The Giulia Quadrifoglio continues this tradition with an all-aluminum 90-degree 2.9 liter Bi-Turbo V6 engine that delivers class-leading 505 horsepower and 443 lb-ft of torque between 2,500 and 5,500 rpm; it launches from 0-60 in a class-leading 3.8 seconds and achieves top speeds of 191 miles per hour.