Buick Regal MPG and Fuel Economy
Buick have been manufacturing models of Regal for 30 years, with the latest vehicle in 2020 having a combined MPG of 26.
The estimated fuel cost for the 2020 Buick Regal is $2,850 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $2,750 more on fuel driving a 2020 Buick Regal.
🛢 The Buick Regal will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Buick Regal will emit 343 grams of CO2, which is about 5,145,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 245 trees would be needed to offset emissions from the Buick Regal.
The table below is a complete list of the 30 Buick Regal fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2020 Buick Regal | 26 | $2,850 |
| 2019 Buick Regal | 26 | $2,850 |
| 2018 Buick Regal | 26 | $2,850 |
| 2017 Buick Regal | 24 | $3,100 |
| 2016 Buick Regal | 24 | $2,600 |
| 2015 Buick Regal | 24 | $2,600 |
| 2014 Buick Regal | 24 | $2,600 |
| 2013 Buick Regal | 22 | $2,850 |
| 2012 Buick Regal | 22 | $2,850 |
| 2011 Buick Regal | 23 | $2,700 |
| 2004 Buick Regal | 21 | $3,000 |
| 2003 Buick Regal | 19 | $3,900 |
| 2002 Buick Regal | 19 | $3,900 |
| 2001 Buick Regal | 21 | $3,000 |
| 2000 Buick Regal | 21 | $3,000 |
| 1999 Buick Regal | 21 | $3,000 |
| 1998 Buick Regal | 21 | $3,000 |
| 1996 Buick Regal | 21 | $3,000 |
| 1995 Buick Regal | 20 | $3,150 |
| 1994 Buick Regal | 20 | $3,150 |
| 1993 Buick Regal | 20 | $3,150 |
| 1992 Buick Regal | 20 | $3,150 |
| 1991 Buick Regal | 20 | $3,150 |
| 1990 Buick Regal | 20 | $3,150 |
| 1989 Buick Regal | 21 | $3,000 |
| 1988 Buick Regal | 21 | $3,000 |
| 1987 Buick Regal | 19 | $3,300 |
| 1986 Buick Regal | 18 | $3,500 |
| 1985 Buick Regal | 18 | $3,500 |
| 1984 Buick Regal | 19 | $3,300 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/buick/regal">Buick Regal MPG and Fuel Economy</a>
"Buick Regal MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/buick/regal.
"Buick Regal MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/buick/regal. Accessed January 3, 2026.
Buick Regal MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/buick/regal.