Diego Nunes began his motorsport career in the Brazilian Formula Renault, in which he took part in all races in 2003 and 2004. In 2002, Nunes drove some races. In 2004, he was ninth overall. Even in the two following years Nunes participated in several races of the Brazilian Formula Renault. 2005 moved Diego Nunes in the South American Formula 3 and was fourth in the overall standings. A year later, Nunes launched half of the race from the pole position, but he managed to win a race, so he took third place in the overall standings. Both seasons drove Nunes for Bassani Racing.
2006 started Nunes also in two races in the Euro Series 3000th In 2007 he moved completely to Europe and drove the entire season of the Euro Series 3000 He managed to win four races and was runner-up behind Davide Rigon. . Both seasons he rode for the Euro -3000 Series team of former Formula 1 team Minardi.
2008 Nunes was hired by Adrián Campos for the first season of the GP2 Asia Series. Already after the first race weekend he left Campos Grand Prix and switched to David Price Racing, where he replaced the sacked Andy Souček. Nunes got two points and thus was 19th in the overall standings. Also in the European GP2 series launched Nunes for David Price Racing. His teammate, Michael Herck, who was replaced on the first three race weekends by Giacomo Ricci and Andy Soucek. His best result was a fourth place in the sprint race at the new Valencia Street Circuit. In the overall standings Nunes finished with three points to 22 place.
In the 2008/2009 GP2 Asia Series season Nunes went to the side of Roldán Rodríguez for Piquet GP at the start. After the Brazilian remained without points in the first race, he won the main race on the last two race weekends and eventually became eighth in the overall standings. In the European GP2 series Nunes went into the 2009 season as a teammate of the Dutchman Giedo van der Garde for iSport International at the start. With a podium placement at the end of the season, he finished 20th overall.
In winter 2009/2010 Nunes participated for the Malaysian Meritus team on the first run of the GP2 Asia Series. After that, he was replaced by Alexander Rossi. At the end of the season, he finished 28th overall.
- 2002: Brazilian Formula Renault
- 2003: Brazilian Formula Renault ( 18th place)
- 2004: Brazilian Formula Renault ( 9th place)
- 2005: South American Formula 3 (4th place )
- 2006: South American Formula 3 ( 3rd place)
- 2007: Euro Series 3000 ( 2nd place)
- 2008: GP2 Series (No. 22); GP2 Asia Series ( No. 19 )
- 2009: GP2 Series (No. 20), GP2 Asia Series (8th place )
- 2010: GP2 Asia Series ( No. 28 )
- GP2 racer
- Racers (Brazil )
- Born in 1986