Buick · 1984–2005 · Gas

Buick Century MPG by year

The EPA has rated 21 model years of the Buick Century, from 1984 to 2005. The most fuel-efficient year is the 1996, at 24 MPG combined in its best configuration. The best 2005 model is 9% less efficient than the best 1984 model (21 vs. 23 MPG). The 2005 model is about as efficient as the median midsize car (21 MPG).

Most efficient year199624 MPG combined
Latest (2005)21 MPG$2,214/yr to fuel
First rated (1984)23 MPG$2,022/yr at today's prices
Model years rated2152 configurations

Combined MPG by model year

  • Century, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every Century model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2005 Gas 21 MPG 18 / 27 21 — 1 $2,214
2004 Gas 21 MPG 18 / 27 21 — 1 $2,214
2003 Gas 21 MPG 18 / 26 21 — 1 $2,214
2002 Gas 21 MPG 18 / 26 20.5 — 1 $2,214
2001 Gas 21 MPG 18 / 26 20 — 1 $2,214
2000 Gas 21 MPG 18 / 27 20 — 1 $2,214
1999 Gas 21 MPG 17 / 26 20 — 1 $2,214
1998 Gas 21 MPG 17 / 27 21 — 1 $2,214
1996 Gas 24 MPG
lowest 21
21 / 29 21 — 2 $1,938
1995 Gas 20 MPG 17 / 26 20 — 1 $2,325
1994 Gas 24 MPG
lowest 20
22 / 28 20 — 2 $1,938
1993 Gas 23 MPG
lowest 19
21 / 28 19 — 3 $2,022
1992 Gas 22 MPG
lowest 19
19 / 28 19 — 3 $2,114
1991 Gas 22 MPG
lowest 19
19 / 28 19 — 3 $2,114
1990 Gas 23 MPG
lowest 20
20 / 29 20 — 3 $2,022
1989 Gas 23 MPG
lowest 20
21 / 28 20.5 — 5 $2,022
1988 Gas 24 MPG
lowest 20
21 / 29 20 — 4 $1,938
1987 Gas 23 MPG
lowest 19
19 / 29 19 — 4 $2,022
1986 Gas 23 MPG
lowest 19
19 / 29 19 — 4 $2,022
1985 Gas 24 MPG
lowest 18
21 / 29 20 — 6 $1,938
1984 Gas 23 MPG
lowest 18
20 / 28 21 — 4 $2,022

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare Century model years

See how much a newer Century would save over an older one.

Models similar to the Buick Century

Other Buick Century versions

Frequently asked questions

Which Buick Century year has the best fuel economy?

The 1994 Buick Century, rated up to 24 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $1,938 a year.

Which Buick Century year has the worst fuel economy?

The 1995 model, whose most efficient version is rated 20 MPG combined (about $2,325 a year to fuel).

What is the fuel economy of the latest Buick Century?

The 2005 Buick Century is rated up to 21 MPG combined.

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