I have an '81 7-passenger that I bought new in January '82.
It has rubber mats and vinyl seats.  When I bought it, there
were '82s on the lot.  They had carpet; don't remember the
seats.  I let the dealer sell me the '81 at a discount to
move it out without telling him I wanted rubber over carpet.

http://jones.colorado.edu/jones/nebr.jpg

                                Richard A Jones
                                Boulder, Colorado