In 2011 Kristoffersson also drove in the Porsche Carrera Cup Scandinavia, where he fought for the title with Robin Rudholm.

[1] He took five titles in a single year – winning Porsche Carrera Cup Scandinavia, STCC and Superstars Series in all three categories (Italian, International and Rookie).

Kristoffersson joined the Petri Corse team for the 2013 Superstars Series season where he drove a Porsche Panamera.

On 20 December 2018, it was announced that Kristofferson will join Volkswagen for the 2019 World Touring Car Cup season, partnering team's regulars Mehdi Bennani and Rob Huff.

[3] In 2014 he raced part-time at the FIA World Rallycross Championship with a Kristofferson Volkswagen Polo, finishing third at Belgium.

In 2015, he won at Portugal and claimed podiums at UK, Spain, Turkey and Italy, finishing third in the standings.

He claimed a win, three podiums and nine top six finishes, and was runner-up in the Supercars overall standings behind Mattias Ekström.

[5] Kristofferson joined Rosberg X Racing in Extreme E for its inaugural season and drove alongside Australian Molly Taylor.