Buick Park Avenue MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Buick Park Avenue model year from 1984 to 2005 — each engine and transmission with its official city, highway and combined figures. Over these years the Park Avenue has been offered with 3.8L 6-cyl, 4.3L 6-cyl, 3.0L 6-cyl, 5.7L 8-cyl, 4.1L 6-cyl, 5.0L 8-cyl engines; the most efficient version is the 1984 (up to 24 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Buick Park Avenue fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2005 20–21 MPG 3.8L 6-cyl
2004 20–21 MPG 3.8L 6-cyl
2003 19–21 MPG 3.8L 6-cyl
2002 19–21 MPG 3.8L 6-cyl
2001 20 MPG 3.8L 6-cyl
2000 19–20 MPG 3.8L 6-cyl
1999 19–20 MPG 3.8L 6-cyl
1998 19–20 MPG 3.8L 6-cyl
1997 19–20 MPG 3.8L 6-cyl
1996 19–21 MPG 3.8L 6-cyl
1995 20 MPG 3.8L 6-cyl
1994 18–20 MPG 3.8L 6-cyl
1993 18–20 MPG 3.8L 6-cyl
1992 18–19 MPG 3.8L 6-cyl
1991 19 MPG 3.8L 6-cyl
1990 19 MPG 3.8L 6-cyl
1989 20 MPG 3.8L 6-cyl
1988 20 MPG 3.8L 6-cyl
1987 19 MPG 3.8L 6-cyl
1986 20 MPG 3.8L 6-cyl
1985 18–23 MPG 4.3L 6-cyl, 3.8L 6-cyl, 3.0L 6-cyl
1984 15–24 MPG 4.3L 6-cyl, 5.7L 8-cyl, 4.1L 6-cyl, 5.0L 8-cyl

2005 Buick Park Avenue: engines & MPG

The 2005 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 17 26 20 MPG

2004 Buick Park Avenue: engines & MPG

The 2004 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG

2003 Buick Park Avenue: engines & MPG

The 2003 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

2002 Buick Park Avenue: engines & MPG

The 2002 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

2001 Buick Park Avenue: engines & MPG

The 2001 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

2000 Buick Park Avenue: engines & MPG

The 2000 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

1999 Buick Park Avenue: engines & MPG

The 1999 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 25 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

1998 Buick Park Avenue: engines & MPG

The 1998 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG

1997 Buick Park Avenue: engines & MPG

The 1997 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 24 19 MPG

1996 Buick Park Avenue: engines & MPG

The 1996 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

1995 Buick Park Avenue: engines & MPG

The 1995 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1994 Buick Park Avenue: engines & MPG

The 1994 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 25 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1993 Buick Park Avenue: engines & MPG

The 1993 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 25 20 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 15 25 18 MPG

1992 Buick Park Avenue: engines & MPG

The 1992 Park Avenue was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 16 24 19 MPG
Park Avenue 3.8L 6-cyl Automatic 4-spd Premium 15 24 18 MPG

1991 Buick Park Avenue: engines & MPG

The 1991 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 16 24 19 MPG

1990 Buick Park Avenue: engines & MPG

The 1990 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG

1989 Buick Park Avenue: engines & MPG

The 1989 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1988 Buick Park Avenue: engines & MPG

The 1988 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1987 Buick Park Avenue: engines & MPG

The 1987 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG

1986 Buick Park Avenue: engines & MPG

The 1986 Park Avenue was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

1985 Buick Park Avenue: engines & MPG

The 1985 Park Avenue was EPA-rated in 4 versions (4.3L 6-cyl, 3.8L 6-cyl, 3.0L 6-cyl), with combined economy from 18 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 4.3L 6-cyl Automatic 4-spd Diesel 19 29 23 MPG
Electra/Park Avenue 3.8L 6-cyl Automatic 4-spd Regular 17 24 19 MPG
Electra/Park Avenue 3.0L 6-cyl Automatic 4-spd Regular 16 23 19 MPG
Electra/Park Avenue 3.0L 6-cyl Automatic 4-spd Regular 15 23 18 MPG

1984 Buick Park Avenue: engines & MPG

The 1984 Park Avenue was EPA-rated in 6 versions (4.3L 6-cyl, 5.7L 8-cyl, 4.1L 6-cyl, 5.0L 8-cyl), with combined economy from 15 to 24 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Electra/Park Avenue 4.3L 6-cyl Automatic 4-spd Diesel 21 31 24 MPG
Electra/Park Avenue 5.7L 8-cyl Automatic 4-spd Diesel 18 26 21 MPG
Electra/Park Avenue 4.1L 6-cyl Automatic 4-spd Regular 15 20 16 MPG
Electra/Park Avenue 5.0L 8-cyl Automatic 4-spd Regular 14 20 16 MPG
Electra/Park Avenue 4.1L 6-cyl Automatic 4-spd Regular 14 19 16 MPG
Electra/Park Avenue 5.0L 8-cyl Automatic 4-spd Regular 13 20 15 MPG

Frequently asked questions

What MPG does a Buick Park Avenue get?

Depending on year and engine, EPA combined ratings for the Park Avenue range from 19 to 24 MPG. The most efficient rated version is the 1984 model year.

What engines does the 2005 Buick Park Avenue have?

The 2005 Park Avenue was EPA-rated with 3.8L 6-cyl engines — see the 2005 table above for each version's exact city/highway figures.

Does the Buick Park Avenue require premium gas?

Some versions do: EPA lists regular gasoline and premium gasoline and diesel depending on year and engine — check your year's table above.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of August 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Buick Park Avenue EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/buick/park-avenue.

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See also: Buick Park Avenue hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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