The old M6 has the V10 and the new motor is a turbocharged 8.

It also (at least the M5) has the artificial engine noise played through the speakers.

__________________
'07 Yukon 2500
'13 Subaru Outback 3.6R
'13 Orbea Carpe 9-speed

Currently Benzless
Formerly: 300TD, S600, E55, 560SEL

---= The forest breathes, listen.
-Native American elder