1990-1993 Buick Riviera: Year-to-Year Changes
Updated: 11/23/08
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Learn about the year-to-year changes of the 1990-1993 Buick Riviera. Get full details of the styling and performance changes throughout the history of the 1990-1993 Buick Riviera.
Year to Year Changes
1991 Buick Riviera:
Antilock braking was now standard. Also, Riv got a new grille, a more responsive 4-speed automatic transmission, five more horsepower, and a new steering gear.
1992 Buick Riviera:
Solar-control glass became standard on Rivieras. Larger rotors and calipers went into the standard antilock braking system. Otherwise, little change was evident.
1993 Buick Riviera:
Apart from bigger (16-inch) aluminum wheels and tires for the Gran Touring Package, not much was new for '93 coupes. No 1994 Rivieras went on sale, but a completely different Riv arrived for 1995.








