What is the Fastest Car Round the Top Gear Test Track?

The fastest qualifying car around the test track so far (1 July 2009) is the Gumpert Apollo in 1:17.2, however there have been several quicker that did not meet their criteria:

# 0:31.2 - BAE Sea Harrier # 0:59.0 - Renault R24 Formula One car (Mildly moist) # 1:08.6 - Aston Martin DBR9 # 1:10.6 - Caparo T1 # 1.10.7 - Ferrari FXX (driven by Michael Schumacher)