| 2018 Buick Regal Sportback Base 4 Cyl 2.0L |
| 2018 Buick Regal Sportback Essence 4 Cyl 2.0L |
| 2018 Buick Regal Sportback GS 6 Cyl 3.6L |
| 2018 Buick Regal Sportback Preferred 4 Cyl 2.0L |
| 2018 Buick Regal Sportback Preferred II 4 Cyl 2.0L |
| 2018 Buick Regal TourX Base 4 Cyl 2.0L |
| 2018 Buick Regal TourX Essence 4 Cyl 2.0L |
| 2018 Buick Regal TourX Preferred 4 Cyl 2.0L |