they've been doing a one lap time trial with a different car every week, early on they put a 999 round the track and it took top spot... until they dug out a £100k car to beat it.
 
 Looked like Anglesea circuit
 
 Fifth Gear Shoot-out table
 Mosler MT900S 48.82 seconds
 Ducati 999 = 49.25 "
 Vauxhall Monaro V8 = 54.06 
 MG ZT V8 = 55.60 
 Lamborghini Gallardo = 49.69 
 BMW M3CSL = 50:08 
 Lotus Elise 111R = 51.89 
 Vauxhall VX220T = 51.96 
 BMW M3 = 52:08 
 BMW Z4 3.0 = 53:03 
 Porsche Boxster 2.7 = 54.60 
 Old Honda Civic Type R = 54.90 
 Seat Leon Cupra R = 56.0 
 Citroen C2 GT = 56.5 
 Mini Cooper S Convertible 56.37
 Ford SportKa = 57.0 
 Skoda VRS = 57.03 
 Mini Cooper = 58.03 
 Smart Brabus Roadster Coupe 58.15 
 Ford Transit = 61.90
 Mercedes Sprinter = 67.2