Last Update: Apr. 21, 2019, 5:57 a.m.

Buick Riviera Fuel Consumption

Year Modification Recommended fuel City consumption Highway Economy Combined cycle Consumption per year
1999 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Premium 16 mpg 19 mpg 25 mpg 2703L
1998 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 19 mpg 25 mpg 2703L
1997 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 25.99 mpg 2544L
1997 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Premium 16 mpg 19 mpg 24.01 mpg 2703L
1996 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 21 mpg 27 mpg 2385L
1996 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Premium 16 mpg 19 mpg 25 mpg 2703L
1995 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 25.99 mpg 2544L
1993 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 25 mpg 2544L
1992 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 19 mpg 24.01 mpg 2703L
1991 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 19 mpg 24.01 mpg 2703L
1990 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 19 mpg 25 mpg 2703L
1989 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 25.99 mpg 2544L
1988 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 25.99 mpg 2544L
1987 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 16 mpg 19 mpg 25 mpg 2703L
1986 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 17 mpg 20 mpg 27 mpg 2544L
1985 Riviera 5.7 L, 8 cylinders, Automatic 4-speeds Diesel 18 mpg 21 mpg 25.99 mpg 2862L
1985 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Premium 15 mpg 17 mpg 21.99 mpg 3021L
1985 Riviera 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 21 mpg 3021L
1985 Riviera Convertible (Cabriolet) 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 21 mpg 3021L
1985 Riviera 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1985 Riviera Convertible (Cabriolet) 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 15 mpg 17 mpg 20 mpg 3021L
1985 Riviera Convertible (Cabriolet) 3.8 L, 6 cylinders, Automatic 4-speeds Premium 14 mpg 17 mpg 21.99 mpg 3021L
1984 Riviera 5.7 L, 8 cylinders, Automatic 4-speeds Diesel 18 mpg 21 mpg 25.99 mpg 2862L
1984 Riviera 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 16 mpg 20 mpg 3180L
1984 Riviera 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 16 mpg 20 mpg 3180L
1984 Riviera Convertible (Cabriolet) 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 16 mpg 20 mpg 3180L
1984 Riviera Convertible (Cabriolet) 5.0 L, 8 cylinders, Automatic 4-speeds Regular or Plus 14 mpg 16 mpg 20 mpg 3180L
1984 Riviera 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 20 mpg 3498L
1984 Riviera 4.1 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 20 mpg 3498L
1984 Riviera Convertible (Cabriolet) 3.8 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 20 mpg 3498L
1984 Riviera Convertible (Cabriolet) 4.1 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 20 mpg 3498L
1984 Riviera 4.1 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 19 mpg 3498L
1984 Riviera Convertible (Cabriolet) 4.1 L, 6 cylinders, Automatic 4-speeds Regular or Plus 13 mpg 15 mpg 19 mpg 3498L
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