However, he did finish in seventh place, ahead of many drivers who, unlike Carroll, had completed the entire season. During this time, Adam had tested the A1GP car for Ireland, impressing everyone at Silverstone and so for the second event onwards, Adam signed up to race in A1GP. His first weekend demonstrated yet again what a talent he was as he got Ireland's biggest points haul in the history of A1GP by netting a podium in his first race and despite starting 18th on the grid due to being blocked in qualifying, 6th in the feature race. Later in the season, he won the Mexico City feature race, Ireland's first win in A1GP. He also finished on the podium at Brands Hatch, en route to helping Team Ireland finish 6th overall in the championship. Carroll began the 2008 GP2 Series season without a drive, but when Adrián Vallés was dropped by FMS International after the first round of the season, he took part in four races for his old team. He was then replaced by Marko Asmer. For 2008/2009, Carroll returned to A1GP and Team Ireland again leading them to victory for the first time, in China. A1 Team Ireland became the fourth A1 Grand Prix champions, after a title battle which went down to the final round in Great Britain. Ireland won with 112 points, all scored by Carroll and included five race victories and three fastest laps. Carroll announced in April 2009 that he was approached by two F1 teams in negotiation for a driver's seat for 2010. It turned out that the two teams were Campos Meta and Manor GP, both of which were new entries for the 2010 season. Carroll said that he could not raise the 4 million Euros needed to sign for Virgin. He was also in line for a drive with Lola, which was also planning to enter the sport in 2010, but the British marque's entry was turned down. IndyCar IndyCar Series team Andretti Autosport announced that Carroll was to take part in some races during the second half of the 2010 season. He ultimately competed in the Watkins Glen Grand Prix and the Honda Indy 200, finishing in 16th and 19th places respectively. He scored 26 points in total and finished the season 34th in the drivers' championship. 2011 On 2 July, Carroll made a one-off appearance in the Formula Renault