He also had one-off entry at Silverstone in 2011 Formula 3 Euro Series with Mücke Motorsport, winning the reverse-grid race.

Another potential win slipped from Sørensen's grasp at the second race at Silverstone, suffering a puncture whilst leading comfortably on the final lap.

Sørensen had another disaster season with engine problems in 2013 Formula Renault 3.5, but managed to take pole and victory in both races at Red Bull Ring.

He continued with Nicki Thiim after 2015 where Aston Martin Racing cut one of their GTE Pro cars out of the series.

On 19 January 2022 TF Sport announced that Sørensen would make a full-season return to the World Endurance championship in 2022, piloting the #33 Aston Martin Vantage AMR alongside Ben Keating and Florian Latorre.

Sørensen joined GMB Motorsport's GTE Am class entry for the 2023 24 Hours of Le Mans, competing alongside Jens Reno Møller and Gustav Birch.

(key) (Races in bold indicate pole position; results in italics indicate fastest lap) * Season still in progress.