You'll like this; I promised you more 1991 Chevy Caprices, and I'm delivering them; First, here's a link to some NYPD cars:
http://img265.imageshack.us/g/usmarshals1991chevycapr.jpg/

And the Taxicab:
http://img9.imageshack.us/g/usmarshals1991chevycapr.jpg/

But what's this? One of those cabs somehow becomes a 1986-1990 Chevrolet Caprice.

I'll get others.