Few days a go TOP GEAR's "STIG" has tested the R8.
From my point of few the test's are a good reference, because always the same track and driver.
R8 Time:
1'24.2 that would be rank 18
Check the TOP 50 .
1 Koenigsegg CCX (with TG spoiler) 1.17.6
2 Pagani Zonda F 1.18.4
3 Maserati MC12 1.18.9
4 Ferrari Enzo 1.19.0
5 Ariel Atom 1.19.5
6 Porsche Carrera GT 1.19.8
7 Koenigsegg CCX 1.20.4
8 Ascari KZ1 1.20.7
9 Mercedes-Benz SLR McLaren 1.20.9
10 Ford GT 1.21.9
11 Porsche GT3 RS 1.22.3
12 Ferrari 360 CS 1.22.3
13 Chevrolet Corvette Z06 1.22.4
14 Lamborghini Murcielago 1.23.7
15 Pagani Zonda 1.23.8
16 Noble M15 1.23.9
17 Koenigsegg 1.23.9
18 Prodrive P2 1.24.3
19 TVR Sagaris 1.24.6
20 TVR Tuscan 1.24.8
21 Mitsubishi Evo FQ 400 1.24.8
22 Noble 1.25.0
23 Lotus Exige S 1.25.1
24 Lamborghini Gallardo Spyder 1.25.7
25 Lamborghini Gallardo 1.25.8
26 Morgan Aero 8 GTN 1.25.9
27 BMW Z4 M 1.26.0
28 BMW M5 1.26.2
29 Porsche Cayman 1.26.2
30 Ferrari 575 GTC 1.26.8
31 Chevrolet Corvette 1.26.8
32 Mercedes-Benz CLS 55 AMG 1.26.9
33 Lotus Exige 1.26.9
34 Porsche 911 GT3 1.27.2
35 Spyker C8 1.27.3
36 TVR 350C 1.27.5
37 Wiesmann 1.27.9
38 BMW M3 CSL 1.28.0
39 Marcos TSO GT2 1.28.2
40 Dodge Viper SRT-10 1.28.5
41 MG SV 1.28.6
42 Mitsubishi Evo VIII 1.28.9
43 Porsche 911 Carrera S 1.28.9
44 Mercedes-Benz CL65 1.29
45 BMW Alpina Z8 1.29.0
46 Subaru Impreza STi WRX WR1 1.29.4
47 Alfa Romeo 3.7 GTA 1.30.0
48 Vauxhall Monaro VXR 1.30.1
49 Subaru Impreza STI 1.30.1
50 Volkswagen Golf R32 1.30.4