The document provides details on 10 fuel efficient luxury cars: BMW 5 Series, BMW 3 Series, Skoda Superb, Audi A6, Audi A7, Audi A4, BMW X3, BMW X1, Land Rover Freelander 2, and Volvo S60. For each car, it lists key features and specifications like engine types, transmission options, safety and driver assistance features, and more.