Pontiac Grand Prix MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Pontiac Grand Prix model year from 1984 to 2008 — each engine and transmission with its official city, highway and combined figures. Over these years the Grand Prix has been offered with 3.8L 6-cyl, 5.3L 8-cyl, 3.1L 6-cyl, 3.4L 6-cyl, 2.3L 4-cyl, 2.8L 6-cyl engines; the most efficient version is the 1990 (up to 22 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Pontiac Grand Prix fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2008 19–21 MPG 3.8L 6-cyl, 5.3L 8-cyl
2007 19–21 MPG 3.8L 6-cyl, 5.3L 8-cyl
2006 19–21 MPG 3.8L 6-cyl, 5.3L 8-cyl
2005 19–21 MPG 3.8L 6-cyl, 5.3L 8-cyl
2004 19–21 MPG 3.8L 6-cyl
2003 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
2002 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
2001 20–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
2000 19–21 MPG 3.8L 6-cyl, 3.1L 6-cyl
1999 19–21 MPG 3.8L 6-cyl, 3.1L 6-cyl
1998 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
1997 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
1996 18–21 MPG 3.1L 6-cyl, 3.4L 6-cyl
1995 18–20 MPG 3.1L 6-cyl, 3.4L 6-cyl
1994 18–20 MPG 3.1L 6-cyl, 3.4L 6-cyl
1993 18–20 MPG 3.1L 6-cyl, 3.4L 6-cyl
1992 18–20 MPG 3.1L 6-cyl, 3.4L 6-cyl
1991 18–21 MPG 2.3L 4-cyl, 3.1L 6-cyl, 3.4L 6-cyl
1990 18–22 MPG 2.3L 4-cyl, 3.1L 6-cyl
1989 17–21 MPG 2.8L 6-cyl, 3.1L 6-cyl
1988 20–21 MPG 2.8L 6-cyl
1987 18–19 MPG 4.3L 6-cyl, 3.8L 6-cyl, 5.0L 8-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

2008 Pontiac Grand Prix: engines & MPG

The 2008 Grand Prix was EPA-rated in 2 versions (3.8L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 18 28 21 MPG
Grand Prix 5.3L 8-cyl Automatic (S4) Premium 16 25 19 MPG

2007 Pontiac Grand Prix: engines & MPG

The 2007 Grand Prix was EPA-rated in 4 versions (3.8L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 18 28 21 MPG
Grand Prix 3.8L 6-cyl Automatic (S4) Premium 17 26 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 17 26 20 MPG
Grand Prix 5.3L 8-cyl Automatic (S4) Premium 16 25 19 MPG

2006 Pontiac Grand Prix: engines & MPG

The 2006 Grand Prix was EPA-rated in 4 versions (3.8L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 18 28 21 MPG
Grand Prix 3.8L 6-cyl Automatic (S4) Premium 17 26 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 17 26 20 MPG
Grand Prix 5.3L 8-cyl Automatic (S4) Premium 16 25 19 MPG

2005 Pontiac Grand Prix: engines & MPG

The 2005 Grand Prix was EPA-rated in 4 versions (3.8L 6-cyl, 5.3L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 17 26 20 MPG
Grand Prix 5.3L 8-cyl Automatic (S4) Regular 16 25 19 MPG
Grand Prix 3.8L 6-cyl Automatic (S4) Premium 16 24 19 MPG

2004 Pontiac Grand Prix: engines & MPG

The 2004 Grand Prix was EPA-rated in 3 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 18 28 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

2003 Pontiac Grand Prix: engines & MPG

The 2003 Grand Prix was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

2002 Pontiac Grand Prix: engines & MPG

The 2002 Grand Prix was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

2001 Pontiac Grand Prix: engines & MPG

The 2001 Grand Prix was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 28 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG

2000 Pontiac Grand Prix: engines & MPG

The 2000 Grand Prix was EPA-rated in 3 versions (3.8L 6-cyl, 3.1L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

1999 Pontiac Grand Prix: engines & MPG

The 1999 Grand Prix was EPA-rated in 3 versions (3.8L 6-cyl, 3.1L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 26 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 25 19 MPG

1998 Pontiac Grand Prix: engines & MPG

The 1998 Grand Prix was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 16 25 19 MPG

1997 Pontiac Grand Prix: engines & MPG

The 1997 Grand Prix was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Grand Prix 3.8L 6-cyl Automatic 4-spd Premium 16 26 19 MPG

1996 Pontiac Grand Prix: engines & MPG

The 1996 Grand Prix was EPA-rated in 2 versions (3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1995 Pontiac Grand Prix: engines & MPG

The 1995 Grand Prix was EPA-rated in 2 versions (3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1994 Pontiac Grand Prix: engines & MPG

The 1994 Grand Prix was EPA-rated in 2 versions (3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1993 Pontiac Grand Prix: engines & MPG

The 1993 Grand Prix was EPA-rated in 4 versions (3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Grand Prix 3.1L 6-cyl Automatic 3-spd Regular 17 25 20 MPG
Grand Prix 3.4L 6-cyl Manual 5-spd Regular 15 24 18 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1992 Pontiac Grand Prix: engines & MPG

The 1992 Grand Prix was EPA-rated in 4 versions (3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 3.1L 6-cyl Automatic 3-spd Regular 17 24 20 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Grand Prix 3.4L 6-cyl Manual 5-spd Regular 15 24 18 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG

1991 Pontiac Grand Prix: engines & MPG

The 1991 Grand Prix was EPA-rated in 4 versions (2.3L 4-cyl, 3.1L 6-cyl, 3.4L 6-cyl), with combined economy from 18 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 2.3L 4-cyl Automatic 3-spd Regular 19 26 21 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 28 20 MPG
Grand Prix 3.4L 6-cyl Automatic 4-spd Regular 15 24 18 MPG
Grand Prix 3.4L 6-cyl Manual 5-spd Regular 15 24 18 MPG

1990 Pontiac Grand Prix: engines & MPG

The 1990 Grand Prix was EPA-rated in 5 versions (2.3L 4-cyl, 3.1L 6-cyl), with combined economy from 18 to 22 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 2.3L 4-cyl Automatic 3-spd Regular 19 27 22 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Grand Prix 3.1L 6-cyl Manual 5-spd Regular 15 26 19 MPG
Grand Prix Turbo 3.1L 6-cyl Automatic 4-spd Premium 15 23 18 MPG
Grand Prix Ste Turbo 3.1L 6-cyl Automatic 4-spd Premium 15 23 18 MPG

1989 Pontiac Grand Prix: engines & MPG

The 1989 Grand Prix was EPA-rated in 4 versions (2.8L 6-cyl, 3.1L 6-cyl), with combined economy from 17 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 2.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Grand Prix 3.1L 6-cyl Automatic 4-spd Regular 17 28 20 MPG
Grand Prix 2.8L 6-cyl Manual 5-spd Regular 16 27 20 MPG
Grand Prix Turbo 3.1L 6-cyl Automatic 4-spd Premium 15 23 17 MPG

1988 Pontiac Grand Prix: engines & MPG

The 1988 Grand Prix was EPA-rated in 2 versions (2.8L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Grand Prix 2.8L 6-cyl Automatic 4-spd Regular 18 26 21 MPG
Grand Prix 2.8L 6-cyl Manual 5-spd Regular 17 26 20 MPG

1987 Pontiac Grand Prix: engines & MPG

The 1987 Grand Prix 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
Grand Prix 4.3L 6-cyl Automatic 4-spd Regular 17 24 19 MPG
Grand Prix 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Grand Prix 4.3L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Grand Prix 5.0L 8-cyl Automatic 4-spd Regular 15 22 18 MPG

1986 Pontiac Grand Prix: engines & MPG

The 1986 Grand Prix 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
Grand Prix 4.3L 6-cyl Automatic 4-spd Regular 16 24 19 MPG
Grand Prix 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Grand Prix 4.3L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Grand Prix 5.0L 8-cyl Automatic 4-spd Regular 15 23 18 MPG

1985 Pontiac Grand Prix: engines & MPG

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

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

1984 Pontiac Grand Prix: engines & MPG

The 1984 Grand Prix 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
Grand Prix 5.7L 8-cyl Automatic 3-spd Diesel 18 25 21 MPG
Grand Prix 5.7L 8-cyl Automatic 4-spd Diesel 18 27 21 MPG
Grand Prix 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Grand Prix 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Grand Prix 5.0L 8-cyl Automatic 4-spd Regular 15 21 17 MPG
Grand Prix 5.0L 8-cyl Automatic 3-spd Regular 15 19 16 MPG
Grand Prix 5.0L 8-cyl Automatic 3-spd Regular 14 18 15 MPG

Frequently asked questions

What MPG does a Pontiac Grand Prix get?

Depending on year and engine, EPA combined ratings for the Grand Prix range from 19 to 22 MPG. The most efficient rated version is the 1990 model year.

What engines does the 2008 Pontiac Grand Prix have?

The 2008 Grand Prix was EPA-rated with 3.8L 6-cyl, 5.3L 8-cyl engines — see the 2008 table above for each version's exact city/highway figures.

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

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

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