Why are eigdl. Chevy Impala ́ and FORD Crown Victory so rarely represented in D.WHY?

Hi. I really like these two models so from 95 upwards ! But the offer in D is relatively thin and if what is available, then it is quite expensive ! The two models are very common in the USA ! In NY drive a lot of it around ! I have always been looking at Law & Order or CSI Miami/Vegas around me looking at the slurries 🙂 Just at Law & Order the sound comes over horny ! Does anyone have any idea why these are so rare ?