2020 · Midsize Car · Gas
2020 Buick Regal MPG & fuel economy
The 2020 Buick Regal is a midsize car offered in 3 EPA-rated configurations. The most efficient version returns 22 MPG combined (19 city / 27 highway) on regular gasoline. Across the lineup, combined ratings range from 22 to 26 MPG. Efficiency is unchanged from the 2019 model. Among 64 midsize cars rated for 2020, it ranks 40th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,114 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2020 Buick Regal's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 27 | 11.5 | 8.7 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2020 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Regal MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.6L 6-cyl · 9-speed automatic Regal AWD |
Gas | 19 MPG | 27 MPG | 22 MPG | — | $2,114 |
| FWD · 2.0L 4-cyl turbo · 9-speed automatic Regal |
Gas | 22 MPG | 32 MPG | 26 MPG | — | $2,279 |
| AWD · 2.0L 4-cyl turbo · 8-speed automatic Regal AWD |
Gas | 21 MPG | 29 MPG | 24 MPG | — | $2,469 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.6L 6-cyl
- Transmission
- 9-speed automatic
- Drivetrain
- AWD
- Passenger volume
- 98 cu ft
- Cargo volume
- 18 cu ft
- Tailpipe CO₂
- 411 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2020 Buick Regal vs. rivals
Compare the 2020 Regal
With any other car from any year, including other Regal model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2020 Buick Regal?
Up to 22 MPG combined (19 city / 27 highway); ratings range from 22 to 26 MPG depending on configuration.
What fuel does the 2020 Buick Regal use?
Regular gasoline.
What is the fuel average in km/L for the 2020 Buick Regal?
The 2020 Buick Regal's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 11.5 km/L on the highway.
How much does it cost to fuel the 2020 Buick Regal per year?
About $2,114 at 15,000 miles a year with $3.10/gal regular gas, or $14.09 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.