STS-V Ring time

[SL55 AMG]

Performance testing for the STS-V has been completed at the Nordschliefe circuit of Germany's famed Nurburgring, widely recognized as one of the world's most demanding tracks. The STS-V clocked lap times of approximately 8:30, a blistering pace for most any production vehicle, let alone a luxury sedan.

I found this at www.americancarfans.com, im not too familiar with many ring times so i was wondering how this approximate 8:30 stacks up against the its rivals (M5, E55, RS6 etc.)