2011 Nasr signed with Carlin Motorsport for the 2011 Championship and won the Sunoco Rolex 24 at Daytona Challenge, a special joint racing programme among series in the United Kingdom that use Sunoco Racing Fuel.
2011 Nasr asinou con Carlin Motorsport para o campionato británico de Fórmula Tres de 2011, tamén gañou a Challenge Sunoco Rolex 24 at Daytona, un programa de carreiras especial conxunto entre as series no Reino Unido que utilizan Sunoco Racing Fuel.