Speedcar featured stock cars driven by mainly ex-F1 drivers, including Jacques Villeneuve, Jean Alesi, Johnny Herbert, Heinz-Harald Frentzen and Vitantonio Liuzzi.
Meanwhile, it is reported that the future of the A1GP series is in serious doubt, following the collapse of the British arm of the organisation. A1 Grand Prix Operations Ltd ran the day-to-day administration of the championship but went into liquidation last Wednesday, the Telegraph newspaper said.
"Like many other companies in today's difficult economic environment, we had cashflow problems and we haven't been able to pay them (the suppliers)," a spokesman confirmed.