- Newest year: 2020
- Gas
- Midsize cars
2018-2020 Buick Regal MPG & Fuel Cost
3 model years · 22–26 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 midsize car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.
2018-2020 Buick Regal at a glance
The 2018-2020 Buick Regal covers 3 model years in the EPA database (12 configurations in all), rated 22–26 MPG combined. The newest model year, 2020, costs about $3,100 a year to fuel for its most efficient version, the Regal 2.0L 4-cyl turbo FWD (26 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2019 and 2020.
2018-2020 Buick Regal by model year
What the 2020 Regal 2.0L 4-cyl turbo FWD costs to drive
Per month
$258
$3,100 a year ÷ 12
Per 25 miles
$5.17
Per 100 miles
$20.67
Five years
$15,500
5 × the yearly cost, prices held at today's level
vs the midsize car median
$280more a year
Class median $2,820 a year, MY2020
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Buick Regal MPG
Versus 2019: The most efficient configuration stays at 26 MPG. Its annual cost goes from $3,120 to $3,100, $20 less.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Regal 2.0L 4-cyl turbo FWD (Most efficient) | 2.0L 4-cyl turbo | FWD | 22 | 32 | 26 | $3,100 |
| Regal 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,300 |
| TourX | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,300 |
| Regal 3.6L 6-cyl | 3.6L 6-cyl | AWD | 19 | 27 | 22 | $3,020 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2019 Buick Regal MPG
22–26 MPG · $2,970–$3,300/yr
Versus 2018: The most efficient configuration stays at 26 MPG. Its annual cost goes from $3,110 to $3,120, $10 more.
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Regal 2.0L 4-cyl turbo FWD (Most efficient) | 2.0L 4-cyl turbo | FWD | 22 | 32 | 26 | $3,120 |
| Regal 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,300 |
| TourX | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,300 |
| Regal 3.6L 6-cyl | 3.6L 6-cyl | AWD | 19 | 27 | 22 | $2,970 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Buick Regal MPG
22–26 MPG · $2,970–$3,310/yr
Gas configurations (4)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Regal 2.0L 4-cyl turbo FWD (Most efficient) | 2.0L 4-cyl turbo | FWD | 22 | 32 | 26 | $3,110 |
| Regal 2.0L 4-cyl turbo AWD | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,310 |
| TourX | 2.0L 4-cyl turbo | AWD | 21 | 29 | 24 | $3,310 |
| Regal 3.6L 6-cyl | 3.6L 6-cyl | AWD | 19 | 27 | 22 | $2,970 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Regal 2.0L 4-cyl turbo FWD: $3,700 in California and $2,690 in Texas, a $1,010 difference.
- California $3,700
- Washington $3,480
- New York $3,060
- Florida $2,830
- Texas $2,690
Similar cars
Closest combined MPG among MY2020 midsize car models.
Generations
- 2000-2004 (4th gen)
- 2011-2016
- 2017
- 2018-2020 (6th gen)
Frequently asked questions
What gas mileage does the 2018-2020 Buick Regal get?
EPA rates the 2018-2020 Buick Regal at 22–26 MPG combined across 12 configurations and 3 model years. The most efficient version, the 2020 Regal 2.0L 4-cyl turbo FWD, is rated 26 MPG (22 city, 32 highway).
Which years had the best MPG in the 2018-2020 Buick Regal?
Every model year of the 2018-2020 Buick Regal tops out at 26 MPG combined, so no year is better than another.
Did EPA ratings change during the 2018-2020 Buick Regal?
Yes. Ratings changed in 2019 and 2020.
How does the 2018-2020 Buick Regal compare with the previous generation?
The previous generation (2017 Buick Regal) is rated 22–24 MPG combined and costs $2,830–$3,640 a year to fuel; the 2018-2020 model is rated 22–26 MPG and costs $2,970–$3,310 a year.
How much does it cost to fuel a 2020 Buick Regal per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Regal 2.0L 4-cyl turbo FWD costs about $3,100 a year. Across all 4 configurations the cost runs $3,020–$3,300 a year. That is a $280 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2020 Buick Regal 100 miles?
About $20.67 per 100 miles for the Regal 2.0L 4-cyl turbo FWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $20.13 and $22.00 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2020 Buick Regal more efficient in the city or on the highway?
The Regal 2.0L 4-cyl turbo FWD is rated 22 city and 32 highway MPG, so it is more efficient on the highway, by 10 MPG.
How does the 2020 Buick Regal compare with other midsize car configurations?
The Regal 2.0L 4-cyl turbo FWD costs about $3,100 a year to fuel, $280 more than the class median of $2,820, and less than 4 of 10 midsize car configurations. The comparison covers all 159 rated midsize car configurations for MY2020, not weighted by sales.
Is the 2020 Buick Regal different from the 2019 model?
The most efficient configuration stays at 26 MPG. Its annual cost goes from $3,120 to $3,100, $20 less. EPA lists 4 configurations for 2020 against 4 configurations for 2019. See the 2019 Buick Regal for that year.