The guide "Audi A4 Diesel" by Bucheli offers comprehensive information on all diesel models of the Audi A4. This volume details the various engine options, including the popular 2.0 TDI variants with different power levels, as well as the more powerful 2.7 and 3.0 TDI engines. The guide is aimed at Audi enthusiasts and potential buyers who want to learn about the technical specifications, performance features, and various equipment options of the diesel models. Its clear structure and precise information make it easy to understand the advantages and differences of each model. This guide is an essential reference for anyone interested in the Audi A4 Diesel and wanting to learn more about the different engines and their characteristics.