Hans-Joachim Stuck
In mid-October 2005, Nigel Mansell and René Arnoux tested the car at the Pembrey Circuit in South Wales. 26 October saw the first multi-car test for the series, with Mansell, Andrea de Cesaris, Stefan Johansson, Derek Warwick, Alex Caffi, Hans-Joachim Stuck, Patrick Tambay and Christian Danner running at the Silverstone Circuit in England. De Cesaris was fastest, Danner slowest whilst Tambay crashed.