Buick · Midsize cars · Gasoline
Buick Regal: MPG and annual fuel cost, 2020
The Buick Regal was last rated in the data for model year 2020, at 26 MPG combined, 8th of 12 midsize cars, in the lower half.
- 26MPG combined8th of 12 in class
- $3,150a year in fuel9th of 12 in class
- 343g/mile CO2
Where it stands
Compared only with the gasoline models of its class it is 2nd of 6 gasoline midsize cars, in the top quarter, ahead of 80% of the others. The median of that narrower group is 23.5 MPG, against 27.5 MPG for all midsize cars together.
Across every class it is 11th of 39 gasoline models, in the upper half, ahead of 74% of the others.
In its class, just ahead of it is the Ford Fusion at 27 MPG and just behind it is the Lincoln MKZ at 24 MPG.
Fuel cost and CO2
The file prices the fuel for its most efficient version at about $3,150 a year, assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon. That is $500 more than the midsize cars median of $2,650, which makes it 9th of 12 midsize cars, in the lower half.
It emits 343 g of CO2 per mile from the tailpipe; the midsize cars median is 321.5, a difference of 22 g/mile.
Rated versions
In the city the most efficient version is rated 22 and on the highway 32, 10 better on the open road. 4 versions are rated for 2020. The most efficient, Regal: 2.0 L, 4 cyl, Automatic (S9), FWD, gets 26 MPG; the least efficient listed, Regal AWD: 3.6 L, 6 cyl, Automatic (S9), AWD, gets 22 MPG, a gap of 4 MPG.
| Version | Combined MPG | City MPG | Highway MPG | Annual fuel cost | CO2 g/mile |
|---|---|---|---|---|---|
| Regal: 2.0 L, 4 cyl, Automatic (S9), FWD | 26 | 22 | 32 | $3,150 | 343 |
| Regal AWD: 2.0 L, 4 cyl, Automatic (S8), AWD | 24 | 21 | 29 | $3,400 | 365 |
| Regal TourX AWD: 2.0 L, 4 cyl, Automatic (S8), AWD | 24 | 21 | 29 | $3,400 | 365 |
| Regal AWD: 3.6 L, 6 cyl, Automatic (S9), AWD | 22 | 19 | 27 | $3,050 | 411 |
Year by year
The Buick Regal is in the data for 2 of the 8 model years from 2019 to 2026. Its best combined rating is 26 MPG in both 2019 and 2020.
| Model year | Versions | Best MPG | Lowest MPG | Fuel cost | CO2 g/mi | Class median |
|---|---|---|---|---|---|---|
| 2020 | 4 | 26 | 22 | $3,150 | 343 | 28 |
| 2019 | 4 | 26 | 22 | $3,150 | 345 | 29 |
Similar models
| Model | Powertrain | Combined MPG | Annual fuel cost | Model year |
|---|---|---|---|---|
| Ford Fusion | Gasoline | 27 | $2,500 | 2020 |
| Acura RLX Hybrid | Hybrid | 28 | $2,950 | 2020 |
| Lexus GS | Gasoline | 23 | $3,550 | 2020 |
| Bentley Mulsanne | Gasoline | 12 | $6,850 | 2020 |
| Kia Optima Plug-in hybrid | Plug-in hybrid | 41 | $1,650 | 2020 |
Compare and rank
Rankings: Midsize cars.
Data: US EPA and DOE, as prepared in methods and data.