Buick Regal Specifications & MPG Data
2015–2020 model years25 variantsUp to 28 MPG combined
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →NHTSA Safety Ratings
Safety for every year and trim
View details →Buick Regal Generations
Grouped by year ranges where the engine lineup, drivetrain options, and EPA class stay consistent — a derived approximation of the factory generations, not a manufacturer-published list.
| Years | Variants | Engines | Drive | Class | Best MPG |
|---|---|---|---|---|---|
| 2018–2020 | 12 | 2.0L, 3.6L | All-Wheel Drive, Front-Wheel Drive | Large Cars, Midsize Cars, Small Station Wagons | 26 |
| 2015–2017 | 13 | 2.0L, 2.4L | All-Wheel Drive, Front-Wheel Drive | Midsize Cars | 28 |
Buick Regal — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2020 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2020 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2020 | Auto (S9), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S9) | Front-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2020 | Auto (S9), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S9) | All-Wheel Drive | 19 | 27 | 22 | Regular Gasoline |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2019 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2019 | Auto (S9), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S9) | Front-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2019 | Auto (S9), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S9) | All-Wheel Drive | 19 | 27 | 22 | Regular Gasoline |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2018 | Auto (S8), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S8) | All-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2018 | Auto (S9), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S9) | Front-Wheel Drive | 22 | 32 | 26 | Premium Gasoline |
| 2018 | Auto (S9), 6 cyl, 3.6 L | 6 · 3.6L | Automatic (S9) | All-Wheel Drive | 19 | 27 | 22 | Regular Gasoline |
| 2017 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | Front-Wheel Drive | 21 | 29 | 24 | Premium Gasoline |
| 2017 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | All-Wheel Drive | 19 | 27 | 22 | Premium Gasoline |
| 2017 | Auto (S6), 4 cyl, 2.4 L | 4 · 2.4L | Automatic (S6) | Front-Wheel Drive | 19 | 30 | 23 | Regular Gasoline |
| 2016 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | All-Wheel Drive | 19 | 27 | 22 | Regular Gasoline |
| 2016 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | Front-Wheel Drive | 21 | 29 | 24 | Regular Gasoline |
| 2016 | Auto (S6), 4 cyl, 2.4 L | 4 · 2.4L | Automatic (S6) | Front-Wheel Drive | 19 | 30 | 23 | Regular Gasoline |
| 2016 | Auto (S6), 4 cyl, 2.4 L | 4 · 2.4L | Automatic (S6) | Front-Wheel Drive | 24 | 35 | 28 | Regular Gasoline |
| 2016 | Man 6-spd, 4 cyl, 2.0 L | 4 · 2.0L | Manual 6-spd | Front-Wheel Drive | 20 | 30 | 24 | Regular Gasoline |
| 2015 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | All-Wheel Drive | 19 | 27 | 22 | Regular Gasoline |
| 2015 | Auto (S6), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (S6) | Front-Wheel Drive | 21 | 29 | 24 | Regular Gasoline |
| 2015 | Auto (S6), 4 cyl, 2.4 L | 4 · 2.4L | Automatic (S6) | Front-Wheel Drive | 19 | 30 | 23 | Regular Gasoline |
| 2015 | Auto (S6), 4 cyl, 2.4 L | 4 · 2.4L | Automatic (S6) | Front-Wheel Drive | 24 | 35 | 28 | Regular Gasoline |
| 2015 | Man 6-spd, 4 cyl, 2.0 L | 4 · 2.0L | Manual 6-spd | Front-Wheel Drive | 20 | 31 | 24 | Regular Gasoline |