The body of the second generation Audi A4 has become more spacious compared to its predecessor. The car body is completely galvanized, the manufacturer provides a 10-year guarantee against corrosion. All Audi A4 liquid-cooled engines are mounted longitudinally. Models are available with front-wheel drive or all-wheel drive "Quattro". On all-wheel drive models, a Torsen center differential with automatic locking is installed.