2019 Cadillac CT6
4 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| CT6 | 24 | 34 | 28 | Premium Gasoline | Rear-Wheel Drive | 2L 4-cyl Turbo | Automatic (S10) |
| CT6 AWD | 18 | 27 | 21 | Regular Gasoline | All-Wheel Drive | 3.6L 6-cyl | Automatic (S10) |
| CT6 AWD | 14 | 25 | 17 | Premium Gasoline | All-Wheel Drive | 4.2L 8-cyl Turbo | Automatic (S10) |
| CT6 AWD | 18 | 26 | 21 | Premium Gasoline | All-Wheel Drive | 3L 6-cyl Turbo | Automatic (S10) |