The 1999 Riviera is a 2-door, 5-passenger luxury coupe, available in one trim only, the Coupe. The 1999 Riviera's... More Info closest competitor is the Cadillac Eldorado.
Upon introduction, the Riviera is equipped with a standard 3.8-liter, V6, 240-horsepower, supercharged engine that achieves 18-mpg in the city and 27-mpg on the highway. A 4-speed automatic transmission with overdrive is standard.
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