2015 Buick Regal
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Regal | 21 | 29 | 24 | Regular Gasoline | Front-Wheel Drive | 2L 4-cyl Turbo | Automatic (S6) |
| Regal | 19 | 30 | 23 | Regular Gasoline | Front-Wheel Drive | 2.4L 4-cyl | Automatic (S6) |
| Regal | 20 | 31 | 24 | Regular Gasoline | Front-Wheel Drive | 2L 4-cyl Turbo | Manual 6-spd |
| Regal AWD | 19 | 27 | 22 | Regular Gasoline | All-Wheel Drive | 2L 4-cyl Turbo | Automatic (S6) |
| Regal eAssist Hybrid | 24 | 35 | 28 | Regular Gasoline | Front-Wheel Drive | 2.4L 4-cyl | Automatic (S6) |