Buick Century: MPG and fuel economy by year
The EPA has rated the Buick Century across 21 model years, from the 1984 Buick Century through the 2005 Buick Century. The most recent 2005 Buick Century returns 21 combined MPG. The most efficient model year was the 1985 Buick Century at 27 MPG. The nameplate has been in continuous production long enough to span multiple generations of EPA testing methodology.
Pick a year below to open the full Buick Century page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Buick Century. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2005 | 2005 Buick Century | 21 MPG | 18 MPG | 27 MPG | $2,850 |
| 2004 | 2004 Buick Century | 21 MPG | 18 MPG | 27 MPG | $2,850 |
| 2003 | 2003 Buick Century | 21 MPG | 18 MPG | 26 MPG | $2,850 |
| 2002 | 2002 Buick Century | 21 MPG | 18 MPG | 26 MPG | $2,850 |
| 2001 | 2001 Buick Century | 21 MPG | 18 MPG | 26 MPG | $2,850 |
| 2000 | 2000 Buick Century | 21 MPG | 18 MPG | 27 MPG | $2,850 |
| 1999 | 1999 Buick Century | 21 MPG | 17 MPG | 26 MPG | $2,850 |
| 1998 | 1998 Buick Century | 21 MPG | 17 MPG | 27 MPG | $2,850 |
| 1996 | 1996 Buick Century | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 1995 | 1995 Buick Century | 20 MPG | 17 MPG | 26 MPG | $3,000 |
| 1994 | 1994 Buick Century | 24 MPG | 22 MPG | 28 MPG | $2,500 |
| 1993 | 1993 Buick Century | 23 MPG | 21 MPG | 28 MPG | $2,600 |
| 1992 | 1992 Buick Century | 22 MPG | 19 MPG | 28 MPG | $2,700 |
| 1991 | 1991 Buick Century | 22 MPG | 19 MPG | 28 MPG | $2,700 |
| 1990 | 1990 Buick Century | 23 MPG | 20 MPG | 29 MPG | $2,600 |
| 1989 | 1989 Buick Century | 23 MPG | 21 MPG | 28 MPG | $2,600 |
| 1988 | 1988 Buick Century | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 1987 | 1987 Buick Century | 23 MPG | 19 MPG | 29 MPG | $2,600 |
| 1986 | 1986 Buick Century | 23 MPG | 19 MPG | 29 MPG | $2,600 |
| 1985 | 1985 Buick Century | 27 MPG | 23 MPG | 32 MPG | $3,000 |
| 1984 | 1984 Buick Century | 25 MPG | 21 MPG | 31 MPG | $3,250 |
How the Buick Century compares against the Midsize Cars class
Buyers usually compare the Buick Century against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Cars class for the 2005 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.