2007 Audi A4 Quattro 2.0t 6 Speed Sedan on 2040-cars

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Audi S3 pitted against BMW M135i in track battle

Audi and BMW have long been enemies on both the road and the track, with their respective M and S/RS lines duking it out to the delight of auto enthusiasts everywhere. In this video from Evo, two of the rivalry's newest combatants take to the track - the Audi S3 and the BMW M135i.
The new Audi S3, which is finally coming to America, throws down with a 2.0-liter, turbocharged four-cylinder. 290 horsepower and 280 pound-feet of torque are deployed to a Quattro all-wheel-drive system via a six-speed, S-Tronic dual-clutch transmission, allowing the five-door Audi to scamper to 60 in under five seconds.
The BMW, which Americans will know as a long-roof version of the new M235i Coupe, comes to the track with 320 ponies and 331 lb-ft of torque. That's a good bit more than the Audi, but the M135i has only two wheels to send its power to, an eight-speed single-clutch automatic (a six-speed manual is available) and a slightly higher curb weight.

Audi debuts all-new R18 E-Tron Quattro with novel secondary hybrid system

This is the new Audi R18. It looks like the Bond villain of race cars (it has red running lamps), and if Audi's past is any indication, it'll prove difficult to beat in the LMP1 class of the 2014 World Endurance Championship.
The car's full name is the Audi R18 E-Tron Quattro, just like last year's car. Also like last year's car, the new R18 draws its power from a V6 turbodiesel, which powers its rear wheels, and Audi's E-Tron hybrid system, which runs its front axle. Unlike last year's car, though, this R18 has a secondary hybrid system. Audi has fitted the V6 with an electric turbocharger and figured out how to capture waste heat generated when the engine reaches its boost limit. That power can then be stored and fed back into either the turbo or the front axle's hybrid system under acceleration.
There are a number of changes to the body on the new car, forced in large part by series regulation changes. The car is narrower, particularly at the front, but it's also taller. The front end is set off by a new wing, as part of a new WEC regulation. Audi seems quite pleased about this, citing an improvement in front-end downforce and a reduction in cost. Like Formula One, the WEC contenders now have to contend with a ban on the so-called blown diffuser, which forced exhaust gases over the diffuser, creating downforce. That's necessitated some changes from Audi, although as we have no rear shots of the car, we can't tell you what it looks like.

2014 Audi S1 Quattro [w/video]

Audi may only now be fully committing to the US compact car market with a range of A3 models, but it's got far more small car expertise than most Americans realize, and its offerings get even tinier, too. Back in 2010, Audi leapt into the subcompact premium fray - in all markets but the United States, Canada and China - with its A1. The A1 family has sold all right, but not quite as well as was expected, likely due to its price when optioned up. (It also doesn't help that the Volkswagen Polo is a great car on the same architecture and costs much less.)
But Audi seems compelled to make high-buck S trims of everything nowadays, so right on schedule, I've scored seat time in its new S1 Quattro. Under its gumdrop-colored hood is the very popular 2.0-liter TFSI motor. In this trim, it's good for 228 horsepower and 273 pound-feet of torque between 1,600 and 3,000 rpm. That's quite a lot of gumption for this little blaster - enough power for 0-60 in just 5.7 seconds.
My drive was originally supposed happen on a sub-zero frozen lake in Sweden, only Audi forgot to call Mother Nature and ask her to hold off on springtime. It would have turned into a slush drive and then a submarine test had I been told to stick to the original plan, so it was dusty, soggy and gravel-y pavement instead, which turned out to be a better real-world test anyhow. Plus, the car got even cuter when it was filthy.