The 2007 Audi A4, part of the model's third generation, is a luxurious and performance-oriented sedan available in three trims: 2.0T, 3.2 and S4. Front-wheel drive is standard on the 2.0T, with Audi's Quattro all-wheel drive offered as an option; the 3.2 and S4 come with Quattro as standard. The 2.0T houses a 2.0-liter turbocharged four-cylinder engine producing 200-hp, while the 3.2 variant features a 255-hp 3.2-liter V6, and the performance-oriented S4 trim boasts a potent 340-hp 4.2-liter V8. All are matched with a six-speed manual transmission, with an optional continuously variable transmission for FWD models and a six-speed automatic for Quattro-equipped models. On the technology front, the A4 offers an optional navigation system, Bluetooth, and a premium Bose sound system. Safety features include stability control, antilock brakes, front-seat side airbags, and full-length curtain-type airbags.