Some sources show that Quattroporte IV Evoluzione was available with 2.0 V6 engine, when in fact Ferrari management dropped it for couple reasons. Firstly to upscale the whole marque and secondly to distance it’s reputation from the 2.0 Biturbos. And after this change and the introduction of 3200 GT, whole Maserati lineup was made up of 2.8 and 3.2 capacity engines.
Old production numbers:
Quattroporte Evoluzione 2.0 V6 200
Quattroporte Evoluzione 2.8 V6 190
New production numbers:
Quattroporte Evoluzione 2.8 V6 390
Reason: the other remaining model is a V8 Evoluzione and it’s production numbers are not changed, so all the available numbers should be counted as (2.8) V6 Evoluzione.
From Maserati Classiche:
“The Quattroporte Evoluzione model was manufactured only with the engines V6 of 2.790cc and V8 of 3.217cc.”