Buick Regal MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Buick Regal model year from 1997 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, 3.1L 6-cyl, 3.8L 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 22–24 MPG 2.0L 4-cyl, 3.6L 6-cyl
2019 22–24 MPG 2.0L 4-cyl, 3.6L 6-cyl $16,988 14 listings
2018 22–24 MPG 2.0L 4-cyl, 3.6L 6-cyl $21,423 6 listings
2017 22 MPG 2.0L 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 29 MPG 2.4L 4-cyl
2012 28 MPG 2.4L 4-cyl
1997 19–21 MPG 3.1L 6-cyl, 3.8L 6-cyl

2020 Buick Regal: engines & MPG

The 2020 Regal was EPA-rated in 2 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 24 MPG.

VersionEngineTransmissionFuelCityHwyCombined
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 2 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 24 MPG. Used 2019 models currently list for a median of $16,988 on VehiSales (14 for sale).

VersionEngineTransmissionFuelCityHwyCombined
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 2 versions (2.0L 4-cyl, 3.6L 6-cyl), with combined economy from 22 to 24 MPG. Used 2018 models currently list for a median of $21,423 on VehiSales (6 for sale).

VersionEngineTransmissionFuelCityHwyCombined
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 1 version (2.0L 4-cyl), with combined economy of 22 MPG. Used 2017 models currently list for a median of $12,595 on VehiSales (62 for sale).

VersionEngineTransmissionFuelCityHwyCombined
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 2 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 AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2015 Buick Regal: engines & MPG

The 2015 Regal was EPA-rated in 2 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 AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2014 Buick Regal: engines & MPG

The 2014 Regal was EPA-rated in 2 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 AWD 2.0L 4-cyl Automatic (S6) Regular 19 27 22 MPG

2013 Buick Regal: engines & MPG

The 2013 Regal was EPA-rated in 1 version (2.4L 4-cyl), with combined economy of 29 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (S6) Regular 25 36 29 MPG

2012 Buick Regal: engines & MPG

The 2012 Regal was EPA-rated in 1 version (2.4L 4-cyl), with combined economy of 28 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Regal eAssist 2.4L 4-cyl Automatic (AV-S6) Regular 24 35 28 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

Frequently asked questions

What MPG does a Buick Regal get?

Depending on year and engine, EPA combined ratings for the Regal range from 21 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 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 July 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.

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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