Stock for stock, they aren't much faster...also that "free" maintenance is far from free. You're paying for it along with the badge. A dealer can throw in a "free" maintenance plan when you're negotiating the price of the Z for instance. It's like with anything companies throw in for free.
__________________
[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]
|