Stefano Coletti

Coletti enjoyed a successful karting career before moving into single-seater racing. In 2003 he finished runner-up in the Italian Open Masters ICA–Junior category. In 2004 he won both the Andrea Margutti Trophy and the European Championship ICA–Junior titles.

In 2005, Coletti joined Eifelland Racing to contest the Formula BMW ADAC championship, finishing eighteenth in the standings. He also took part in the Formula BMW World Final in Bahrain for ASL Team Mücke Motorsport, finishing twenty-fifth. In 2006 he continued in the championship, taking four podium finishes including a victory, and finishing seventh in the standings. He additionally took part in four Formula BMW USA races, winning three of them to finish fifth in that series despite missing much of the season. He competed once more in the Formula BMW World Final, held at the Circuit Ricardo Tormo, finishing third behind Mika Mäki and race winner Christian Vietoris. In August 2006 he made his debut in the Eurocup Formula Renault 2.0, driving for Cram Competition and Motopark Academy, but failed to score a point in any of the six races entered.

In 2007, Coletti joined the Spanish Epsilon Euskadi team for both the Eurocup and Italian Formula Renault 2.0 championships. In the Eurocup he took a win at the Hungaroring and two further podiums, finishing fourth in the standings. In the Italian series he took two victories — both at Misano — to finish tenth.

Coletti moved to the Formula 3 Euro Series for 2008, joining the French Signature-Plus team. He was dropped from the Red Bull Driver Development scheme after the first four races and left Signature-Plus, missing the Pau round before joining Prema Powerteam. He took a best race result of fourth and finished the year twentieth. He also entered the Masters of Formula 3 and Macau Grand Prix non-championship races but retired from both.

In January 2009 Prema confirmed Coletti would remain for the 2009 season. At the opening round at Hockenheim he qualified on the front row and won the first race. The following month, at the Masters of Formula 3 at Zandvoort, he qualified fourth and finished third behind Mika Mäki and race winner Valtteri Bottas.

Coletti was involved in a controversial incident after the first race at the Norisring. Having finished third, he had an altercation with race winner Jules Bianchi — Coletti stated that Bianchi had said "bad words" to him, and struck the ART Grand Prix driver and championship leader. Coletti was stripped of his third place and excluded from the rest of the meeting. He failed to score points after the Oschersleben rounds and finished tenth in the championship.

In November 2008, Coletti tested Formula Renault 3.5 machinery for RC Motorsport at Valencia alongside former GP2 driver Andy Soucek. On 15 May 2009, it was announced he would race for Prema Powerteam in the Monaco round of the 2009 Formula Renault 3.5 Series as a replacement for Frankie Provenzano. He originally finished eleventh but was promoted to tenth after Marco Barba received a 25-second penalty.

For the full 2010 season, Coletti drove alongside Greg Mansell at Comtec Racing, taking five podium finishes on his way to sixth place in the championship.

Coletti contested fourteen races of the inaugural GP3 Series season for Tech 1 Racing, replacing Daniel Juncadella after the first round. His teammates included Doru Sechelariu, Jean-Éric Vergne, Jim Pla, and the returning Juncadella. He finished ninth in the championship, the highest-placed Tech 1 driver.

Coletti made his GP2 debut in 2009 at Valencia replacing Davide Valsecchi at Durango. His first meeting was fraught: in race one he received drive-through penalties for jumping the start and crossing the white line at the pit lane exit, then retired. In race two he stalled on the grid and was penalised for starting from the grid rather than the pitlane, then collided with Dani Clos before serving the penalty. In his third GP2 race at Spa-Francorchamps, Coletti crashed heavily with two laps remaining, causing the race to finish under safety car. He escaped with compressed vertebrae and minor bruising, missing the following day's sprint race after his car's monocoque was written off. He also missed Brands Hatch rounds of the F3 Euroseries due to his injury, and withdrew from a planned Monza GP2 return after recurring pain during scrutineering.

Coletti returned to GP2 in 2011 with Trident Racing alongside Rodolfo González. In the Asia series, he won the sprint race at Yas Marina and finished fourth in the standings. He began the main series strongly, winning the sprint race of the first round at Istanbul Park and the sprint race in Hungary. He then crashed heavily during the feature race at Spa-Francorchamps, sustaining two vertebral compression fractures — a more severe version of his 2009 injury — and missed the rest of the season. His seat was taken by compatriot Stéphane Richelmi.

For 2012, Coletti joined Scuderia Coloni alongside Fabio Onidi. After ten rounds, lying fourteenth with one podium, he left by mutual consent and joined Rapax for the final rounds as a replacement for Daniël de Jong. He scored points in three of the remaining four races, finishing thirteenth in the championship above Rio Haryanto.

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