The Audi TT Roadster quattro is a two-door convertible sports car produced by German car manufacturer Audi since 1998. It is the first production car to come with the company's full-time all-wheel drive system, quattro. The car has a powerful 2.0L turbocharged engine and comes equipped with advanced safety and entertainment features such as airbags, keyless entry, a 10-speaker audio system, and a navigation system. It is available in a variety of colours and trim levels and has a top speed of 155 mph.