The Alfa Romeo 155 Q4 is a compact executive car produced by the Italian automaker Alfa Romeo from 1992 to 1997. It features a distinctive design and is known for its sporty performance, powered by a 2.5-liter inline-five engine. The Q4 variant is particularly notable for its all-wheel-drive system, which enhances traction and stability, making it suitable for various driving conditions. This model was part of the Alfa Romeo 155 lineup and gained popularity in motorsport, especially in touring car racing. The Q4's combination of style, performance, and advanced technology for its time has made it a sought-after classic among car enthusiasts.