Buick Century Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
1985
27 MPG combined
Latest Model
2005
21 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2005 | Regular | 18 | 27 | 21 | $3,200 | Details → |
| 2004 | Regular | 18 | 27 | 21 | $3,200 | Details → |
| 2003 | Regular | 18 | 26 | 21 | $3,200 | Details → |
| 2002 | Regular | 18 | 26 | 21 | $3,200 | Details → |
| 2001 | Regular | 18 | 26 | 21 | $3,200 | Details → |
| 2000 | Regular | 18 | 27 | 21 | $3,200 | Details → |
| 1999 | Regular | 17 | 26 | 21 | $3,200 | Details → |
| 1998 | Regular | 17 | 27 | 21 | $3,200 | Details → |
| 1996 | Regular | 21 | 29 | 24 | $2,800 | Details → |
| 1995 | Regular | 17 | 26 | 20 | $3,400 | Details → |
| 1994 | Regular | 22 | 28 | 24 | $2,800 | Details → |
| 1993 | Regular | 21 | 28 | 23 | $2,950 | Details → |
| 1992 | Regular | 19 | 28 | 22 | $3,050 | Details → |
| 1991 | Regular | 19 | 28 | 22 | $3,050 | Details → |
| 1990 | Regular | 20 | 29 | 23 | $2,950 | Details → |
| 1989 | Regular | 21 | 28 | 23 | $2,950 | Details → |
| 1988 | Regular | 21 | 29 | 24 | $2,800 | Details → |
| 1987 | Regular | 19 | 29 | 23 | $2,950 | Details → |
| 1986 | Regular | 19 | 29 | 23 | $2,950 | Details → |
| 1985 | Diesel Diesel | 23 | 32 | 27 | $3,150 | Details → |
| 1984 | Diesel | 21 | 31 | 25 | $3,400 | Details → |