Automotive Design and Production

MAY 2014

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21 The Audi A3 Sedan is a fve- passenger car. It is powered by an in-line, four-cylinder, turbo direct-injection engine—there is a 170-hp 1.8-liter for front- wheel drive and a 220-hp 2.0- liter for quattro versions—that features a cast-iron block and aluminum head. Both engines require premium fuel. The engine is mated to a six-speed, dual-clutch transmission. The chassis features McPherson struts in the front with lower A-arms and stabilizer bars; there is a four-link rear suspension setup. The steering is electromechanical. Structurally, the car makes use of extensive amounts of high- strength (including ultra-high, hot-stamped) steels, as well as aluminum (e.g., decklid, package tray, suspension components). The curb weight for the 1.8 is 3,175 lb.; it is 3,362 lb. for the 2.0. The A3 Sedan is the frst vehicle in North America to offer a 4G LTE data connection; Audi has partnered with AT&T; on this capability. The vehicle is offered with Bang & Olufsen audio, NVIDIA graphics processing for infotainment, Google Earth navigation, and other features. q Dany Garand drawing the A3 Sedan. Literally drawing the car. in Germany (and elsewhere). (And the Sportback will be coming to America late in 2015 as a plug-in hybrid model.) There is another A3 variant with a trunk. The A3 Cabriolet. "The Cabrio and the Sedan are the same up to the A-post," Garand says. He also says that the two have the same front and rear bumper. "We had to design these two cars together to make sure they would both look good." The Cabrio, which has two doors, not four, has a shorter length (174.1 in. vs. 175.4 in.) and a smaller wheelbase (102.2 in. vs. 103.8 in.), so the proportions had to be right for both. And speaking of smaller, Garand says that while in the process of designing the Sedan he was also involved in designing the new TT at the time, which is a smaller vehicle compared to 0514ADP FEATURE Audi.indd 21 4/22/2014 1:30:51 PM

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