The 2018 GT Series Sprint Cup was the sixth season of the GT Series Sprint Cup following on from the demise of the SRO Motorsports Group's FIA GT1 World Championship, the fifth with the seasons sponsored by Blancpain. The season began on 7 April at Zolder and ended on 16 September at the Nürburgring.

Christian Klien is an Austrian racing driver currently competing in GT World Challenge Europe for JP Motorsport. He previously competed in Formula One, scoring 14 points in during his career in the sport.