Buick Regal MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Buick Regal model year from 1984 to 2020 — each engine and transmission with its official city, highway and combined figures. Over these years the Regal has been offered with 2.0L 4-cyl, 3.6L 6-cyl, 2.4L 4-cyl, 3.8L 6-cyl, 3.1L 6-cyl, 2.8L 6-cyl engines; the most efficient version is the 2013 (up to 29 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Buick Regal fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2020 22–26 MPG 2.0L 4-cyl, 3.6L 6-cyl
2019 22–26 MPG 2.0L 4-cyl, 3.6L 6-cyl $16,988 14 listings
2018 22–26 MPG 2.0L 4-cyl, 3.6L 6-cyl $21,423 6 listings
2017 22–24 MPG 2.0L 4-cyl, 2.4L 4-cyl $12,595 62 listings
2016 22–28 MPG 2.4L 4-cyl, 2.0L 4-cyl $11,900 109 listings
2015 22–28 MPG 2.4L 4-cyl, 2.0L 4-cyl $10,999 98 listings
2014 22–28 MPG 2.4L 4-cyl, 2.0L 4-cyl
2013 22–29 MPG 2.4L 4-cyl, 2.0L 4-cyl
2012 22–28 MPG 2.4L 4-cyl, 2.0L 4-cyl
2011 21–24 MPG 2.0L 4-cyl, 2.4L 4-cyl
2004 20–21 MPG 3.8L 6-cyl
2003 19–20 MPG 3.8L 6-cyl
2002 19–20 MPG 3.8L 6-cyl
2001 20–21 MPG 3.8L 6-cyl
2000 19–21 MPG 3.8L 6-cyl
1999 19–21 MPG 3.8L 6-cyl
1998 19–21 MPG 3.8L 6-cyl
1997 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl
1996 21 MPG 3.8L 6-cyl, 3.1L 6-cyl
1995 20 MPG 3.1L 6-cyl, 3.8L 6-cyl
1994 20 MPG 3.8L 6-cyl, 3.1L 6-cyl
1993 20 MPG 3.1L 6-cyl, 3.8L 6-cyl
1992 19–20 MPG 3.1L 6-cyl, 3.8L 6-cyl
1991 20 MPG 3.1L 6-cyl, 3.8L 6-cyl
1990 19–20 MPG 3.1L 6-cyl, 3.8L 6-cyl
1989 20–21 MPG 2.8L 6-cyl, 3.1L 6-cyl
1988 21 MPG 2.8L 6-cyl
1987 18–19 MPG 3.8L 6-cyl, 5.0L 8-cyl
1986 17–19 MPG 5.0L 8-cyl, 3.8L 6-cyl
1985 18–23 MPG 4.3L 6-cyl, 5.7L 8-cyl, 3.8L 6-cyl
1984 16–23 MPG 4.3L 6-cyl, 5.7L 8-cyl, 3.8L 6-cyl, 4.1L 6-cyl

2020 Buick Regal: engines & MPG

The 2020 Regal was EPA-rated in 3 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 26 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.0L 4-cyl Automatic (S9) Premium 22 32 26 MPG
Regal AWD 2.0L 4-cyl Automatic (S8) Premium 21 29 24 MPG
Regal AWD 3.6L 6-cyl Automatic (S9) Regular 19 27 22 MPG

2019 Buick Regal: engines & MPG

The 2019 Regal was EPA-rated in 3 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 26 MPG. Used 2019 models currently list for a median of $16,988 on VehiSales (14 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.0L 4-cyl Automatic (S9) Premium 22 32 26 MPG
Regal AWD 2.0L 4-cyl Automatic (S8) Premium 21 29 24 MPG
Regal AWD 3.6L 6-cyl Automatic (S9) Regular 19 27 22 MPG

2018 Buick Regal: engines & MPG

The 2018 Regal was EPA-rated in 3 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 26 MPG. Used 2018 models currently list for a median of $21,423 on VehiSales (6 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.0L 4-cyl Automatic (S9) Premium 22 32 26 MPG
Regal AWD 2.0L 4-cyl Automatic (S8) Premium 21 29 24 MPG
Regal AWD 3.6L 6-cyl Automatic (S9) Regular 19 27 22 MPG

2017 Buick Regal: engines & MPG

The 2017 Regal was EPA-rated in 3 versions (2.0L 4-cyl, 2.4L 4-cyl), with combined economy from 22 to 24 MPG. Used 2017 models currently list for a median of $12,595 on VehiSales (62 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.0L 4-cyl Automatic (S6) Premium 21 29 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal AWD 2.0L 4-cyl Automatic (S6) Premium 19 27 22 MPG

2016 Buick Regal: engines & MPG

The 2016 Regal was EPA-rated in 5 versions (2.4L 4-cyl, 2.0L 4-cyl), with combined economy from 22 to 28 MPG. Used 2016 models currently list for a median of $11,900 on VehiSales (109 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (S6) Regular 24 35 28 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 20 30 24 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 21 29 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2015 Buick Regal: engines & MPG

The 2015 Regal was EPA-rated in 5 versions (2.4L 4-cyl, 2.0L 4-cyl), with combined economy from 22 to 28 MPG. Used 2015 models currently list for a median of $10,999 on VehiSales (98 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (S6) Regular 24 35 28 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 21 29 24 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 20 31 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2014 Buick Regal: engines & MPG

The 2014 Regal was EPA-rated in 5 versions (2.4L 4-cyl, 2.0L 4-cyl), with combined economy from 22 to 28 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (S6) Regular 24 35 28 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 21 29 24 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 20 31 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2013 Buick Regal: engines & MPG

The 2013 Regal was EPA-rated in 6 versions (2.4L 4-cyl, 2.0L 4-cyl), with combined economy from 22 to 29 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (S6) Regular 25 36 29 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 20 31 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 18 28 22 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 19 26 22 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 19 27 22 MPG

2012 Buick Regal: engines & MPG

The 2012 Regal was EPA-rated in 7 versions (2.4L 4-cyl, 2.0L 4-cyl), with combined economy from 22 to 28 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (AV-S6) Regular 24 35 28 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 20 31 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 18 28 22 MPG
Regal 2.0L 4-cyl Manual 6-spd Regular 19 26 22 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 19 26 22 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 18 29 22 MPG

2011 Buick Regal: engines & MPG

The 2011 Regal was EPA-rated in 3 versions (2.0L 4-cyl, 2.4L 4-cyl), with combined economy from 21 to 24 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.0L 4-cyl Manual 6-spd Regular 20 31 24 MPG
Regal 2.4L 4-cyl Automatic (S6) Regular 19 30 23 MPG
Regal 2.0L 4-cyl Automatic (S6) Regular 18 28 21 MPG

2004 Buick Regal: engines & MPG

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

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.8L 6-cyl Automatic 4-spd Regular 18 28 21 MPG
Regal 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG

2003 Buick Regal: engines & MPG

The 2003 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

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

2002 Buick Regal: engines & MPG

The 2002 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 20 MPG.

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

2001 Buick Regal: engines & MPG

The 2001 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 28 21 MPG
Regal 3.8L 6-cyl Automatic 4-spd Premium 16 26 20 MPG

2000 Buick Regal: engines & MPG

The 2000 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

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

1999 Buick Regal: engines & MPG

The 1999 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

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

1998 Buick Regal: engines & MPG

The 1998 Regal was EPA-rated in 2 versions (3.8L 6-cyl), with combined economy from 19 to 21 MPG.

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

1997 Buick Regal: engines & MPG

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

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

1996 Buick Regal: engines & MPG

The 1996 Regal was EPA-rated in 2 versions (3.8L 6-cyl, 3.1L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 27 21 MPG
Regal 3.1L 6-cyl Automatic 4-spd Regular 18 26 21 MPG

1995 Buick Regal: engines & MPG

The 1995 Regal was EPA-rated in 2 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1994 Buick Regal: engines & MPG

The 1994 Regal was EPA-rated in 2 versions (3.8L 6-cyl, 3.1L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1993 Buick Regal: engines & MPG

The 1993 Regal was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Regal 3.1L 6-cyl Automatic 3-spd Regular 17 25 20 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1992 Buick Regal: engines & MPG

The 1992 Regal was EPA-rated in 3 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 26 20 MPG
Regal 3.1L 6-cyl Automatic 3-spd Regular 17 24 20 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 16 26 19 MPG

1991 Buick Regal: engines & MPG

The 1991 Regal was EPA-rated in 2 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy of 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 28 20 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 17 26 20 MPG

1990 Buick Regal: engines & MPG

The 1990 Regal was EPA-rated in 2 versions (3.1L 6-cyl, 3.8L 6-cyl), with combined economy from 19 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 27 20 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 16 26 19 MPG

1989 Buick Regal: engines & MPG

The 1989 Regal was EPA-rated in 2 versions (2.8L 6-cyl, 3.1L 6-cyl), with combined economy from 20 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.8L 6-cyl Automatic 4-spd Regular 18 27 21 MPG
Regal 3.1L 6-cyl Automatic 4-spd Regular 17 28 20 MPG

1988 Buick Regal: engines & MPG

The 1988 Regal was EPA-rated in 1 version (2.8L 6-cyl), with combined economy of 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 2.8L 6-cyl Automatic 4-spd Regular 18 26 21 MPG

1987 Buick Regal: engines & MPG

The 1987 Regal was EPA-rated in 4 versions (3.8L 6-cyl, 5.0L 8-cyl), with combined economy from 18 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Regal 5.0L 8-cyl Automatic 3-spd Regular 15 21 18 MPG
Regal 5.0L 8-cyl Automatic 4-spd Regular 16 23 18 MPG
Regal 3.8L 6-cyl Automatic 4-spd Premium 15 23 18 MPG

1986 Buick Regal: engines & MPG

The 1986 Regal was EPA-rated in 4 versions (5.0L 8-cyl, 3.8L 6-cyl), with combined economy from 17 to 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 5.0L 8-cyl Automatic 4-spd Regular 16 23 19 MPG
Regal 3.8L 6-cyl Automatic 4-spd Premium 15 22 18 MPG
Regal 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Regal 5.0L 8-cyl Automatic 3-spd Regular 15 21 17 MPG

1985 Buick Regal: engines & MPG

The 1985 Regal was EPA-rated in 7 versions (4.3L 6-cyl, 5.7L 8-cyl, 3.8L 6-cyl), with combined economy from 18 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 4.3L 6-cyl Automatic 3-spd Diesel 20 29 23 MPG
Regal 5.7L 8-cyl Automatic 3-spd Diesel 18 26 21 MPG
Regal 4.3L 6-cyl Automatic 4-spd Regular 16 24 19 MPG
Regal 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Regal 3.8L 6-cyl Automatic 4-spd Premium 15 22 18 MPG
Regal 4.3L 6-cyl Automatic 3-spd Regular 16 21 18 MPG
Regal 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG

1984 Buick Regal: engines & MPG

The 1984 Regal was EPA-rated in 8 versions (4.3L 6-cyl, 5.7L 8-cyl, 3.8L 6-cyl, 4.1L 6-cyl), with combined economy from 16 to 23 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal 4.3L 6-cyl Automatic 4-spd Diesel 20 29 23 MPG
Regal 4.3L 6-cyl Automatic 4-spd Diesel 19 29 22 MPG
Regal 5.7L 8-cyl Automatic 4-spd Diesel 18 27 21 MPG
Regal 3.8L 6-cyl Automatic 3-spd Regular 17 22 19 MPG
Regal 3.8L 6-cyl Automatic 3-spd Regular 16 22 18 MPG
Regal 4.1L 6-cyl Automatic 4-spd Regular 15 20 17 MPG
Regal 4.1L 6-cyl Automatic 4-spd Regular 15 21 17 MPG
Regal 3.8L 6-cyl Automatic 4-spd Regular 14 20 16 MPG

Frequently asked questions

What MPG does a Buick Regal get?

Depending on year and engine, EPA combined ratings for the Regal range from 19 to 29 MPG. The most efficient rated version is the 2013 model year.

What engines does the 2020 Buick Regal have?

The 2020 Regal was EPA-rated with 2.0L 4-cyl, 3.6L 6-cyl engines — see the 2020 table above for each version's exact city/highway figures.

Does the Buick Regal require premium gas?

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

Is there a hybrid or electric Regal?

Yes — the ratings above include hybrid versions; look for them in the per-year tables.

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, Buick Regal EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/buick/regal.

Fuel economy of other models

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

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