From 2000 to 2004 Coletti was active in karting and in 2005 was in the German Formula BMW debut in Formula racing. Coletti finished in 18 place overall. Another year he remained in this series and was seventh in the overall standings. He also played a few races in the Formula Renault 2.0 Eurocup and the U.S. Formula BMW, where he reached the fifth championship course. At the World Final of the formula BWM he finished third. 2007 Coletti was mainly in the Formula Renault 2.0 Eurocup active and finished fourth in the overall standings. In addition Coletti began in the Italian Formula Renault.
2008 Coletti joined Signature-Plus in the Formula 3 Euro Series. After only two race weekend he left the team after Red Bull had ceased production of it. After a weekend break Coletti joined the Prema Powerteam, for which he challenged the remaining races of the season. In the overall standings Coletti, who won points with three races occupied the 20th place. In the 2009 season Coletti remained in the Formula 3 Euro Series at Prema Powerteam and has already won the first race of the season at Hockenheim, his first race in this championship. In the race at the Norisring Coletti caused a scandal: After nearly half the race distance Coletti was behind Jules Bianchi and Alexander Sims third position when the race had to be stopped due to heavy rain. Due to the 40 - minute period could be driven after the restart only one lap behind the safety car. After the race Coletti accused the victorious team ART Grand Prix to have much time left intentionally changing tires available to play as few laps after the restart must. When Bianchi and Coletti met on the way to the paddock after the award ceremony, hit Coletti Bianchi with his fist in the face. Coletti was subsequently excluded from the race weekend and stripped of his third place.
In August 2009, Coletti debuted at the Valencia Street Circuit in the GP2 series, replacing Davide Valsecchi at Durango. In his second race weekend at Spa -Francorchamps Coletti had a serious accident in the Eau Rouge and could not therefore participate in Monza on Sprint race and during the race weekend. In addition, Coletti had to do without because of his injury on a race weekend of the Formula 3 Euro Series. At the end of the season, he finished tenth overall in the Formula 3 Euro Series and the 25th overall in the GP2 Series. After he had taken part in a round of the Formula Renault 3.5 in 2009 to Coletti decided in 2010 for an engagement with Comtec Racing in this series. With a second place as best result sixth place overall. In parallel, he competed in the GP3 Series for Tech 1 Racing. He climbed to the second race weekend of the 2010 season in the series and was with two third places ninth in the overall standings. He also competed in a race weekend of the Auto GP.
2011 Coletti went for Trident Racing in the GP2 Series and GP2 Asia Series at the start. In the GP2 Asia Series, he finished the season with a victory on the fourth overall. In the GP2 series he succeeded already in the season opener in Istanbul, his first GP2 victory. At the Hungaroring, he succeeded in starting from number 21 to win the sprint race. He sat at the embossed by changing weather conditions race on the right strategy. As two years before on this route - - a serious accident A race later in Spa -Francorchamps Coletti had. In the rain, he overlooked the fact that the car in front of him, Mikhail Aleshin slowed down due to engine problems, and went to him. Here, his car took off and hit the asphalt. He broke two vertebrae. Due to this injury his season ended prematurely. In the overall classification, he finished in eleventh place. After the season he took for the Scuderia Coloni GP2 Final at 2011, which he completed on the 13th rank, in part. Then he made his debut at the tests for the Scuderia Toro Rosso Formula 1 car.
2012 Coletti began the GP2 season for Coloni. In the first ten events Coletti scored a third place as best result. Since the set at start of season expectations were not met, Coloni and Coletti parted before the last two race weekends. Coletti received a cockpit with Rapax for these two events. He succeeded about to enter in three races out of four points. In the drivers' standings Coletti was 13 Since Coletti and Rapax found in the four races that cooperation worked well, Coletti was already in October 2012 at Rapax a contract for the 2013 GP2 Series season. At the season opener in Sepang, he scored the pole position, a third place in the main and a victory in the sprint race. After he had been standing in as- Sachir as second and third on the podium, he won the sprint race at upcoming events in Barcelona and Monte Carlo. With his victory in Monte Carlo for the first time his 82 years achieved a Monegasque a home win on the track. Last Louis Chiron was victorious at the 1931 Monaco Grand Prix. In the remaining course of the season, he scored only one race in third place points. Nevertheless presented his points lead to the to lead the overall standings for four more race weekend. Coletti finished the season finally starting fifth. With 135 to 20 points, he sat down internally by clearly against Simon Trummer. In addition, he participated in a meeting of the European Formula 3 Championship and the Macau Grand Prix.
2014 moved Coletti within the GP2 Series for Racing Engineering. After the first race weekend, he finished sixth overall.
- 2000-2004: Karting
- 2005: German Formula BMW ( 18th place)
- 2006: German Formula BMW ( 7th place)
- 2006: American Formula BMW ( 5th place)
- 2006: Formula Renault 2.0 Eurocup
- 2007: Formula Renault 2.0 Eurocup (4th place )
- 2007: Italian Formula Renault ( 10th place )
- 2008: Formula 3 Euro Series (No. 20)
- 2009: Formula 3 Euro Series (No. 10)
- 2009: GP2 Series (No. 25)
- 2009: Formula Renault 3.5 (ranked 28)
- 2010: Formula Renault 3.5 ( 6th place)
- 2010: GP3 Series ( course 9 )
- 2010: Auto GP ( 20th place )
- 2011: GP2 Asia Series (4th place )
- 2011: GP2 Series (No. 11)
- 2012: GP2 Series (No. 13)
- 2013: GP2 Series ( 5th place)
- 2013: European Formula 3
- 2014: GP2 Series