Off topic but I remember having a lengthy F30 vs B8 discussion about
:
Leasing
A4/S4 don't make the cut. This list makes it clear that in NA, leasing is not the reason BMW sells more 3 series than the A4/S4. You can shave 50% off the 3 series sales numbers and the 3 series will still make the cut, around number 8.
Exclusivity
I guess one could also read this list and conclude both the A4/S4 are exclusive
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