Recognizing the error of its downsizing ways, Buick added 11 inches to the tail of the 1989 Riviera, plus more chrome and a cushier ride.  Buick’s flagship used to have an uncanny resemblance to a smaller Buick, which diluted its prestige considerably. A sleeker, longer Riv joined up in 1989, replete with new bodywork to regain the affection … Continue reading 1989 Buick Riviera Manufacturers Promo