The Audi A4 has a displacement of 1.8T. The 2.4 is not exaggerated, but the 3.0 is. Audi A4 (AudiA4) is a B-class model manufactured by FAW-Volkswagen and launched in April 2003. It is sold in three displacements, namely 1.8T, 2.4 and 3.0. Among them, the 1.8T is divided into four types, including manual basic type, automatic basic type, comfort type and technology-leading type. The 2.4-displacement model is divided into three models, including comfort model, comfortable sport model and comfortable exclusive model. There is only one version with a 3.0 displacement, and it is equipped with a quattro full-time four-wheel drive system. In terms of power transmission, the Audi A43.0 comes standard with Audi's patented technology quattro full-time four-wheel drive system, which provides double adhesion for the vehicle. This system enables the vehicle to automatically, accurately and timely distribute the ground force of each wheel when turning or braking on a variety of complex road surfaces, thereby improving the vehicle's directional stability and traction in complex situations.