E Edgar A New member Jan 29, 2011 #1 The cadillac cts 2004 comes with a 3.2L or a 3.6L whats the diffrence? which is easier on gas? I am about to buy a 3.6L and premium gas is $3.60 in chicago and regular is $3.40
The cadillac cts 2004 comes with a 3.2L or a 3.6L whats the diffrence? which is easier on gas? I am about to buy a 3.6L and premium gas is $3.60 in chicago and regular is $3.40
