Pontiac Bonneville MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Pontiac Bonneville model year from 1984 to 2005 — each engine and transmission with its official city, highway and combined figures. Over these years the Bonneville has been offered with 3.8L 6-cyl, 4.6L 8-cyl, 4.3L 6-cyl, 5.0L 8-cyl, 5.7L 8-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.

Pontiac Bonneville fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2005 18–21 MPG 3.8L 6-cyl, 4.6L 8-cyl — —
2004 18–21 MPG 3.8L 6-cyl, 4.6L 8-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 18–21 MPG 3.8L 6-cyl — —
1995 18–20 MPG 3.8L 6-cyl — —
1994 18–20 MPG 3.8L 6-cyl — —
1993 18–20 MPG 3.8L 6-cyl — —
1992 17–19 MPG 3.8L 6-cyl — —
1991 20 MPG 3.8L 6-cyl — —
1990 19 MPG 3.8L 6-cyl — —
1989 19 MPG 3.8L 6-cyl — —
1988 20 MPG 3.8L 6-cyl — —
1987 19 MPG 3.8L 6-cyl — —
1986 18–19 MPG 4.3L 6-cyl, 3.8L 6-cyl, 5.0L 8-cyl — —
1985 16–19 MPG 3.8L 6-cyl, 5.0L 8-cyl — —
1984 15–21 MPG 5.7L 8-cyl, 3.8L 6-cyl, 5.0L 8-cyl — —

2005 Pontiac Bonneville: engines & MPG

The 2005 Bonneville was EPA-rated in 2 versions (3.8L 6-cyl, 4.6L 8-cyl), with combined economy from 18 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Bonneville 4.6L 8-cyl Automatic 4-spd Regular 15 22 18 MPG

2004 Pontiac Bonneville: engines & MPG

The 2004 Bonneville was EPA-rated in 3 versions (3.8L 6-cyl, 4.6L 8-cyl), with combined economy from 18 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG
Bonneville 4.6L 8-cyl Automatic 4-spd Regular 15 22 18 MPG

2003 Pontiac Bonneville: engines & MPG

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

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

2002 Pontiac Bonneville: engines & MPG

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

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

2001 Pontiac Bonneville: engines & MPG

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

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

2000 Pontiac Bonneville: engines & MPG

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

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

1999 Pontiac Bonneville: engines & MPG

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

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

1998 Pontiac Bonneville: engines & MPG

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

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

1997 Pontiac Bonneville: engines & MPG

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

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

1996 Pontiac Bonneville: engines & MPG

The 1996 Bonneville was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 18 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 15 24 18 MPG

1995 Pontiac Bonneville: engines & MPG

The 1995 Bonneville was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 15 23 18 MPG

1994 Pontiac Bonneville: engines & MPG

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

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 15 23 18 MPG

1993 Pontiac Bonneville: engines & MPG

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

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 15 23 18 MPG

1992 Pontiac Bonneville: engines & MPG

The 1992 Bonneville was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 17 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 4-spd Regular 16 26 19 MPG
Bonneville 3.8L 6-cyl Automatic 4-spd Premium 15 23 17 MPG

1991 Pontiac Bonneville: engines & MPG

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

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

1990 Pontiac Bonneville: engines & MPG

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

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

1989 Pontiac Bonneville: engines & MPG

The 1989 Bonneville was EPA-rated in 1 version (3.8L 6-cyl), with combined economy of 19 MPG.

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

1988 Pontiac Bonneville: engines & MPG

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

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

1987 Pontiac Bonneville: engines & MPG

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

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

1986 Pontiac Bonneville: engines & MPG

The 1986 Bonneville was EPA-rated in 4 versions (4.3L 6-cyl, 3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 4.3L 6-cyl Automatic 4-spd Regular 16 24 19 MPG
Bonneville 4.3L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Bonneville 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Bonneville 5.0L 8-cyl Automatic 4-spd Regular 15 23 18 MPG

1985 Pontiac Bonneville: engines & MPG

The 1985 Bonneville was EPA-rated in 5 versions (3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 16 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Bonneville 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Bonneville 5.0L 8-cyl Automatic 3-spd Regular 15 20 17 MPG
Bonneville 5.0L 8-cyl Automatic 4-spd Regular 14 20 17 MPG
Bonneville 5.0L 8-cyl Automatic 3-spd Regular 15 20 16 MPG

1984 Pontiac Bonneville: engines & MPG

The 1984 Bonneville was EPA-rated in 7 versions (5.7L 8-cyl, 3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 15 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Bonneville 5.7L 8-cyl Automatic 4-spd Diesel 18 27 21 MPG
Bonneville 5.7L 8-cyl Automatic 3-spd Diesel 18 25 21 MPG
Bonneville 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Bonneville 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Bonneville 5.0L 8-cyl Automatic 4-spd Regular 15 21 17 MPG
Bonneville 5.0L 8-cyl Automatic 3-spd Regular 15 19 16 MPG
Bonneville 5.0L 8-cyl Automatic 3-spd Regular 14 18 15 MPG

Frequently asked questions

What MPG does a Pontiac Bonneville get?

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

What engines does the 2005 Pontiac Bonneville have?

The 2005 Bonneville was EPA-rated with 3.8L 6-cyl, 4.6L 8-cyl engines — see the 2005 table above for each version's exact city/highway figures.

Does the Pontiac Bonneville 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 September 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Pontiac Bonneville EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/pontiac/bonneville.

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