Christian Abt was known mainly as a co-owner of the tuning company and racing teams Abt Sportsline, which is headed by his brother Hans -Jürgen.
With Abt Sportsline Christian Abt 1999 in an Audi A4, the last champion of the Super Tourenwagen Cup in a questionable last race of the series: Before the race on the Nürburgring yet had abbot and the Opel driver Uwe Alzen chance at the title. End of the last round of the order on the track now looked like this: Kris Nissen ( Abt- Audi ), Uwe Alzen, Christian Abt and behind Roland Asch ( Opel ). Nissen is lapped and holds the following clearly; Asch was actually disqualified after an earlier incident. Alzen and Abbot occupied behind Tom Kristensen ( Honda) the second and third rank. With this order, the abbot would lead champion with 8 points. In the NGK chicane now first collide Nissen and Alzen, after the latter missed his braking point. In the final turn, Asch now moves on to the abbot, causing it excretes. This would Alzen, who can continue with a broken suspension, Master. However, the DMSB court later decides that the last lap of the race will not be counted, so the championship but goes to Christian Abt.
From 2000, he was with this team in the DTM worked until 2003 as a quasi- private team, starting in 2004 as an official factory team Audi. After streaky performance in the 2004 season, he got in 2005, just a year-old car, so a car from the previous season, so then, however, created for himself a reputation as one of the best pilots in last year's car; as 2005 he reached the race at the Norisring took second place behind Gary Paffett; the first race at Hockenheim in fourth place. At the end of the 2007 DTM season Abbot ended his career in the DTM and started in 2008 in the Porsche Carrera Cup Germany, which was held in the framework program of the DTM. 2009 Abt won the ADAC GT Masters.
Christian Abt is married and has two daughters.
Christian Abt is not the only racer in his family. His father, Johann Abt was back in 1952 as a racing driver with a DKW motorcycle at the start. His brother Hans -Jürgen Abt launched, inter alia, in the Ford Fiesta Mixed Cup and the ADAC GT Cup. His wife Margit abbot was active in the Ford Fiesta Mixed Cup and in the Seat Leon Supercopa. Their son Daniel Abt drives in the Formula 3 Euro Series 2011. In addition, Christian Abt was until 2005 romantically involved with racing driver Christina Surer.