Alfa Romeo Giulia Quadrifoglio Joins The Carabinieri: 505 Horsepower To Serve As Italian Police Rapid-Response Vehicle Alfa Romeo Giulia Quadrifoglio, the 503 horsepower sedan, is reaching the Carabinieri. The Italian police force scheduled special operations to be carried out using the ferocious vehicle that will reach the U.S. soon enough. by Horia Ungureanu