Buick Lesabre MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Buick Lesabre model year from 1984 to 2005 — each engine and transmission with its official city, highway and combined figures. Over these years the Lesabre has been offered with 3.8L 6-cyl, 5.0L 8-cyl, 3.0L 6-cyl, 5.7L 8-cyl, 4.1L 6-cyl engines; the most efficient version is the 2005 (up to 21 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Buick Lesabre fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2005 21 MPG 3.8L 6-cyl — —
2004 21 MPG 3.8L 6-cyl — —
2003 21 MPG 3.8L 6-cyl — —
2002 21 MPG 3.8L 6-cyl — —
2001 20 MPG 3.8L 6-cyl — —
2000 20 MPG 3.8L 6-cyl — —
1999 21 MPG 3.8L 6-cyl — —
1998 21 MPG 3.8L 6-cyl — —
1997 20 MPG 3.8L 6-cyl — —
1996 20 MPG 3.8L 6-cyl — —
1995 20 MPG 3.8L 6-cyl — —
1994 20 MPG 3.8L 6-cyl — —
1993 20 MPG 3.8L 6-cyl — —
1992 19 MPG 3.8L 6-cyl — —
1991 20 MPG 3.8L 6-cyl — —
1990 19 MPG 3.8L 6-cyl — —
1989 18–20 MPG 3.8L 6-cyl, 5.0L 8-cyl — —
1988 18–20 MPG 3.8L 6-cyl, 5.0L 8-cyl — —
1987 17–19 MPG 3.8L 6-cyl, 5.0L 8-cyl — —
1986 17–20 MPG 3.8L 6-cyl, 3.0L 6-cyl, 5.0L 8-cyl — —
1985 17–21 MPG 5.7L 8-cyl, 5.0L 8-cyl, 3.8L 6-cyl — —
1984 16–21 MPG 5.7L 8-cyl, 3.8L 6-cyl, 4.1L 6-cyl, 5.0L 8-cyl — —

2005 Buick Lesabre: engines & MPG

The 2005 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG

2004 Buick Lesabre: engines & MPG

The 2004 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG

2003 Buick Lesabre: engines & MPG

The 2003 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG

2002 Buick Lesabre: engines & MPG

The 2002 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG

2001 Buick Lesabre: engines & MPG

The 2001 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

2000 Buick Lesabre: engines & MPG

The 2000 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

1999 Buick Lesabre: engines & MPG

The 1999 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG

1998 Buick Lesabre: engines & MPG

The 1998 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG

1997 Buick Lesabre: engines & MPG

The 1997 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

1996 Buick Lesabre: engines & MPG

The 1996 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG

1995 Buick Lesabre: engines & MPG

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

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

1994 Buick Lesabre: engines & MPG

The 1994 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

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

1993 Buick Lesabre: engines & MPG

The 1993 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

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

1992 Buick Lesabre: engines & MPG

The 1992 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 16 26 19 MPG

1991 Buick Lesabre: engines & MPG

The 1991 Lesabre was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 20 MPG.

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

1990 Buick Lesabre: engines & MPG

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

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG

1989 Buick Lesabre: engines & MPG

The 1989 Lesabre was EPA-rated in 2 versions (3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 22 18 MPG

1988 Buick Lesabre: engines & MPG

The 1988 Lesabre was EPA-rated in 2 versions (3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 22 18 MPG

1987 Buick Lesabre: engines & MPG

The 1987 Lesabre was EPA-rated in 2 versions (3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 17 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 22 17 MPG

1986 Buick Lesabre: engines & MPG

The 1986 Lesabre was EPA-rated in 3 versions (3.8L 6-cyl, 3.0L 6-cyl, 5.0L 8-cyl), with combined economy from 17 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
LeSabre 3.0L 6-cyl Automatic 4-spd Regular 16 24 19 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 22 17 MPG

1985 Buick Lesabre: engines & MPG

The 1985 Lesabre was EPA-rated in 6 versions (5.7L 8-cyl, 5.0L 8-cyl, 3.8L 6-cyl), with combined economy from 17 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre/Electra Wagon 5.7L 8-cyl Automatic 4-spd Diesel 18 26 21 MPG
LeSabre 5.7L 8-cyl Automatic 4-spd Diesel 18 26 21 MPG
LeSabre 5.0L 8-cyl Automatic 4-spd Regular 15 22 18 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 21 17 MPG
LeSabre/Electra Wagon 5.0L 8-cyl Automatic 4-spd Regular 15 20 17 MPG
LeSabre 3.8L 6-cyl Automatic 3-spd Regular 15 20 17 MPG

1984 Buick Lesabre: engines & MPG

The 1984 Lesabre was EPA-rated in 7 versions (5.7L 8-cyl, 3.8L 6-cyl, 4.1L 6-cyl, 5.0L 8-cyl), with combined economy from 16 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
LeSabre 5.7L 8-cyl Automatic 4-spd Diesel 18 26 21 MPG
LeSabre 3.8L 6-cyl Automatic 3-spd Regular 15 20 17 MPG
LeSabre 4.1L 6-cyl Automatic 4-spd Regular 15 20 16 MPG
LeSabre 5.0L 8-cyl Automatic 3-spd Regular 14 19 16 MPG
LeSabre 4.1L 6-cyl Automatic 4-spd Regular 14 19 16 MPG
LeSabre 5.0L 8-cyl Automatic 4-spd Regular 14 20 16 MPG
LeSabre 5.0L 8-cyl Automatic 4-spd Regular 14 21 16 MPG

Frequently asked questions

What MPG does a Buick Lesabre get?

Depending on year and engine, EPA combined ratings for the Lesabre range from 19 to 21 MPG. The most efficient rated version is the 2005 model year.

What engines does the 2005 Buick Lesabre have?

The 2005 Lesabre 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 Lesabre require premium gas?

No — rated versions run on regular gasoline or diesel.

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

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

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