJ and Audi A8 started to look, well, old. But Audi didn't see fit to just let its big sedan carry on and let the Mercedes take the cake.
So when Audi refreshed its A8 line for the 2015 model year with only minor updates, I kind of shrugged it off as just a quick way to keep the big sedan fresh until an all-new, hopefully S-Class-trumping version arrives. But then I drove the S8 pictured above, and I'm no longer so sure the Merc's shadow is as big and imposing as it once was.
Spoiler alert: the Audi S8 is simply fantastic.