The 2013 Chevrolet Caprice is available as a 4-door, 5-seat sedan. Starting at $31,420, the 2013 Chevrolet Caprice Police is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2013ChevroletCapriceDetective , priced at $ 31,420 , is powered by a 3.6L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated