Why some many offerings?
Is the 3.5V6 in the Malibu the same as the 3.5l Impala?
Why does the Equinox SUV have a 3.4l?
Is the 3.8l in the LaCrosse CX the same as the legendary 3.8 in the former LeSabre?
Which is the best engine in terms of efficiency and reliabiltiy?