- Gas
- Midsize cars
- MY2000–2020
Buick Regal MPG & Fuel Cost by Year
15 model years · 2000–2020
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Buick Regal fuel economy at a glance
EPA has rated the Buick Regal for 15 model years, 2000 to 2020. Across those years its combined rating runs 19–29 MPG. The latest model year, 2020, has 4 configurations rated 22–26 MPG combined and costing $3,020–$3,300 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2013 eAssist 2.4L 4-cyl FWD, at 29 MPG. EPA ratings go back to 1984: the earliest rating on this page is 23 MPG in 1984.
Buick Regal MPG by year
| Year | Gas (MPG) | Hybrid (MPG) | $/yr |
|---|---|---|---|
| 2018-2020 (6th gen) Generation page | |||
| 2020 | 22–26 | — | $3,020–$3,300 |
| 2019 | 22–26 | — | $2,970–$3,300 |
| 2018 | 22–26 | — | $2,970–$3,310 |
| 2017 Generation page | |||
| 2017 | 22–24 | — | $2,830–$3,640 |
| 2011-2016 Generation page | |||
| 2016 | 22–24 | 28 | $2,310–$2,990 |
| 2015 | 22–24 | 28 | $2,310–$2,990 |
| 2014 | 22–24 | 28 | $2,310–$2,990 |
| 2013 | 22–24 | 29 | $2,280–$3,020 |
| 2012 | 22–24 | 28 | $2,320–$3,030 |
| 2011 | 21–24 | — | $2,760–$3,040 |
| 2000-2004 (4th gen) Generation page | |||
| 2004 | 20–21 | — | $3,110–$4,020 |
| 2003 | 19–20 | — | $3,270–$4,230 |
| 2002 | 19–20 | — | $3,270–$4,230 |
| 2001 | 20–21 | — | $3,110–$4,020 |
| 2000 | 19–21 | — | $3,110–$4,230 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
Buick Regal generations
4 generations between 2000 and 2020. Open one for the table of every model year and configuration.
2020 powertrain options
Buick Regal MPG history, 1984–1999
| Year | Gas (MPG) | Diesel (MPG) |
|---|---|---|
| 1999 | 19–21 | — |
| 1998 | 19–21 | — |
| 1996 | 21 | — |
| 1995 | 20 | — |
| 1994 | 20 | — |
| 1993 | 20 | — |
| 1992 | 19–20 | — |
| 1991 | 20 | — |
Show 7 more years
| Year | Gas (MPG) | Diesel (MPG) |
|---|---|---|
| 1990 | 19–20 | — |
| 1989 | 20–21 | — |
| 1988 | 21 | — |
| 1987 | 18–19 | — |
| 1986 | 17–19 | — |
| 1985 | 18–19 | 21–23 |
| 1984 | 16–19 | 21–23 |
EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.
More Buick models
Frequently asked questions
What is the Buick Regal's gas mileage by year?
EPA combined ratings for the Buick Regal run 19–29 MPG across model years 2000 to 2020. The latest year, 2020, is rated 22–26 MPG.
Which Buick Regal model year has the best gas mileage?
The 2013 Buick Regal eAssist 2.4L 4-cyl FWD has the highest combined rating since 2000, at 29 MPG.
How much does a Buick Regal cost to fuel per year?
For MY2020, EPA-rated configurations cost $3,020–$3,300 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,100.
Has the Buick Regal's fuel economy improved over time?
Yes. The most efficient configuration moved from 21 MPG in 2000 to 26 MPG in 2020, 5 MPG more. Going back further, the best rating in 1984 was 23 MPG.
Is there a hybrid, plug-in or electric Buick Regal?
Yes. Hybrid versions are rated from 2012 to 2016 (28–29 MPG).
Which Buick Regal model years have the same ratings?
EPA lists identical ratings as the previous year for 2003. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.