This is an Audi A4 Cabriolet, a car first registered in 2005. It's a TDI S line variant with the S line trim, powered by a 2.5L diesel engine. The Audi A4 Cabriolet stands out with its blend of performance and style. The diesel engine offers a balance of power and efficiency, making it suitable for both city driving and longer journeys. The S line trim enhances the sporty feel, offering a more engaging driving experience compared to standard models.