18 Metre Slalom
 

Here's a list i've copied over from supercars.net which i thought you guys would be interested in 8)

*The 18 metre slalom is used through out Europe; the following numbers are from various magazines including Sport Auto & Auto Motor Und Sport

76.3 km/h - Radical SR3 1300
75.9 km/h - Donkervoort D8 RS06
72.6 km/h - Donkervoort 180 Widetrack
72.1 km/h - Pagani Zonda F ..
72.0 km/h - Porsche Carrera GT
71.9 km/h - Caterham CSR 200, 2005
71.8 km/h - Porsche 997 GT3
71.8 km/h - Koenigsegg CCR
71.6 km/h - Alpina Roadster S
71.4 km/h - Morgan V6 3.0 Lightweight Roadster
71.2 km/h - Lamborghini Gallardo SE
71.1 km/h - Porsche 987 Boxster S
70.9 km/h - Porsche 997 Carrera S
70.6 km/h - Lotus Exige S2
70.5 km/h - BMW M3 CSL
70.5 km/h - AC Schnitzer V8 Topster
70.4 km/h - TVR Tuscan MK2
70.2 km/h - Lamborghini Gallardo Spider
69.5 km/h - Lotus Exige 240R
69.4 km/h - Porsche 996 GT3RS
69.4 km/h - Dodge Viper SRT-10
69.2 km/h - Porsche Cayman S
69.2 km/h - Mercedes SLK 55 AMG Black series
69.0 km/h - Mercedes-Benz CLK DTM
68.9 km/h - Porsche 996 GT2 MK2
68.9 km/h - Audi RS4
68.8 km/h - Ford GT
68.6 km/h - Chevrolet Corvette C6 Z06
68.6 km/h - Ferrari F430
68.4 km/h - Aston Martin V8 Vantage
68.4 km/h - Porsche 997 Turbo
68.2 km/h - Volkswagen R32 Golf MK2
68.2 km/h - BMW Z4 3.0 CSi
68.2 km/h - Audi TT 2.0 TFSI
68.2 km/h - Lamborghini Gallardo MK1
68.1 km/h - BMW Z4M Coupe
68.1 km/h - Mini Cooper S JWP GP Kit
68.0 km/h - Pagani Zonda C12S 7.3 - Slower but still great
67.9 km/h - Honda S2000 MK2
67.9 km/h - BMW M6
67.8 km/h - BMW E46 M3
67.6 km/h - BMW 335i Coupe
67.4 km/h - Mercedes-Benz SLR McLaren
67.4 km/h - Chevrolet Corvette C6
67.3 km/h - BMW 130i
67.2 km/h - Aston Martin DB9
66.8 km/h - Audi TT 3.2 quattro, 250 PS
66.7 KM/H - Opel Astra GTC 2.0 Turbo
66.7 km/h - Lamborghini Murcielago LP640
66.6 km/h - Renault Clio Sport 197
66.5 km/h - BMW E60 M5
66.4 km/h - Maserati GranSport Spider
66.4 km/h - Maserati GranSport
66.2 km/h - Volkswagen R32 MK1
66.1 km/h - MG SV-R
66.1 km/h - Porsche 996 Turbo S
66.1 km/h - Mercedes-Benz CLK63 AMG
65.8 km/h - Ferrari F430 Spider
65.8 km/h - Mercedes-Benz SLK55 AMG
65.7 km/h - Aston Martin Vanquish S
65.5 km/h - Ferrari 360 Challenge Stradale
65.4 km/h - Alpina B5
65.4 km/h- Ferrari 599 GTB
65.1 km/h - BMW E90 330i
65.0 km/h - Maserati Quattroporte Sport GT
64.6 km/h - Mercedes-Benz CLK DTM Cabriolet
64.5 km/h - Ferrari 599 GTB
64.3 km/h - BMW Z3M Coupe
64.2 km/h - BMW Z3M Roadster
64.1 km/h - Honda S2000 MK1
64.0 km/h - Audi S4 MK2
64.0 km/h -Alfa Romeo GT V6
64.0 km/h - Jaguar XK8 Convertible 06
63.9 km/h - Audi S6
63.8 km/h - Ferrari 612 Scaglietti
63.3 km/h - Audi TT 3.2 DSG MK1
63.2 km/h - Mercedes-Benz SL65 AMG
63.1 km/h - Mercedes-Benz CLS55 AMG
62.8 km/h - Bentley Continental GT
62.5 km/h - Ferrari 575M Maranello
62.4 km/h - Mercedes-Benz C55 AMG
62.4 km/h - Mercedes-Benz C350 6-Speed
62.3 km/h - Mercedes-Benz SL55 AMG MK2
62.2 km/h - Mercedes-Benz E63 AMG
61.7 km/h - Morgan Aero 8 Series 1
61.7 km/h - Audi A8 W12
61.7 km/h - Audi A8 4.2
61.5 km/h - Mercedes-Benz E55 AMG
61.4 km/h - Alfa Rome Brera 3.2 V6 Q4
61.2 km/h - Cadillac STS 4.6 06
60.6 km/h - BMW 550i
60.1 km/h - Lexus GS450h
60.1 km/h - Cadillac XLR 4.6
59.7 km/h - Mercedes-Benz CL65 AMG
59.7 km/h - Maserati Quattroporte
59.6 km/h - Bentley Flying Spur
58.9 km/h - Lexus LS430 04
58.5 km/h - Fiat Panda 1.8 2V
57.2 km/h - Cadillac SRX 4.6

Not-unsurprising. The Gallardo I expected to be a bit higher though.