Originally Posted by Levi
Nice write. As for the most balanced and smouth V6, it is a 90° V6 by Mercedes with rotating balance shafts. It is as smouth as an I6, but more complexe. Can't wait for the revolutionary M3 V6 Turbo. I really do not see any problem with V6, as this will be also the first M3 with turbo. So let is also be first V6.
+1^^ Audi has also used 90 degree V6's both FI and NA over the years and having driven many of them they feel plenty smooth and sound fine. The 90 degree V6 engine design does indeed allow lots of room for a balance shaft setup.