I noticed some differences between the model years of the Caprice.
1991-93 steering wheel was thinner and used the CHEVROLET badge.
http://gtcarlot.com/colors/car/33146747-13.html (1991)
http://gtcarlot.com/colors/car/75669794-13.html (1992)
http://gtcarlot.com/colors/car/63038825-7.html (1993)
1994 simply used CLASSIC on the wheel and removed the buttons
http://gtcarlot.com/colors/car/55757073-13.html
1995-96 replaced CLASSIC with AIR BAG but kept the same wheel design
http://gtcarlot.com/colors/car/72246377-4.html (1995)
http://gtcarlot.com/colors/car/52201220-11.html (1996)