LP670-4 SV result is 1.19.0 same as Ferrari Enzo and here is full chart:

Ferrari FXX 1.10.7
Gumpert Apollo 1.17.1
Ascari A10 1.17.3
Koenigsegg CCX (with Top Gear spoiler) 1.17.6
Pagani Zonda F Roadster 1.17.8
Caterham R500 1.17.9
Bugatti Veyron 1.18.3
Pagani Zonda F 1.18.4
Maserati MC12 1.18.9
Ferrari Enzo 1.19.0
Ariel Atom 1.19.5
Lamborghini LP560 1.19.5
Ferrari Scuderia 1.19.7
Nissan GT-R 1.19.7
Lamborghini LP640 1.19.8
Porsche Carerra GT 1.19.8
Koenigsegg CCX 1.20.4
Ascari KZ1 1.20.7
Mercedes McLaren SLR 1.20.9
Ferrari 599GTB 1.21.2
Ford GT 1.21.9
Ferrari 360 CS 1.22.3
Porsche GT3 RS 1.22.3
Corvette Z06 1.22.4
Noble M15 1.22.5
Murcielago 1.23.7
Zonda 1.23.8
Koenigsegg 1.23.9
Aston Martin DBS 1.23.93

BBC - Top Gear - Power Laps

 

I thought the SV would do a little better. Amazing that the LP560 was only .5 seconds behind the SV.