1991 Cadillac Seville STS. Carmine Red on Medium Beechwood leather. Factory moonroof. 2000 Cadillac Eldorado star chrome wheels. Aftermarket subwoofer in trunk. Absolutely stunning. Limited Edition production vehicle. 1991 models came in polo green, white diamond, sable black, royal maroon, carmine red, and black sapphire. First Seville STSs were actually hand built custom models (1988). 1989-1991 were production versions. 88-89 models looked like regular Seville models with "Seville STS" emblem on deck lid. Unlike regular Sevilles, STSs models have wreath & crest emblem on grille. 1990 & 1991 models came with "STS" emblem on deck lid. 1990-1991 came with with dual exhausts outlets and extended front and body fascias. 1991 has 200HP 4.9L engine. 1990 has 4.5L engine with 180 horsepower rating, rear bucket seats (yes, rear bucket seats) with a rear center storage.