The Alfa Romeo 4C (Type 960) is a small, lightweight, rear wheel drive sports car. Available in coupé and spider body styles,[8] it uses a carbon fiber tub, front and rear crash box, and hybrid rear frame mainly out of aluminium to keep its weight at 895 kilograms (1,973 lb) and 995 kilograms (2,194 lb) in the United States[9] The 4C is the first mass-produced Alfa Romeo car to re-enter into the United States market. Alfa Romeo 4C Concept (2011)[edit] 4C Concept. Differences between the 4C concept (left) and the European spec production model 4C (right). Alfa Romeo 4C Concept is a two-seater, rear-wheel drive coupé with technology and materials derived from the Alfa Romeo 8C Competizione, with 1750 turbo petrol engine with direct injection, the "Alfa TCT" twin dry clutch transmission, the Alfa DNA dynamic control selector. The 4C concept version unveiled in the 81st Geneva Motor Show in March 2011,[10][11] followed by Mille Miglia 2011 parade,[12] Goodwood Festival of Speed 2011,[13] 2011 Frankfurt Motor Show.[14] Specifications Top speed 258 km/h (160 mph) 0–100 km/h (0–62 mph) 4.5 seconds Type straight-4 Displacement 1.75 L 1,742 cc (106.3 cu in) Power 240 PS (177 kW; 237 hp) @ 6,000 rpm[2][3] Torque 350 Nm @ 2,100 rpm (US: 258 lb-ft @ 2,200 rpm)[2][3] Lateral Acceleration 1.1 g It was displayed first time outside in Concorso d'Eleganza Villa d'Este in 2012. Compared to the production version, it's very similar, with the biggest differences being front lights, side vents and mirrors. Awards[edit] The Alfa Romeo 4C Concept was voted the 'Most Beautiful Concept Car of the Year' award by the readers of German magazine Auto Bild, and won the Auto Bild Design Award 2011.[15] It was awarded the "Design Award for Concept Cars & Prototypes" by referendum of the public in Villa d'Este