does the VS only have the ecotec engine, or does it have one without ecotec? which is more powerful, does it make a big difference if so? thanks :thumbsup:
only has ecotec mate, unless u go for the 5 litre or the supercharged 6, i wonder which is more powerfull the supercharged or the n/a ecotec makes u wonder doesnt it.
VR has the buick 6 VS has the ecotec 6 VS series 2 calais had the option of S/C6 (still ecotec engine but S/C)