The A5 and S5 represent the company’s third new model line for 2008. These models are the first 4-seat coupes in Audi’s line-up in the U.S. since 1991. The A5 is powered by a 3.2-liter V-6 engine making 265 horsepower. The high-performance S5 is equipped with a 354 horsepower, 4.2-liter V-8. Both models have standard, rear-biased quattro all-wheel drive and a 6-speed manual transmission. A 6-speed tiptronic automatic gearbox is optional on both models.