The top speed differs in the US and Europe. In the US the BMW m5 reaches its top speed of 148 mph in 6.5s. In Europe the BMW m5 reaches its top speed of 153mph in 6.2s.
The top speed of a M5 is at 155 mph electronically limited. The car will go faster, but the engine computer cuts off the fuel after 155.
E28 M5 (1985-1988): 5 Speed ManualE34 M5 (1989-1995): 5 Speed Manual, with a 6 Speed Manual available as an option from 1991 onwardsE39 M5 (1998-2003): 6 Speed ManualE60 M5 (2005-2010): 7 Speed SMG III, with a 6 Speed Manual available as an option from October 2006 onwards in USA onlyF10 M5 (2011-Present): 7 Speed M-DCT, with a 6 Speed Manual available as an option in USA/Canada only
The 2002 BMW M5 has a 6-speed manual.
The 2003 BMW M5 has a 6-speed manual.
The 2001 BMW M5 has a 6-speed manual.
The 2009 BMW M5 has a 7-speed automated manual.
The 2006 BMW M5 has a 7-speed automated manual.
The 2008 BMW M5 has a 7-speed automated manual.
The 2007 BMW M5 has a 7-speed automated manual.
The 2014 BMW M5 has a 7-speed automated manual.
The 2013 BMW M5 has a 7-speed automated manual.